Existing / Discussions

Could a ductless heat recovery ventilator be used for radon mitigation?

...existing ductwork, however I realize that there is no fresh air coming in or stale being pushed out. Perhaps a plain old air-to-air exchanger that would change ...

Posted by Jim B Feb. 20, 2021, 4:40 p.m. Radon in Homes - Mitigation 1 Responses

Can you replace an old slab foundation with an air heated slab?

Is it possible to retrofit an existing slab built in the 70's; to a modern ecoHome standard? I imagine the house would have to be raised (jacked up) and possib...

Posted by Mike Molloy Nov. 7, 2019, 8:44 p.m. Slab on Grade 1 Responses

What is the best way to insulate my basement?

...existing fiberglass batt insulation back in the cavities over the foam? 3. Leave it as is and insulate the new wall that will be framed in front of existing w...

Posted by Chris Rogers Oct. 27, 2019, 11:23 a.m. Foundation and basement improvements 3 Responses

How do you install radiant floor heating in an old building?

...existing plumbing...how do I put in a slab...without moving the camp ?? I've been thinking of cutting the floor out to pour......if you have any thoughts othe...

Posted by Rob Doda March 19, 2020, 3:21 p.m. Delivery: radiant, forced-air and decentralized 2 Responses

What is the best approach to insulate the floor in a tiny home, built on a trailer?

...existing trailer frame -Southern Ontario, Canada climate -Roxul between all the steel frame and build SIP on top of whole assembly? Anyl help greatly appr...

Posted by Dustin Hartwig May 28, 2020, 4:31 p.m. Tiny house 3 Responses

Which insulation do I use for interior walls of a framed in bunker?

...existing bunker 6 W x 6L x 8H with sump pump (failed) flooded causing mold. Bayfield, WI. It is being cleaned professionally. It is framed in with wooden studs ...

Posted by Dale Klubertanz March 23, 2021, 10:38 a.m. Insulation and soundproofing 1 Responses

How do I best insulate my century home from the inside?

...existing insulation) - wood sheathing - brick veneer (no real airspace to speak of). The interior plaster and lathe is cracked and damaged. The plan is to remov...

Posted by Merner Row Design May 12, 2021, 12:22 p.m. Roof assemblies - renovation 1 Responses

What type of batting insulation is best for kids rooms that are being remodeled?

...existing walls that are now no longer there. We will need to put insulation in and wanted to know the neat kind and from what company that would have the least ...

Posted by HyungMi Kook Oct. 14, 2021, 8:27 a.m. Insulation and soundproofing 1 Responses

What is the best way to insulate a concrete block house?

...existing furring strips for a radiant and moisture barrier. Then stud out the inside and R13 insulation then dry wall. Thoughts? What is your climate zone? Ex...

Posted by kent wardecke Oct. 17, 2020, 11 a.m. Foundation and basement improvements 2 Responses

Do I need a standard 6 mil poly vapor barrier with dense cellulose exterior wall?

...existing wall insulation. I've opened the wall cavity and plan to use a dense pack cellulose to achieve R-14. The exterior wall is plank sheathing with paper wr...

Posted by jeff Chormann May 1, 2020, 9:18 a.m. Air and vapour barriers 2 Responses

How do you make an airtight house envelope?

...existing house on Long Island and struggling to find knowledgeable professional to make airtight passive house. Luckily I was around to correct below ground ins...

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

What's the difference between EPS and GPS insulation?

...existing basement concrete floor, on top of it. I have very limited head room, no more than 5 ft where there is no pipes on the ceiling. GPS insulation is Graph...

Posted by Ronald Tetrault Feb. 3, 2021, 5:22 p.m. Insulation and soundproofing 1 Responses

How to air seal & ventilate a partial gut reno of a 1901 house?

...existing flooring, installed new subfloor with hardwood finish flooring to follow. New insulation and Intello air barrier throughout the underside of the roof a...

Posted by Zach Zill Feb. 7, 2021, 4:33 p.m. Air and vapour barriers 0 Responses

Can a solar thermal air system be coupled to an HRV for heating incoming fresh air?

We set in a new 2 pc modular bungalow on our lot in 2009, it is 28' x 42'. It and has an existing Fantech HRV system to provide fresh air and minimize heat los...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses

Can you spray foam a house from the outside?

...existing insulation in the walls? What are the risks for vapour build up if we have a mix of plaster and lathe in the older parts of the house, with fiberglass ...

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

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

...existing one? Any tips for getting to a unit that's 12' high no place to put a ladder to reach it? (It's above my bed, which is built into the floor and bolted ...

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

What is the best brand for ductless mini-split HVAC system?

...existing gas forced air heating system with electric ductless mini split system as I'm undergoing a remodel of my home and making all appliances electric. 1) Is...

Posted by Babak K July 12, 2020, 11:22 p.m. Heating and cooling 2 Responses

We want to build a solarium in Ontario, what do you think of heating it with a radiant floor and wood stove?

...existing build and if so, can you give me a rough idea of 800 to 1000 sq. Feet. Thx A solarium or sunroom in a cold climate would be a nice addition of living s...

Posted by Deanna Zavattin-Tortolo Feb. 18, 2020, 10:51 p.m. Greenhouses and Sunrooms / Solariums 1 Responses