Air heated / Discussions

Why are Legalett air heated floors better than electric mats?

...air heated foundation system better than radiant heat mats which are electric and nothing is wasted heating the air

Posted by tony wolff Dec. 17, 2020, 9:28 p.m. Delivery: radiant, forced-air and decentralized 0 Responses

What is the CFM and operating temperature on air heated radiant floors?

...air heated radiant floors with electric or water coils . The air flow would be between 450-650CFM for each heater (750-1100m3/hr), the large heater is 8 loops b...

Posted by martin skibba Feb. 28, 2021, 11:49 a.m. Delivery: radiant, forced-air and decentralized 5 Responses

How do you build an air heated concrete slab?

...air space and the tile? Does it make a difference if the bulk of the concrete (thermal) mass is below the airspace or between the airspace and the tile? Thanks ...

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

How well does the Legalett air heated floor work when pouring concrete?

...air pockets? What is the thickness of the pipe- sch40 or more like sdr26? How far is top of pipe from top of concrete? Yes, with the Legalett raft slab air-heat...

Posted by Israel Sword March 28, 2020, 6:26 a.m. Slab on Grade 1 Responses

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

...air heated radiant floors is intended for new home construction, though you could raise a house and build a basement with one. So – on the off chance you have...

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

Is there an update on your demo house solar air heater?

...air heated slab foundation to do an analysis of its effectiveness? I'm wondering what the numbers are on using the solar air heated collector to provide supplem...

Posted by dean c Oct. 24, 2020, 2 p.m. Concept and design 1 Responses

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

...air-heated floor, below is a link to an installation video as well as a few other resources on slabs. Legalett Solar Air Heated Slab on Grade installation v...

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

How well do Legalett slab on grades work?

...heated floor). 4) Is there any reason you can think of why the County of Prince Edward would have any issues with issuing a permit for, inspecting, and issuin...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

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

...heated with heating oil, natural gas, and your water heater uses that heated air, your water is also effectively heated with that same fuel. It’s just a conside...

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

Can you do an update on Ecohome’s new demo house?

...heated air generated from the Solar Air Panels is not needed during the summer months to warm the cement floor slab, the heated air is diverted to an air/water ...

Posted by dean c Oct. 16, 2019, 2:04 a.m. Concept and design 1 Responses

Can you preheat ERV inlet air?

...air with a dedicated tube that runs through a heated slab? Similar to a geothermal heat exchanger concept. Yes, you can run what is called a ‘ground loop’ below...

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 2 Responses

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

...heated air system which would collect heat for the fresh air side of the HVR and on the system's interior air flow after the "heat transfer" box. I also would...

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

What is the best wall & insulation combination for Colorado?

...air heated piping, as well as a wood burning stove. Thanks in advance! Most of Colorado has semi-arid climate conditions, and your temperatures aren’t that extr...

Posted by Jacob Johannessen July 2, 2020, 11:13 a.m. Efficient home design 1 Responses

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

...air tubes heated with air solar panels Installing a hydronic radiant floor system in a slab-on-grade floor The air heated floor may be an option worth explo...

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

Are there any updates on the progress of the second demonstration house?

...air-heated floors across Canada and the U.S. since the mid-70s, and even longer in Sweden where the company originated, so there is nothing new there; it's the ...

Posted by dean c April 30, 2019, 7:58 p.m. Solar thermal collectors 2 Responses

Will evacuated thermal solar tubes work for a greenhouse in winter?

...heated water from thermal solar panels. If its an already existing greenhouse and you are looking for heating solutions, you could consider running your heated ...

Posted by Solus Lee Una Feb. 22, 2021, 6:09 p.m. Greenhouses and Sunrooms / Solariums 1 Responses

What is the best heating and cooling system for a slab on grade home?

...air heated floor from Legalett, they provide engineered slab on grade prefab kits with air heated radiant floors . We were really happy with it, and they are av...

Posted by Matthew Gioia July 7, 2020, 11:03 p.m. Heating and cooling 3 Responses

Which radiant floor heat is best?

...air heated floors or electric mats are effectively the same in efficiency. The differences are subtle, but in the case of the air heated floors, the heater is...

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