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heated concrete floor

rigsboo

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Joined
Oct 27, 2014
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42
as of right now all I have Is gravel down in my garage (concrete is coming!) but im thinking abut heating the floor any ideas how to do this? cheap is the key!
 
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Bondo

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Dec 22, 2007
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2,549
Location
Greenfield, Maine
Ayuh,.... Extruded foam board, pex tubin', 'n steel to tie it all together,....


Ya won't be sorry ya did it right,.... ;)
 

pmilin

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Oct 5, 2012
Messages
193
Location
Colorado
Heating the floor and cheap don't go together. Heating the floor will have a large up front cost. When you say cheap are you talking about operating costs? Search around on here. This topic has been covered a bunch.
 
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rigsboo

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Joined
Oct 27, 2014
Messages
42
well I think I got it...I don't need the whole garage heated I just want under my car (so when im working on it) get 300ft of the pex tube and lay the insulation under it and run it to a tankless water heater you think a 4 gallon per minute would be ok for 300 foot of 3/4? I don't care if it taks a few minutes to warm up as long as it gets warm haha
 

kd3pc

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Aug 10, 2013
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Northern Neck
Heating the floor and cheap don't go together. Heating the floor will have a large up front cost. When you say cheap are you talking about operating costs? Search around on here. This topic has been covered a bunch.

heating the floor will have fairly high - ongoing costs as well. It will cost money to heat the water/solution that circulates in the PEX, once installed - that no matter the fuel, unless you have a natural gas well in your backyard.
 

kd3pc

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Aug 10, 2013
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Northern Neck
not gonna do it..., electric but at 60 amps...and only does a few gallons a minute and only a few degrees delta from tap water temp...

it will be tough to heat only a portion of the slab, as the rest of the slab is going to act as a sink for the heat,

you really need a system, not some disparate pieces. Electric heat of water is pretty slow and quite pricey compared to other fuels.
 
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rigsboo

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Oct 27, 2014
Messages
42
well I thought I was onto something :l what do you recommend? any other ways to do it?
 
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sublime68charger

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Sep 9, 2014
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5,415
Location
SW Wisconsin
Go through the heat and ac part on this site there are a lot of great radiant system set ups shown in there

My garage floor is gravel right now and whèn I get ready for putting in radiant heat I'm going through that with fine tooth comb to learn about radiant systems
 

jaye944

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Nov 26, 2013
Messages
1,077
Location
GTA, Ontario, Canada
sorry to hijack,
but is it doable to have a heated floor, on a drive/walkway?
I'm thinking for winter, stop me having to shovel snow?

the drive way is asphalt?

cheers
 
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rigsboo

Active member
Joined
Oct 27, 2014
Messages
42
sorry to hijack,
but is it doable to have a heated floor, on a drive/walkway?
I'm thinking for winter, stop me having to shovel snow?

the drive way is asphalt?

cheers

theres a older man near the town I live at and he has a heated driveway but hes pretty wealthy and with enough $ anythings possible
 

Bondo

Well-known member
Joined
Dec 22, 2007
Messages
2,549
Location
Greenfield, Maine
sorry to hijack,
but is it doable to have a heated floor, on a drive/walkway?
I'm thinking for winter, stop me having to shovel snow?

the drive way is asphalt?

cheers

Ayuh,.... If yer willin' to replace the driveway, 'n walks with concrete, 'n to shovel money into yer boiler,...

Sure,.... No problem,....
 

mikeyr

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Joined
Sep 16, 2005
Messages
1,971
Location
Santa Barbara, CA
the idea of radiant heat in the garage would be to keep it on. Turning it on once in a while so you can work under the car wont work, the rest of the slab will be one big heat sink, unless you have a major big time boiler, I can easily see the section under the car getting warm in hours long after the job is done.
 

James-W

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Joined
Feb 3, 2013
Messages
12,432
Location
Southeastern Wisconsin
the idea of radiant heat in the garage would be to keep it on. Turning it on once in a while so you can work under the car wont work, the rest of the slab will be one big heat sink, unless you have a major big time boiler, I can easily see the section under the car getting warm in hours long after the job is done.
I agree, in-the-floor heat is wonderful but only if it is left on. If you turn the heat off, or turn the heat way down when you aren't working out there, it quickly loses its appeal.
 
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