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The Warmest House in the World: PassivDom modulOne

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Yes, according to the Guinness Book of World Records, this PassivDom modulOne is the “warmest house in the world.”

And it’s only 380 sq. ft.! The modulOne is a super cool manufactured structure that comes in three “levels” of completeness: The Autonomous (which is 100% self-sustaining), the Standard (which has all your appliances, fixtures, etc. but needs to be hooked up to exterior power/sewer), and the Module Plus (a finished shell with wiring for electrical and heating, but nothing else).

Enjoy the pictures and the video tour, and be sure to check out all the additional details and pricing below!

Related: The Kasita: An Ultra High-Tech Modular Tiny House

The Warmest House in the World: PassivDom modulOne

Images via PassivDom

Tons of windows on one side of the home.

The couch doubles as your sleeping area. Kitchen in back.

The Autonomous version comes fully-equipped with cabinets.

Here’s a visual rendering of the house in the snow.

Here’s the computer rendering of the basic ModulOne

Here is the other one: The ModulTwo!

Images via PassivDom

Related: Pre-Fab Multi-Use Smart-Modules by Casa-Cubo Brazil

Video: PassivDom modulOne


  • completely ready building for a year-round living
  • mobile construction for an easy transportation on a platform and installing without foundation
  • 100% complete finishing of all internal and external house surfaces
  • 100% ready and working heating, ventilation, air conditioning, water and sewage systems
  • 100% equipped with all necessary furniture and household appliances
  • 100% ready and equipped kitchen
  • 100% ready and equipped bathroom
  • house management system on iPhone and Android
  • remote house video surveillance on iPhone and Android
  • year of a free mobile Internet for all house systems

From PassivDom: 

The 36 sq. m. modulOne module is optimized for easy moving and autonomous operation. The total power supply provided by its solar panels in cloudy winter weather is three times the amount needed for heating the interior with the outside temperature of -20°C (-4°F).

The roof of the module is fully covered with solar panels. We have mounted the cells directly into the roof in order to use every square centimeter of the area and get more solar power.

Three Options: 

  • Autonomous 36 м² The module comes equipped with furniture, all necessary appliances, built-in kitchen, bathroom (toilet, sink, shower), heating and cooling systems, and a smart air ventilation system with oxygen level control. You can manage all systems of your home using your smartphone. Cloud-based video surveillance and alarm system ensure the security of your home. The home is fully autonomous and includes a self-sufficient power system (solar panels, batteries, inverters), independent water supply (water storage, powerful purification system, and independent sewage).
    59,900 € (~$67,142)
  • Standard 36 м² This module comes complete with everything required for a housewarming party on the day of purchase: furniture, appliances, kitchen and cooking utensils, bathroom, shower. The heating and cooling systems as well as the air ventilation with oxygen level control are fully set up and ready to work. All engineering systems can be controlled via the owner’s smartphone. Cloud-based video surveillance and alarm system are included. Requires connection to power line, water supply, and sewerage. 39,990 € (~$44,845)
  • Module plus 36 м² A barebone home with complete interior, functioning electrical wiring built in the walls, heating and ventilation. No engineering systems. Furniture, appliances, bathroom and kitchen are not included. Can be used as an additional unit to add to the main module and increase the total area. Requires connection to power line, water supply, and sewerage (NOT autonomous). 29,900 € (~$33,515)

More questions? Want to purchase one? Check out PassivDom’s FAQ page here.


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Natalie C. McKee

Natalie C. McKee is a contributor for Tiny House Talk and the Tiny House Newsletter. She's a wife, and mama of three little kids. She and her family are homesteaders with sheep, goats, chickens, ducks and quail on their happy little acre.

Latest posts by Natalie C. McKee (see all)

{ 16 comments… add one }
  • Raymond M. Hajewski
    June 1, 2017, 11:22 am

    Please send me a catalog @ W409 Hooper Rd., Palmyra, WI 53156-9733

    • Natalie C. McKee
      June 1, 2017, 2:32 pm

      Hi Raymond — You should get in touch directly with PassivDom via their website 🙂 I included links above.

  • Linda
    June 1, 2017, 4:03 pm

    are these available for purchase in United States?

    • Natalie C. McKee
      June 2, 2017, 12:29 pm

      I think so! Although I don’t know what shipping looks like. You can contact them directly through their website, though, to make sure.

  • Brian
    June 1, 2017, 11:51 pm

    This seems to good to be true.

    • Tyler
      June 2, 2017, 12:44 pm

      Agreed! Hard to believe they managed to pack all those features into such a great looking package for less than many of the 200-300sf THOW’s I’ve seen. I suppose they save by omitting the trailer, and presumably they are banking on economy of scale coming into play. I hope they succeed! I’d very much like one of these as a ski retreat up in the mountains.

  • Hudson
    June 2, 2017, 1:19 pm

    Had to laugh at this one…it has already been 98 degrees here so I don’t want the ‘warmest house in the world’.

    • Alex
      June 2, 2017, 3:23 pm

      I’m in Florida too and I know what you mean! LOL

  • Michael
    June 2, 2017, 7:10 pm

    I like it because it more my style than the traditional ones.
    However, getting in touch with them seems to be difficult.
    I did via their website, got a confirmation but until now no reply.

  • Scott
    June 2, 2017, 8:50 pm

    I usually love all the tiny houses, but, this one? The warmest? I have never seen such a cold-looking house of any size, anywhere, as this one.

    • Natalie C. McKee
      June 5, 2017, 4:28 pm

      They mean warm in a heat sense 🙂

  • Michael L
    June 2, 2017, 9:55 pm

    Amazing what you get for your money with this one! It would be nice to see what the units would cost delivered to the USA.

  • Kim Workman
    June 3, 2017, 11:14 am

    Awesome design but i feel there are some privacy issues. Sunlight is great but i dont think I’d want anyone being able to watch me sleep or change clothes or use the restroom

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