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  • COMMAIK
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  • The Villa
    • The top floor
    • The upper floor
    • The first floor
    • The cellar
    • The garden
  • Stories from the construction
    • irrigation
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    • Pool and terrace
    • SmartHome
    • The planning
    • The demolition
    • The installation
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    • Restoration and working techniques
    • This and that
  • Videos
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    • Garden kitchen
    • Pool
    • Smart Home
    • Drying
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  • Kroak TB2 diesel parking heater 8kW: Unboxing, test & possible applications

    A man in a black jacket points at the exposed components inside a large portable power station. Beside him is a closed, black KROAK TB2 with its blue handle and control panel. The text "KROAK TB2" appears at the top, highlighting the tb2 model. www.commaik.de

    The KROAK TB2 diesel parking heater is a versatile and efficient diesel heater that is perfect for use in the workshop, when camping or in the garden shed. In this article, I will show you how this mobile heating box impresses with its compact design and simple installation. I also share my experiences on the performance, consumption and control options of the heating box and why the heating case is an ideal all-in-one solution for cold days.

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    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
    X Sense Link Rauchmelder Sicherheit im ganzen Haus www.commaik.de - Network wireless smoke detectors across several floors: How X-Sense Link+ protects your whole house!

    Network wireless smoke detectors across several floors: How X-Sense Link+ protects your whole house!

    21. July 2025
    Modern garden kitchen with a built-in grill, stovetop, drawers, and cabinets against a textured gray concrete look wall. Dark countertops and light concrete floors complete the style. A lantern and small appliances sit on the counter. www.commaik.de

    Designing a garden kitchen with a concrete look: Instructions for robust walls in the outdoor kitchen

    25. October 2024
  • Upgrading the diesel parking heater: Installing a tank extension for the mobile heating box

    A man points at a metal heating box containing machinery and a yellow fluid tank; a large white arrow indicates transferring liquid from a red fuel container into the parking heater. www.commaik.de

    The original parking heater in my mobile heater box was equipped with a small tank, which severely limited the heating time. To solve the problem, I fitted the diesel heater in my aluminum box with a larger fuel tank. In this article, I describe step by step how I installed the new 10-litre tank, optimized the heating box and achieved a constant heat supply for my animal house. I share my experiences, tips and challenges, from planning and installing the tank extractor set to the first successful test

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    A white and gray Anthbot genie robotic lawn mower moves across a green lawn in a residential yard, offering manual control via Bluetooth and directed navigation on demand, with a focus on functionality. Stone buildings and plants frame the background. www.commaik.de

    Anthbot Genie robotic lawnmower in test: Perfect lawn mowing without cables?

    25. April 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
    Lymow One Maehroboter www.commaik.de 047a - Lymow One in test: Robot mower without boundary wire with RTK navigation and chain drive

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

    16. November 2025
  • Installing a mobile diesel parking heater in the garden shed

    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

    In my search for an efficient and self-sufficient heating solution for my garden shed, I decided to build a mobile heating box with a diesel parking heater. My aim was to create a compact, weatherproof and flexible heating box that not only reliably heats my animal house, but can also be used in the camper, motorhome or for other projects. With the 8kW diesel parking heater, I was able to implement a powerful yet economical solution that provides constant heat even at temperatures of -10°C. In this article, I describe how I planned, built and installed the heating box and share my practical experience from the first tests

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    MOVA Z60 Ultra Roller Complete im Test Staerkster Saug Wischroboter www.commaik.de 018 - MOVA Z60 Ultra Roller Complete test: Fully automatic cleaning with AI and hot water

    MOVA Z60 Ultra Roller Complete test: Fully automatic cleaning with AI and hot water

    15. October 2025
    Dreame A1 Pro im Test Kabelloser Maehroboter ohne Begrenzungskabel RTK www.commaik.de 049 - Dreame A1 Pro in test - Cordless robotic lawnmower without boundary wire & RTK

    Dreame A1 Pro in test – Cordless robotic lawnmower without boundary wire & RTK

    24. May 2025
    Partially constructed garden kitchen with unfinished concrete block walls, a wooden roof, and a grill inside. The structure sits in a backyard, surrounded by trees visible in the background. www.commaik.de

    Build your own garden kitchen – solid half-timbered roof with OSB and welded sheeting for the outdoor kitchen

    22. March 2024
  • Build your own mobile heating box: The best DIY solution with an 8kW diesel parking heater

    A heating box containing technical equipment, including a white plastic tank with a blue cap, wiring, and black components, is open on a stand in a workshop with wooden walls. www.commaik.de

    I have built a mobile heating box with an 8kW China Diesel parking heater that can reliably heat animal houses, garden sheds, campers and tents. The heater box had to be compact, weatherproof and mobile, but at the same time offer enough space for the diesel heater, fuel tank and accessories. In this article, I describe how I planned the heating box, installed the diesel heater and finally put the box into operation, and share my building instructions and my experiences as well as practical solutions.

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    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

    Reolink Altas PT Ultra: The powerful 4K battery-powered surveillance camera in a test

    13. October 2024
    A worn, empty concrete pit with rusty beams, exposed pipes, and draining buckets—one orange and one green—sits against stained, aged walls in a dimly lit basement-like area. www.commaik.de

    Draining and waterproofing basements: Effective measures against moisture and flooding

    24. November 2024
    A sprinkler sprays water over a dry, brown patch of lawn in a sunny backyard, illustrating the importance of garden irrigation. A blue shed and green trees provide a lush backdrop. www.commaik.de

    Planning automatic garden irrigation: step-by-step instructions for efficient lawn irrigation

    21. February 2025

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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