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  • COMMAIK
    • Contact Form
    • Imprint
    • Privacy
  • The Villa
    • The top floor
    • The upper floor
    • The first floor
    • The cellar
    • The garden
  • Stories from the construction
    • irrigation
    • Photovoltaics
    • Pool and terrace
    • SmartHome
    • The planning
    • The demolition
    • The installation
    • Machinery
    • Restoration and working techniques
    • This and that
  • Videos
    • Build & Renovate
    • Irrigation
    • Carport
    • Gabions
    • Garden
    • Garden kitchen
    • Pool
    • Smart Home
    • Drying
    • Tutorials
  • TESTED & RATED
    • Heating solutions & energy
    • Outdoor & Garten
    • Pool & garden kitchen
    • Security & Smart Home
    • Tools & DIY
  • Commaik Music
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  • Diesel parking heater for animal house, workshop and camper: My test of the Vevor 8kW heater

    A red and black portable parking heater is displayed on a table with its components, including hoses, wires, a remote, clamps, a silver exhaust pipe, a vent, and a small black bottle in a wooden workshop setting. www.commaik.de

    A diesel parking heater provides efficient warmth for the animal house, workshop and camper – especially on icy winter days. My previous electric heating solution quickly reached its limits at temperatures below -15°C, as the photovoltaic island system could not supply enough energy for the fan heater when there was little sunshine. To reduce the high electricity costs and find a reliable solution for heating the animal house, I opted for the mobile Vevor 8kW diesel parking heater. In my test, I show you how this heater works and why it is ideal for keeping your garden shed, car or roof tent warm in winter. Before I integrated the Chinese…

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    A rectangular outdoor swimming pool with clear blue water is surrounded by gray tiled paving and pool edge stones. There is a small palm tree, green grass, and hedges in the background. Some tiling work appears unfinished on one side. www.commaik.de

    Laying pool edging stones and building your own pool terrace for the perfect pool surround

    8. December 2024
    A fire barrel with flames rising from the top stands outdoors on dirt, with stacked firewood neatly arranged in the background. www.commaik.de

    Build your own smoke-free fire barrel: DIY instructions from a 200 L oil drum with secondary ventilation

    17. October 2025
    Partially completed garden kitchen with unfinished wooden cabinets, a dark worktop, an open window, and power tools on the counter. Trees and buildings can be seen outside. www.commaik.de

    Build your own garden kitchen – worktop and jamb for the outdoor kitchen

    20. May 2024
  • Reolink Altas PT Ultra: The powerful 4K battery-powered surveillance camera in a test

    A man points to security camera equipment, featuring a Reolink Altas PT Ultra camera, solar panel, and hub, with a backyard pool and patio area in the background. The Reolink logo is displayed on the left. www.commaik.de

    The Reolink Altas PT Ultra is an impressive surveillance camera that I tested in my latest project. With 4K resolution, ColorX night vision and 360° auto-tracking, it offers powerful functions for outdoor use. In comparison to the Reolink TrackMix PoE and the RLC-1212A, I examined the image quality during the day, at night and at dusk and found interesting differences. In this article, I describe my installation procedure, how the cameras work and which models are particularly suitable for certain areas of application.

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    A Lymow One Plus robotic lawnmower with tank-like tracks sits on green grass, slightly dirty from use, in an outdoor area. www.commaik.de

    Lymow One Plus in test: RTK robot mower for large areas & difficult terrain

    29. March 2026
    Close-up of an ALLPOWERS powerstation with a digital display showing 74% battery, 499W output, and several connected cables and outlets on the front panel. www.commaik.de

    LiFePo4 Powerstation – mobile storage for stand-alone PV systems

    5. January 2024
    A 4K PTZ Reolink security camera monitors a man walking towards a large house at dusk. A digital overlay highlights the camera's facial recognition and zooms in on the man's face with a blue square frame. www.commaik.de

    The best Reolink 4k PTZ surveillance cameras in comparison: 823S2 vs 823S1 vs TrackMix vs TrackFlex in test

    27. February 2026
  • Reolink Home Hub: Central storage & monitoring center

    A man looks thoughtfully at three security cameras, each with arrows pointing toward a white Reolink home hub device on a grey background. www.commaik.de

    The Reolink Home Hub is an innovative surveillance camera storage and management unit that enables easy and efficient management with local storage for up to eight cameras. Especially for users who do not require a complex NVR infrastructure, this home hub offers a compact and powerful alternative. In this article, I will go into detail about the functions, setup, advantages and disadvantages of the Reolink Home Hub.

