Airtight / Discussions

How do you make an airtight house envelope?

...airtightness levels, you can see a video of it here – How to install air barriers properly to make a house airtight – DIY video As for ERVs, installing a hi...

Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 1 Responses

Is it possible to reconcile installing a wood stove in a airtight, super-insulated house?

...airtightness , air barrier continuity and thermal bridging , but there will always need to be many openings from indoors to out, and if you seal them properly t...

Posted by rick seward Dec. 23, 2018, 2:49 p.m. Wood stove and biomass heat 1 Responses

Can you put a fireplace in a hyper sealed plastic wrapped A rated home?

...airtight a home is the better for performance and durability, but it can pose problems with things like wood stoves or exhaust fans that depressurize the home. ...

Posted by Kerry Forides Sept. 24, 2020, 2:46 a.m. Wood stove and biomass heat 2 Responses

How do you attach exterior siding without affecting the air barrier on a passive house?

...airtight barrier. Thanks, Scott The Zip Sheathing System is an air barrier sheathing when the joints are taped as specified by the manufacturer. There should ...

Posted by Scott Bowker July 16, 2018, 11:07 p.m. Wall assemblies - new construction 3 Responses

Should I get an HRV or an ERV?

...airtight home? If yes....which is the best brand for my climate ??? Whether you are better to have an HRV Heat recovery ventilator or ERV energy recovery vent...

Posted by RUPINDER ARORA March 12, 2021, 10:23 a.m. HRV and ERV 1 Responses

How does a Passive House handle floods?

...airtight house fare in a flood incident, either from inside (burst water tank) or from outside (like New Brunswick’s spring floods)? That’s more of a durabili...

Posted by Wendy Tsao May 7, 2018, 12:46 p.m. Foundations and Basements 1 Responses

Do you need ventilation in a cold storage pantry in a high performance house?

...airtight from the remainder of the basement. My question is regarding ventilation to the room. Most how-to guides describe dual 4 inch vents to the exterior f...

Posted by Brad Sullivan April 12, 2021, 1:13 a.m. Ventilation 1 Responses

Looking for trusted architect in Ottawa

...airtight and high performance. Thanks for your time. testinghere ">

Posted by Danna Lambert July 28, 2021, 7:39 a.m. Architecture and plan design 1 Responses

My door lock keeps freezing to the point I can’t open it, any idea why this would happen?

...airtight house that had a blower door with results near 1 ACH. I am thrilled with it in every way except that on the coldest days and nights my door lock freeze...

Posted by AJ Nov. 13, 2016, 1:15 p.m. Walls and Roofs 2 Responses

Are there auto balancing ERV/HRV system?

...airtight building envelope with more than ample insulation. In doing so, I've discussed installing an energy recovery ventilator with my HVAC contractor. We wil...

Posted by Aldoogie Feb. 15, 2021, 3:56 p.m. HRV and ERV 2 Responses

What are the best Wall and Roof insulation choices and rain screen?

I am doing renovation and addition to the house and trying to make it as airtight as possible. After reading through multiple articles and your responses I was...

Posted by Valeriy Kraydman March 15, 2021, 3:32 p.m. Exterior cladding 0 Responses

What is the best wall design for cold climates?

...airtight building envelope. There is not one perfect wall system we would point you towards, but rather give you some tips on how to determine that yourself. Th...

Posted by Jeremy Hull Jan. 20, 2021, 10:21 a.m. Concept and design 1 Responses

Can we make a well insulated timber frame home?

...airtight as a stick frame house. Depending on the wall assembly and method of insulating you choose, a timber frame house can sometimes be a bit of overkill in ...

Posted by Jeremy Sewall Feb. 18, 2021, 1:47 a.m. Wall assemblies - new construction 1 Responses

Do you have a diagram showing effect of winds on the pressure inside the house?

...airtight your house is. Best regards.

Posted by Bryan Bargen June 8, 2018, 5:20 p.m. Air and vapour barriers 1 Responses

What does it take to get a water heater air-conditioner and heater mini-split?

...airtight, it likely wouldn’t cool your home anywhere near enough to be a viable alternative to a mini split heat pump air conditioner. We used an air source hea...

Posted by Réal Paquin May 28, 2020, 12:44 p.m. Heat pumps, geothermal and AC 1 Responses

What infloor radiant heating would you use in a corewood home design?

...airtightness, and the amount of heat the floor will give off. An 18 wall is pretty thick, but Given the mortar and that wood is about R1 per inch it’s still not...

Posted by John Yoho Feb. 6, 2020, 10:59 p.m. Wall assemblies - new construction 1 Responses

Building a Honka log “pretty good house” planning - thoughts on hvac, ventilation and roof

...airtightness or R value. We would be happy to help but as is there are too many questions in here and it would be difficult to really iron out any of your indiv...

Posted by Klemen Novak June 28, 2020, 1:55 a.m. Planning and Design 1 Responses

Can you spray foam a house from the outside?

...airtight, and that you have a vapor barrier on the inside of the wall assembly. If you're contractor has pitched you the idea then they obiously have a plan o...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses