Radiant floors / Discussions

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

...radiant floor, my answer would be the same either way. Radiant heating systems in homes don’t introduce any fresh air, so you should have some sort of ventila...

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

Is solar air heating for a floor as efficient as solar hydronic?

...floors or hydronic (liquid) radiant floors, at least when they are heated with the same fuel. Meaning – a boiler heating water that is circulated through radian...

Posted by Ryan Johnson Dec. 7, 2020, 9:02 a.m. Delivery: radiant, forced-air and decentralized 2 Responses

Can you leave a Legalett slab in winter in Canada without the heat on?

...radiant system (2" or 4") make a difference? Would it simply be better to go hydronic or electrical instead of the air radiant? Thanks. Each Legalett slab is en...

Posted by Gamog Cladhaire April 29, 2021, 9:06 a.m. Slab on Grade 3 Responses

Is hydronic slab heat appropriate in a super insulated home?

...floors. How did you execute in floor heat on the Kenogami house and keep it from overheating? PS- I don't expect toasty warm floors, just not chilly floors. T...

Posted by Andrew Wright Feb. 3, 2021, 3:26 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What Should You Look For When Buying a Slab on Grade Home?

I'm considering purchasing a 48 yrs. old (1972) bungalow on slab in Bridgewater, Nova Scotia. To date I've only seen the standard real estate photos. I will be...

Posted by Mike Molloy Nov. 6, 2019, 7:29 p.m. Slab on Grade 1 Responses

Which radiant floor heat is best?

...radiant floor heat, the efficiency isn’t affected as much by the delivery system, meaning whether it is an air heated floor, electric mat radiant floor, or liqu...

Posted by tony wolff Dec. 25, 2020, 1:22 p.m. Delivery: radiant, forced-air and decentralized 3 Responses

How do you build an air heated concrete slab?

...floors. I expect this will produce enough heat to keep the house comfortable with out any gas or electric heating. The plan is to prevent the sun entering in th...

Posted by Matt Wisniewski Dec. 27, 2020, 6:27 p.m. Passive solar home design 0 Responses

Should I build a basement or slab on grade?

...radiant heat, but personally I wouldn’t build a slab without it. Radiant floors are an efficient way to heat a home, and even healthier as you aren’t blowing du...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 Responses

Would you recommend Legalett over water radiant floor heat for a backyard studio in Toronto?

I am trying to decide whether to go with a tankless and gas fuelled water heater and water or gel radiant floor heating, or the air system that Legalett uses. ...

Posted by Christine Pountney May 2, 2019, 1:22 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is better for a small slab on grade foundation: water (glycol) or electrical radiant heat?

...radiant floors , which is provided by a company called Legalett that distributes engineered slab on grade raft kits all across North America . As for heating ...

Posted by Mark Dixon July 7, 2020, 2:56 p.m. Delivery: radiant, forced-air and decentralized 3 Responses

What are the options for radiant heat with a slab on grade?

...radiant heating system that is built directly into the slab? Radiant heating is very comfortable , and there are really only minimal differences between the com...

Posted by August Wehrmann Feb. 3, 2019, 6:52 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is the most comfortable heating system for a home?

...Radiant heat (floors or walls) is considered the most comfortable due to the thermal comfort explanation above. But a retrofit heating system replacement may be...

Posted by Catharine Jans Dec. 11, 2017, 11:25 a.m. Heating with electricity 1 Responses

How do you polish a concrete slab to be a finished interior concrete floor?

...floors – Non-toxic silicate sealers for polished concrete floors

Posted by Betsy Lund May 20, 2020, 2:13 a.m. Flooring and stairs 1 Responses

How much insulation should I install underneath my concrete slab in my basement?

...radiant heated slab floor and his heating bills were so ridiculously high that he planned to sacrifice his radiant floor, sacrifice some head room and eat the c...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

Can you install electric wire in floor heat cables and cork flooring?

...floors such as Maple, Birch, Oak, and you can find Cork engineered floors as well. doesn't flooring on top of slab reduce passive solar heat absorbtion?

Posted by C Whitby Aug. 7, 2020, 6:43 p.m. Flooring and stairs 2 Responses

What is the best way to heat an off grid home?

...radiant floors in an off-grid high thermal mass passive solar house I'm building on California's Mendocino coast. I'm leaning toward using an oversized PV solar...

Posted by Michelle Nason Aug. 8, 2018, 1:48 p.m. Off-grid and Net-Zero Housing 3 Responses

Should I replace my geothermal system with a gas boiler?

...radiant infloor heat in the basement and forced air heat on the main floor. I met with the plumber and the heating guys 2 days ago and have been trying to sor...

Posted by Lawrence Brusnyk Oct. 31, 2018, 8:07 p.m. Heat pumps, geothermal and AC 1 Responses

What is the best way to build a slab on grade on bedrock?

I watched your videos with much interest but wasn't sure about the "trench" type perimeter "grade beam" in terms of supporting the house structure, and the fac...

Posted by peter owen Oct. 31, 2019, 3:33 p.m. Slab on Grade 1 Responses