{"id":37337,"date":"2026-03-17T07:37:46","date_gmt":"2026-03-17T05:37:46","guid":{"rendered":"https:\/\/commaik.de\/videos\/drying\/installing-a-split-air-conditioning-system-in-the-basement-heating-dehumidifying-in-an-old-building-diy-guide\/"},"modified":"2026-03-17T07:40:34","modified_gmt":"2026-03-17T05:40:34","slug":"installing-a-split-air-conditioning-system-in-the-basement-heating-dehumidifying-in-an-old-building-diy-guide","status":"publish","type":"page","link":"https:\/\/commaik.de\/en\/videos\/drying\/installing-a-split-air-conditioning-system-in-the-basement-heating-dehumidifying-in-an-old-building-diy-guide\/","title":{"rendered":"Installing a split air conditioning system in the basement: Heating &#038; dehumidifying in an old building (DIY guide)"},"content":{"rendered":"<p><iframe hcb-fetch-image-from=\"https:\/\/youtu.be\/0N_5jhes8SY\" title=\"Klimaanlage in der Sauna einbauen? - So steuere ich W\u00e4rme &amp; Feuchtigkeit im Keller\" width=\"960\" height=\"540\" src=\"https:\/\/www.youtube.com\/embed\/0N_5jhes8SY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p data-start=\"256\" data-end=\"486\">In this project, I show how I heat and simultaneously dehumidify my damp cellar (built in 1900) with a split air conditioning system. The aim is to permanently reduce humidity and prevent mold growth.<\/p><div id=\"comma-1561361142\" class=\"comma-inhalt comma-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3563316148321376\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-3563316148321376\" \ndata-ad-slot=\"6867259082\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<p data-start=\"488\" data-end=\"806\">I document the complete installation of the air conditioning system step by step &#8211; from the installation of the indoor unit and the wall breakthrough to the connection of the outdoor unit, the refrigerant lines (Quick-Connect) and the power supply. I also integrate a Shelly 1PM to monitor the power consumption.<\/p>\n<p data-start=\"808\" data-end=\"1014\">The article shows whether a split air conditioning system can be a sensible alternative to conventional heating or a dehumidifier in the basement &#8211; especially in old buildings with damp walls and difficult conditions.<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p><strong>Click here for the detailed entry: <a href=\"https:\/\/commaik.de\" target=\"_blank\" rel=\"noopener\">Article coming soon<\/a><\/strong><\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>Here you can find my playlist with more videos: <a href=\"https:\/\/www.youtube.com\/watch?v=96vAfYJsku4&amp;list=PLPz3dSjkl_ukzPD2crkvdCH1vkJ9674kL&amp;index=16\" target=\"_blank\" rel=\"noopener\">Smarthome<\/a><\/p>\n<p>If you want to see more of me and my projects, feel free to check out my <a href=\"https:\/\/youtube.com\/commaik\" target=\"_blank\" rel=\"noopener\">YouTube channel<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<div class=\"atkp-product-carousel-unit atkp-product-carousel-unit-6aa658c3a04c3  atkp-template-carousel\" id=\"atkp-product-carousel\"  data-uid=\"6aa658c3a04c3\">\r\n    \r\n    <!-- Title of the ad localized according to the marketplace picked from the AalbHeader tag-->\r\n    <div class=\"atkp-pc-wrapper atkp-pc-wrapper-6aa658c3a04c3\">\r\n        <div class=\"atkp-pc-product-container atkp-pc-product-container-6aa658c3a04c3\">\r\n            <ul class=\"atkp-pc-product-list atkp-pc-product-list-6aa658c3a04c3\">\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0832SBF22?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"BACOENG 4-Wege K&auml;ltemittel Manometer Set, Klimaanlagen-Bef&uuml;llger&auml;t mit 1,5 m Schl&auml;uchen &amp; Schnellkupplungen, Kompatibel mit R134A R32 R410A f&uuml;r Kfz- und Haushalts-Klimaanlagen\"> <!--Individual attributes are provided as variable tags as . 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Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/21ZRnAT0ATL._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/21ZRnAT0ATL._SL160_.jpg\" alt=\"Mauerdurchbruch-Set KARFE f&uuml;r K&auml;ltemittelleitung oder Kabelkanal\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B07PGH6MSN?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"Mauerdurchbruch-Set KARFE f&uuml;r K&auml;ltemittelleitung oder Kabelkanal\">\r\n                                    Mauerdurchbruch-Set KARFE f&uuml;r K&auml;ltemittelleitung oder Kabelkanal*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\">&euro; 15.90<\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0F2TN3Q4N?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"KESSER Split Klimaanlage Set Quick Connect  WiFi &amp; App Klimagert mit Heizfunktion &amp; Khlmodus Wandklimaanlage, mit Kupferleitung 9000 BTU 2,6 kW Kltemittel R32 Inkl. Montagematerial\"> <!