Passive house / Discussions

How do you insulate a basement slab to keep the benefits of thermal mass in a passive solar home?

Will I get the benefit of thermal mass with a foundation where the inside of the foundation stem walls are insulated and the rest of the horizontal part of the foundation is foam insulation mon on the bottom followed by 4" of AB topped with 5" of concrete? From what you describe above, no, your stem walls will not offe...

Posted by Trudy Lynn Oct. 25, 2024 Passive solar home design 1 response

Is hydronic slab heat appropriate in a super insulated home?

...house which was the first LEED V4 in Canada and it also met Passive House performance requirements even though it we didn’t seek certification.  We used the house as a teaching venue and one day when I had a class and the floor heat was not activated, but the air temperature was warm. People were asking if they could p...

Posted by Andrew Wright Feb. 3, 2021 Delivery: radiant, forced-air and decentralized 1 response

What is the best wall design for cold climates?

...house we built in 2015 – LEED Platinum Wall Design Building Science Video This is not the only way or even the best way to build a wall, it is just what we settled on. That house is insulated with Rockwool Mineral wool insulation. Our latest demo house was insulated with dense packed cellulose insulation (recycled news...

Posted by Jeremy Hull Jan. 20, 2021 Concept and design 3 responses

How do you make an airtight house envelope?

...house on Long Island and struggling to find knowledgeable professional to make airtight passive house. Luckily I was around to correct below ground insulation in time before slab was poured, but need to plan better for above the ground. My contractor is planning foam insulation based on HERS measurements followed by ta...

Posted by Valeriy Kraydman Dec. 1, 2020 Air and vapour barriers 1 response

Can these homes be built on screwpiles as an alternative to slab foundations?

...houses etc. Assuming we had engineered plans and the proper load points would it be possible to out one of the prefab homes on the piles? We have many models of prefab modular kit houses that can be seated on foundations, screw piles or slab on grade, so it really depends on the model. Currently we don’t have enough su...

Posted by Mark Pospisil July 28, 2020 Architecture and plan design 1 response

Hello EcoHome I was wondering, do you offer your home kits to Massachusetts?

...passive/net zero home (prefab/modular).   You can see all of our LEED and Passive House ready kit houses on this page here, and yes, they are available in the Eastern US seaboard, how soon are you building? There has been a lot of demand and our manufacturers are booked up until at least next summer. The best way to kn...

Posted by Kimberly Luce July 23, 2020 Architecture and plan design 3 responses

What size of lot is needed for the Eco habitat 1600?

...house sizes per lot to make sure you are allowed to build this house there, and you’d need to make sure you respect the setbacks from adjacent property lines. Some of our kit houses are turn key and delivered complete, but the S1600 LEED Platimum prefab kit house is delivered in panels and parts that are assembled on s...

Posted by Andrew Wallace July 21, 2020 Architecture and plan design 1 response

Are your prefab kit homes available in Central Florida?

...houses available across Canada and the US here There has been a lot of demand for houses and we are currently talking to prefab manufacturing companies across the US to increase distribution, When are you building? We are all booked now but hoping to be able to provide homes by spring 2022. And in terms of making them ...

Posted by Johali Mathews Sept. 6, 2021 Architecture and plan design 1 response

How do you install earth tubes for passive heating and cooling?

...passive solar, I would start here – How to build a passive solar home DIY video series. That covers everything from southern orientation, shading, insulation, how to make a house airtight etc.   

Posted by Nancy Arevalo Aug. 19, 2021 Passive solar home design 7 responses

How can I build a Passive House in Boston on a budget?

...passive house in the directory here, but some of our prefab kit houses are Passive House ready, and they are usually more affordable than site-built houses, so that is a potential option for you. You can see models here –  LEED and Passive House ready prefab kit houses for Canada and the US.  If you see models you like...

Posted by Sharon kuong March 31, 2021 Architecture and plan design 1 response

Can I purchase a prefab Eco Home kit house for land in Ottawa or Edmonton?

...house, what can be done? Etc... Many of our prefab kit houses are LEED ready, meaning the house would pass inspection, so if you meet all the LEED prerequisites for location, site and landscaping  you should be able to get it LEED certified. You can see our models here –  LEED and Passive House ready prefab kit houses ...

Posted by Ismael Rumzan March 29, 2021 Architecture and plan design 1 response

Is the Saltbox Passive House a prefab house? Can we build this in the USA?

...passive house a pre fab house? Can we build this in the USA? The Saltbox Passive House is not one of our kit houses, sorry! But many of our models are, see all our Passive House and LEED ready Prefab modular kit houses for Canada and the US here. 

Posted by jenny barrett March 19, 2021 Architecture and plan design 1 response

Is there a 1200 sq ft Prefab Eco home for Ontario?

...house quote on the bottom of this page, that way when we have more models available you will get a notice and be able to get in the front of the queue - LEED and Passive House ready prefab modular Eco Home kit houses for Canada and the US  There is currently  the S1600 kit house model that is a little bigger than the 1...

Posted by Anne Stevens March 17, 2021 Architecture and plan design 3 responses

How much window area can i have in passive house?

...Passive House targets and performance standards or are you going for certification through a Passive House institution? A Passive House designer will be the one to determine the overall design and how many windows can be accommodated and still meet the performance criteria. This page will be helpful I think –  All you ...

Posted by tony wolff March 4, 2021 Windows and doors 3 responses

How do I find a Passivhaus designer to create a set of plans?

...Passive House designer near you, I would first check on this page here about how to find building professionals. Tips for finding a reliable green home builder We will have an online directory soon but regrettably it isn’t ready yet, so for the moment I would suggest a google search of your area with the words ‘Passive...

Posted by tony wolff Feb. 23, 2021 How to Find Qualified Green Building Professionals 1 response

How do I find a qualified Passive House builder?

...passive house, but struggling to find a local builder excited about changing from his "go to" building style. To find a qualified Passive House builder in your area you could start with this page here which will help you with the vetting process to choose someone.  Find Passive house builder near me Are you looking jus...

Posted by Kyle Burgmeier Feb. 18, 2021 How to Find Qualified Green Building Professionals 1 response

What does it cost to build a passive solar home?

...Passive House will add to the budget for sure, but how much extra depends on your taste in finishing. The factors unrelated to home performance such as the quality of materials for flooring, cabinetry and counters, lighting, etc.. are more a matter of taste that performance, so if you want to keep costs lower so you ca...

Posted by Jen Kryczka Sept. 15, 2022 Architecture and plan design 1 response

Is it worth putting a one foot high window to capture southern solar heat?

...passive heat gain from the sun or are they not high enough? I calculated the angles and have a picture if that helps. Thanks! The size and shape of windows makes a big difference for designing a passive solar home for collecting heat from the sun. A high quality south facing window will be able to collect more heat whe...

Posted by Tristan J Philippe March 4, 2022 Passive solar home design 1 response