Make up air / Discussions

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

...up the envelope as I make improvements. One question I have though is does it make sense to install an HRV in an older leaky home? There are lots of articles ex...

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

How do I insulate my half below grade basement?

...up the warm side of the studs (Studs kept off the wall obviously). Is this a viable solution? Should vents be added to allow full air flow behind the insulati...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

When I use my stove hood I get smoke odours in my home, is that due to negative pressure and how do I fix it?

...make sure your furnace has an outside air intake. If the stove hood is moving 400 CFM or more, it may be necessary to have a make up air supply system installed...

Posted by Anonymous Dec. 11, 2017, 12:37 p.m. Healthy indoor air quality 1 Responses

What is the best way to do wall construction using Charred Cedar Siding?

...Make sure water can drain out the bottom, and allow air to flow freely up from the bottom and out the top. Here is a page that will help you design it on How to...

Posted by Dobie Cheung June 6, 2020, 10:44 p.m. Exterior cladding 1 Responses

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

...up through the centre is troubling. I am fairly confident the air barrier continuity can be maintained but when the stove is not in use it would represent a sig...

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?

...air out as there is no air to replace it, and won't a fire place be a risk to your health for example carbon monoxide poisoning or simply lack of air. will your...

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

How do you add an Air Exchanger to a house with Hot Water Heat?

...air exchanger 2. Provide A/C 3. Add a make-up air 4. Add humidity. It seems I am going to end up with a lot of individual systems whereas if I used forces air a...

Posted by Bob Engelhart June 17, 2020, 10:08 a.m. Ventilation 3 Responses

Can you put hemp insulation in an attic?

...air barrier. If you don’t have a proper air barrier and you are removing all the insulation, then that is really the perfect opportunity to lay one down. Air ...

Posted by Pamella Weatherly-Phillips Aug. 16, 2019, 11:49 a.m. Roof assemblies - renovation 1 Responses

How do you stop wood stove smoke from entering a home?

...airtight home really should have an air exchanger to protect indoor air quality . Don't count on air purifiers to do much about indoor air quality , they aren’t...

Posted by Don Leaver March 24, 2020, 10:49 a.m. Wood stove and biomass heat 4 Responses

Where can I purchase non-toxic interior wall panels near Laval, Quebec?

...uppliers in my area. What do you suggest? If you’re doing basement repairs after a flood, before you start shopping for low VOC wall panels , make sure you don’...

Posted by Louise Goulet Nov. 30, 2019, 1:14 p.m. Basements improvements 1 Responses

Where should I put a vapour retarder?

...make sense to put up one layer of insulation before wrapping with vapour barrier, and then two (or three) more layers outside? Thank you. Where are you located?...

Posted by Jeffrey Connell March 14, 2020, 4:25 p.m. Wall assemblies - new construction 4 Responses

What is the best way to insulate the exterior walls of an older home?

...uple of inches without encroaching, three max... If you have on older home plaster lathe then it is a pretty safe assumption you don't have an incorporated air ...

Posted by Geoff Kavanagh June 30, 2020, 4:01 p.m. Wall assemblies - renovation 1 Responses

What is the best way to insulate a home from the outside?

...make sure that you ‘transfer’ your air barrier to the inside, meaning – if you have a polyethylene membrane on the ceiling as an air and vapour barrier, you nee...

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

Can you install a slab on grade foundation in the Fall and leave it over winter?

...up again in the spring. This may be okay when installing a full basement foundation, but can a slab foundation hold up in the cold new england winters without...

Posted by Matthew Gioia Sept. 21, 2020, 9:15 p.m. Slab on Grade 1 Responses

What is the best way to frame window openings when adding exterior insulation?

...air leaks and preventing water leaks. That means air seals around the exterior of windows and sloping window sills to make sure any water that may infiltrate ca...

Posted by Anwas Qwelten May 30, 2019, 8:16 p.m. Windows and doors 1 Responses

Can you help trouble shoot my Lunos HRV e2 system in my tiny home?

...airs, with one unit blowing in while the other blows out. Exhaust air heats the core, and incoming air is warmed by the core, and in order to make that happen, ...

Posted by L Dingwall May 24, 2018, 11:06 p.m. HRV and ERV 2 Responses

How do you seal up an old fireplace chimney?

...air flow, so again, what you mention would work, but always make sure to create a good air seal. Thanks for you input!

Posted by Gord Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses

What type of wood can be installed on a radiant floor?

...make-up of the finish, heating wood with VOCs increases the rate of off-gassing. To sum all that up, our choice for wood on top of a radiant heat source would b...

Posted by Colleen Blak Dec. 11, 2017, 1:59 p.m. Flooring and stairs 1 Responses