--Individual attributes are provided as variable tags as . Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51xMS7vPRcL._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/51xMS7vPRcL._SL160_.jpg\" alt=\"KESSER Split Klimaanlage Set Quick Connect  WiFi &amp; App Klimagert mit Heizfunktion &amp; Khlmodus Wandklimaanlage, mit Kupferleitung 9000 BTU 2,6 kW Kltemittel R32 Inkl. Montagematerial\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0F2TN3Q4N?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"KESSER Split Klimaanlage Set Quick Connect  WiFi &amp; App Klimagert mit Heizfunktion &amp; Khlmodus Wandklimaanlage, mit Kupferleitung 9000 BTU 2,6 kW Kltemittel R32 Inkl. Montagematerial\">\r\n                                    KESSER Split Klimaanlage Set Quick Connect  WiFi &amp; App Klimagert mit Heizfunktion &amp; Khlmodus Wandklimaanlage, mit Kupferleitung 9000 BTU 2,6 kW Kltemittel R32 Inkl. Montagematerial*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\"><\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0F7XC611X?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"TCL BreezeIn Split Klimaanlage 12000 BTU (3,4 kW) - Quick Connect Set (5m) - R32 Vorbefllt - Heizen &amp; Khlen - App &amp; Alexa Steuerung\"> <!--Individual attributes are provided as variable tags as . Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/41rgFWxdFHL._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/41rgFWxdFHL._SL160_.jpg\" alt=\"TCL BreezeIn Split Klimaanlage 12000 BTU (3,4 kW) - Quick Connect Set (5m) - R32 Vorbefllt - Heizen &amp; Khlen - App &amp; Alexa Steuerung\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0F7XC611X?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"TCL BreezeIn Split Klimaanlage 12000 BTU (3,4 kW) - Quick Connect Set (5m) - R32 Vorbefllt - Heizen &amp; Khlen - App &amp; Alexa Steuerung\">\r\n                                    TCL BreezeIn Split Klimaanlage 12000 BTU (3,4 kW) - Quick Connect Set (5m) - R32 Vorbefllt - Heizen &amp; Khlen - App &amp; Alexa Steuerung*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\">&euro; 940.10<\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0F1S76WRH?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"BACOENG Vakuumpumpe klimaanlage Set f&uuml;r HVAC\/Auto AC K&auml;ltemittelaufladung, Klimaanlage Auto Bef&uuml;llen Set Ideal f&uuml;r R32,R1234YF,R134A,R410A\"> <!--Individual attributes are provided as variable tags as . Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/41fOXW4RAoL._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/41fOXW4RAoL._SL160_.jpg\" alt=\"BACOENG Vakuumpumpe klimaanlage Set f&uuml;r HVAC\/Auto AC K&auml;ltemittelaufladung, Klimaanlage Auto Bef&uuml;llen Set Ideal f&uuml;r R32,R1234YF,R134A,R410A\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0F1S76WRH?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"BACOENG Vakuumpumpe klimaanlage Set f&uuml;r HVAC\/Auto AC K&auml;ltemittelaufladung, Klimaanlage Auto Bef&uuml;llen Set Ideal f&uuml;r R32,R1234YF,R134A,R410A\">\r\n                                    BACOENG Vakuumpumpe klimaanlage Set f&uuml;r HVAC\/Auto AC K&auml;ltemittelaufladung, Klimaanlage Auto Bef&uuml;llen Set Ideal f&uuml;r R32,R1234YF,R134A,R410A*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\">&euro; 189.99<\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B07KLWW5X3?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"Schwingungsd&auml;mpfer f&uuml;r Klimaanlagen (Konsole Au&szlig;enger&auml;t) 4 St&uuml;ck\"> <!--Individual attributes are provided as variable tags as . Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/41-f4hDhDWL._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/41-f4hDhDWL._SL160_.jpg\" alt=\"Schwingungsd&auml;mpfer f&uuml;r Klimaanlagen (Konsole Au&szlig;enger&auml;t) 4 St&uuml;ck\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B07KLWW5X3?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"Schwingungsd&auml;mpfer f&uuml;r Klimaanlagen (Konsole Au&szlig;enger&auml;t) 4 St&uuml;ck\">\r\n                                    Schwingungsd&auml;mpfer f&uuml;r Klimaanlagen (Konsole Au&szlig;enger&auml;t) 4 St&uuml;ck*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\">&euro; 9.40<\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0D9DVS5LC?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"2x 5m QuickConnect Kupferleitung K&auml;ltemittelleitung Kupferrohr f&uuml;r Split Klima 18000BTU Quick Klimaanlage Klimager&auml;t reines Kupfer (1x 1\/4 Zoll + 1x 3\/8 Zoll)\"> <!--Individual attributes are provided as variable tags as . Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/41-bHP4FbwL._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/41-bHP4FbwL._SL160_.jpg\" alt=\"2x 5m QuickConnect Kupferleitung K&auml;ltemittelleitung Kupferrohr f&uuml;r Split Klima 18000BTU Quick Klimaanlage Klimager&auml;t reines Kupfer (1x 1\/4 Zoll + 1x 3\/8 Zoll)\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0D9DVS5LC?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"2x 5m QuickConnect Kupferleitung K&auml;ltemittelleitung Kupferrohr f&uuml;r Split Klima 18000BTU Quick Klimaanlage Klimager&auml;t reines Kupfer (1x 1\/4 Zoll + 1x 3\/8 Zoll)\">\r\n                                    2x 5m QuickConnect Kupferleitung K&auml;ltemittelleitung Kupferrohr f&uuml;r Split Klima 18000BTU Quick Klimaanlage Klimager&auml;t reines Kupfer (1x 1\/4 Zoll + 1x 3\/8 Zoll)*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\">&euro; 219.90<\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B09TS24GCH?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"Shelly Plus 1 PM 4er Pack\"> <!--Individual attributes are provided as variable tags as . Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51BqtTD308L._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/51BqtTD308L._SL160_.jpg\" alt=\"Shelly Plus 1 PM 4er Pack\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B09TS24GCH?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"Shelly Plus 1 PM 4er Pack\">\r\n                                    Shelly Plus 1 PM 4er Pack*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\">&euro; 56.53<\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0CW8GLDMJ?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"ADHES Korrosionsschutz-Klebeband 50 MM X 33 M, 5 Rollen, Wei&szlig;\"> <!--Individual attributes are provided as variable tags as . Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/41t6CA0kvGL._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/41t6CA0kvGL._SL160_.jpg\" alt=\"ADHES Korrosionsschutz-Klebeband 50 MM X 33 M, 5 Rollen, Wei&szlig;\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0CW8GLDMJ?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"ADHES Korrosionsschutz-Klebeband 50 MM X 33 M, 5 Rollen, Wei&szlig;\">\r\n                                    ADHES Korrosionsschutz-Klebeband 50 MM X 33 M, 5 Rollen, Wei&szlig;*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\"><\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                                    <li class=\"atkp-pc-product atkp-pc-product-6aa658c3a04c3 \">\r\n                        <div class=\"atkp-pc-product-image\">\r\n                            <div class=\"atkp-pc-product-image-wrapper\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0GZH1DRKG?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"KESSER Split Klimaanlage Set Quick Connect  WiFi &amp; App Klimagert mit Heizfunktion &amp; Khlmodus Wandklimaanlage, mit Kupferleitung 18000 BTU 5,3 kW Kltemittel R32 Inkl. Montagematerial\"> <!--Individual attributes are provided as variable tags as . Check documentation for list of supported variable tags.-->\r\n                                    <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51yJlY0w4PL._SL75_.jpg\" srcset=\"https:\/\/m.media-amazon.com\/images\/I\/51yJlY0w4PL._SL160_.jpg\" alt=\"KESSER Split Klimaanlage Set Quick Connect  WiFi &amp; App Klimagert mit Heizfunktion &amp; Khlmodus Wandklimaanlage, mit Kupferleitung 18000 BTU 5,3 kW Kltemittel R32 Inkl. Montagematerial\" title=\"\">\r\n                                                                                                                                                <\/a>\r\n                            <\/div>\r\n                        <\/div>\r\n                        <div class=\"atkp-pc-product-details\">\r\n                            <div class=\"atkp-pc-product-title\">\r\n                                <a href=\"https:\/\/www.amazon.de\/dp\/B0GZH1DRKG?tag=wwwcommaikde-21&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow noopener\" target=\"_blank\" onclick=\"ga(&#039;send&#039;, &#039;event&#039;, &#039;Link (carousel, Amazon commaik-21)&#039;, &#039;click&#039;, &#039; (Split-Klimaanlage im Keller einbauen: Heizen &#038; Entfeuchten im Altbau)&#039;);\" title=\"KESSER Split Klimaanlage Set Quick Connect  WiFi &amp; App Klimagert mit Heizfunktion &amp; Khlmodus Wandklimaanlage, mit Kupferleitung 18000 BTU 5,3 kW Kltemittel R32 Inkl. Montagematerial\">\r\n                                    KESSER Split Klimaanlage Set Quick Connect  WiFi &amp; App Klimagert mit Heizfunktion &amp; Khlmodus Wandklimaanlage, mit Kupferleitung 18000 BTU 5,3 kW Kltemittel R32 Inkl. Montagematerial*\r\n                                <\/a>\r\n                            <\/div>\r\n                                                            <div class=\"atkp-pc-product-offer-price\">\r\n                                    <!