Radiant floor / Discussions

Does slab on grade need to have in floor heating?

...floor heating? We will just be putting a Woodstove in and don't want in floor heating but I'm concerned with moisture from the slab and having flooring over the...

Posted by Lauren Panzani Nov. 13, 2020, 11:06 a.m. New foundations and slab-on-grade 1 Responses

Can I use a Legalett slab in Florida if I don't want floor heat?

...floors that would work better? A Legalett raft slab has an optional air heated radiant floor , but it is not necessary. They are installed in all climates from ...

Posted by Harry Dickinson March 25, 2021, 10:21 a.m. Slab on Grade 1 Responses

Do I need to insulate under the footings of a frost protected shallow foundation?

Hello, I’m designing a FPSF in Southern Vermont (AFI 2300). I want to fully insulate the radiant slab by including 4″ XPS under the footings but this seems t...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

What should I look for if I want to buy a slab on grade house?

...radiant floor I would personally want to see the utility bills to know what a winters worth of heat would cost. And a last piece of advice - don't be instantl...

Posted by terry northcott March 25, 2019, 11:02 a.m. Slab on Grade 1 Responses

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

...radiant tubing. Thanks for the reply. I noticed this new demo house is 2 stories. Is the Legalett system also supplying radiant air heating for the second story...

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

Can I use a solar thermal water heater to heat my pool in the summer and the floor of the garage that I am going to build?

...radiant floor that we just built for our new demonstration house. it would be easier I think to provide solar heat to an air heated floor than hydronic. Below...

Posted by Bill Loucks Oct. 5, 2019, 9:48 p.m. Solar thermal collectors 2 Responses

How do you build an air heated concrete slab?

...floors. I would like to pull the warm air from the peak of the house and using a fan pump it into a hollow space under the concrete floor. I am hoping by the ti...

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

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

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

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

...radiant floors and have a few questions: What is the cfm on such a system (per loop or run)? What temp is run through the system? Are there any other provider...

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

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

...radiant hydronic tubing in a poured concrete floor that you can feed with heated water from thermal solar panels. If its an already existing greenhouse and you ...

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

Should I use an air source heat pump in a Passive House?

...Radiant floors heated with air tubes Choosing the Best Wood-Burning Stove or Fireplace Heat pumps - what they are and how they work

Posted by Iain cunningham March 27, 2019, 9:31 p.m. Heating and cooling 1 Responses

Slab on Grade for House in Grand Rapids MI - Can I get Prefab form kits & Assistance easily?

...radiant heat system, would be about 1000 square feet. There is only one manufacturer of slab on grade form kits with air heated floors that we know of, the comp...

Posted by Greg Hooks Nov. 20, 2019, 3:35 p.m. Slab on Grade 1 Responses

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

...floor is not insulated and you want to fix that and perhaps install radiant floor heating, I’d be more inclined to do that on top of the existing floor. That of...

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

Can you insulate an existing slab on grade floor?

...floor because it is freezing cold in the Vermont winters. I've never measured it but I'm pretty certain the floor is actually below freezing some days by the sl...

Posted by Patrick Berkeley Dec. 31, 2020, 10:14 p.m. Foundation and basement improvements 5 Responses

How do you finish the exterior of slab on grade?

...radiant floor where most of the heat is provided by solar air heating panels . It is much easier to finish the exterior of an EPS foam foundation kit, all you n...

Posted by Dave Derouin Oct. 18, 2018, 1:45 p.m. Slab on Grade 1 Responses

Should I build a basement or slab on grade?

...flooring for the first floor for additional cost savings. A couple of questions for ylu Mike if you have time. 1) Do you need radiant floor heating for concre...

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