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    A Napoleon gas barbecue is shown outdoors, with a power cable and a plug on the lid. Large text overlays show: Napoleon PHANTOM, 220V | 110V upgrade, with an arrow pointing to the plug. www.commaik.de

    Convert gas grill Napoleon PHANTOM to external power supply

    14. May 2021
    Two surveillance cameras are shown on the left and a network diagram for installing an IP camera is shown on the right. Below is written: Install Reolink surveillance cameras yourself. www.commaik.de

    Install surveillance cameras yourself – IP camera network explained simply

    16. January 2026
    A black Napoleon Phantom outdoor gas grill with the lid open sits on a wooden deck, revealing metal burners and control knobs, surrounded by tall green shrubs and wooden fencing in the background. www.commaik.de

    Napoleon PHANTOM P500 – Unboxing | Assembly | Burn-in

    28. April 2021
  • Optimize balcony power plant – New modules and 220V battery storage for maximum efficiency

    A person stands on a rooftop with solar panels and a balcony power plant, pointing toward a graphic showing a Zendure SuperBase energy storage unit. A modern house and trees are visible in the background. www.commaik.de

    In this blog post, I describe how I optimized my balcony power plant to maximize self-consumption and reduce dependence on grid power. I have installed new modules, improved the alignment and will integrate a battery storage system that supports bidirectional AC charging. I go into detail about setting up the EasyPower app and integrating the new APSystem EZ1 inverter into my Home Assistant for monitoring, as well as the results achieved and future plans to further increase efficiency. The aim is to maximize the efficiency of my system and make optimum use of the solar power generated.

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    Black pipes on a rooftop pool heating system in the foreground, with a backyard swimming pool, lawn, stone wall, blue shed, and covered seating area in the background on a sunny day. www.commaik.de

    Pool heating with ribbed pipe systems – Build your own solar heating for the pool

    13. April 2025
    A metal heating box with hoses attached sits open next to a building, revealing machinery and a plastic container inside; the box appears to be an outdoor equipment unit or possibly a parking heater. www.commaik.de

    Installing a mobile diesel parking heater in the garden shed

    15. January 2025
    A backyard features a rectangular swimming pool surrounded by a wooden deck, a small covered terrace with a bar, a palm tree, garden beds, a lawn, a greenhouse, and a white house with stone siding. www.commaik.de

    Building a BPC and WPC terrace on a slope – My new pool terrace with recycled boards

    14. May 2025
  • Reolink TrackMix PoE – 4K dual lens surveillance camera review

    A man stands beside images of a backyard with a pool. A Reolink Trackmix PoE security camera is shown on the left, with the Reolink logo at the top right and smart home icons above the garden scene. www.commaik.de

    The Reolink TrackMix PoE is one of the newest and most promising smart 4K surveillance cameras on the market. In my detailed test, I put the camera through its paces to discover its strengths and weaknesses. From the easy installation and impressive image quality to the intelligent tracking options, the Reolink TrackMix PoE offers numerous features that I have tested extensively. Find out in this article how the camera performs in practice and why it could be an excellent choice for monitoring your home.

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    A 4K PTZ Reolink security camera monitors a man walking towards a large house at dusk. A digital overlay highlights the camera's facial recognition and zooms in on the man's face with a blue square frame. www.commaik.de

    The best Reolink 4k PTZ surveillance cameras in comparison: 823S2 vs 823S1 vs TrackMix vs TrackFlex in test

    27. February 2026
    A portable hcalory diesel heating unit sits inside a metal box with an open lid, next to a light gray wooden wall. Various hoses and a fuel tank are visible, along with ventilation pipes extending from the box. www.commaik.de

    Hcalory TB MAX 8 kW diesel heater in a practical test – compact all-in-one heater for camping, workshops and motorhomes

    9. November 2025
    A surveillance control room with six security cameras surrounding a Reolink recording device on a desk, monitors displaying blurred Reolink footage in the background. www.commaik.de

    The best storage solutions for Reolink surveillance cameras: recommendations & experiences

    31. January 2025
  • Reolink Argus 4 Pro review: The wireless surveillance camera with 4K and ColorX technology

    A man stands on the left, fist raised, next to a large Reolink Argus security camera and solar panel. In the background, a modern backyard with a swimming pool is visible, with the Reolink logo in the top right. www.commaik.de

    The Reolink Argus 4 Pro is one of the newest and most advanced surveillance cameras on the market. With its impressive 180° field of view in 4K UHD resolution and innovative ColorX technology, it sets new standards in home and business security. In this blog entry, I will go into detail about the installation and setup of the Reolink Argus 4 Pro surveillance camera, explain its technical specifications and examine the advantages and disadvantages of this camera in a test.   I will also point out possible solutions for any disadvantages and provide information on the various sources of supply. This article will help you better understand the Reolink Argus…

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    An empty, bright blue swimming pool with a smooth pool liner, gray steps in one corner, and a circular drain on the wall. The outdoor pool is surrounded by unfinished ground and scattered greenery. www.commaik.de

    Laying, gluing and welding pool liners correctly

    10. February 2024
    Built-in outdoor kitchen featuring a black gas grill with a sizzling sizzle zone in the center, a side burner on the left, and sleek metal drawers and cabinets below—all set in a stylish wooden and concrete counter. www.commaik.de

    Permanently installing the sizzle zone of the Napoleon gas barbecue in the outdoor garden kitchen

    30. April 2025
    A Lymow One robotic lawnmower with tank-like tracks sits on a well-manicured lawn, surrounded by green grass and some fuzzy bushes in the background. www.commaik.de

    Lymow One in test: Robot mower without boundary wire with RTK navigation and chain drive

    16. November 2025
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Autor & Blogger

In this construction diary, we share our experience in the renovation and modernization of our Art Nouveau villa and hope to give a few suggestions and tips to some of you.

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