-- The section tag for different marketplaces ensures localization of static text.  -->\r\n                                    Price: <span\r\n                                            class=\"atkp-pc-product-offer-price-value\">&euro; 1,049.80<\/span>\r\n                                <\/div>\r\n                                                                                                                    \r\n\r\n                                                    <\/div>\r\n                    <\/li>\r\n\r\n                            <\/ul>\r\n        <\/div>\r\n    <\/div>\r\n    <a href=\"javascript:void(0);\" class=\"atkp-pc-btn-prev atkp-pc-btn-prev-6aa658c3a04c3\">\u2039<\/a>\r\n    <a href=\"javascript:void(0);\" class=\"atkp-pc-btn-next atkp-pc-btn-next-6aa658c3a04c3\">\u203a<\/a>\r\n<\/div>\r\n    <span class=\"atkp-disclaimer atkp-carousel-disclaimer\">Zuletzt aktualisiert am 11. September 2026 um 04:45 . Ich weise darauf hin, dass sich hier angezeigte Preise inzwischen ge\u00e4ndert haben k\u00f6nnen. Alle Angaben ohne Gew\u00e4hr. \r\n\r\n(*) Bei den verwendeten Produktlinks handelt es sich um Affiliate Links. Ich bin nicht der Verk\u00e4ufer des Produktes. Als Amazon-Partner verdiene ich an qualifizierten Verk\u00e4ufen. Dein Preis \u00e4ndert sich jedoch nicht. <\/span>\r\n\r\n\r\n\n<p>&nbsp;<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>\u26a0\ufe0f Installation instructions \u26a0\ufe0f<\/p>\n<p>The refrigerant lines and the electrical power supply may only be connected by qualified personnel. The requirements of the EU F-Gas Regulation and national regulations apply to work on the refrigeration circuit. The electrical connection must also be carried out in accordance with the applicable VDE regulations. Improper installation can lead to damage, safety risks and the loss of warranty claims. This video is not a substitute for professional installation.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"comma-1000694917\" class=\"comma-nach-dem-inhalt comma-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3563316148321376\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-3563316148321376\" \ndata-ad-slot=\"6867259082\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>In this project, I show how I heat and simultaneously dehumidify my damp cellar (built in 1900) with a split air conditioning system. The aim is to permanently reduce humidity and prevent mold growth. I document the complete installation of the air conditioning system step by step &#8211; from the installation of the indoor unit and the wall breakthrough to the connection of the outdoor unit, the refrigerant lines (Quick-Connect) and the power supply. I also integrate a Shelly 1PM to monitor the power consumption. The article shows whether a split air conditioning system can be a sensible alternative to conventional heating or a dehumidifier in the basement &#8211; especially in old buildings with damp walls and difficult conditions. &nbsp; Click here for the detailed entry: Article coming soon &nbsp; Here you can find my playlist with more videos: Smarthome If you want to see more of me and my projects, feel free to check out my YouTube channel. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \u26a0\ufe0f Installation instructions \u26a0\ufe0f The refrigerant lines and the electrical power supply may only be connected by qualified personnel. The requirements of the EU F-Gas Regulation and national regulations apply to work on the refrigeration circuit. The electrical connection must also be carried out in accordance with the applicable VDE regulations. Improper installation can lead to damage, safety risks and the loss of warranty claims. This video is not a substitute for professional installation. &nbsp;<\/p>\n","protected":false},"author":2,"featured_media":37336,"parent":22353,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"cybocfi_hide_featured_image":"","footnotes":""},"class_list":["post-37337","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/pages\/37337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/comments?post=37337"}],"version-history":[{"count":1,"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/pages\/37337\/revisions"}],"predecessor-version":[{"id":37338,"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/pages\/37337\/revisions\/37338"}],"up":[{"embeddable":true,"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/pages\/22353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/media\/37336"}],"wp:attachment":[{"href":"https:\/\/commaik.de\/en\/wp-json\/wp\/v2\/media?parent=37337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}