Radiant Heating in Floors

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In episode #59 of the On the Job video series, Larry Janesky, owner and founder of Dr. Energy Saver, walk us through a project where radiant heating was used to make a two-level building more comfortable and energy efficient.
A high efficiency boiler was installed to heat up the water for the system. A network of pipes designed to conduct the heated water was then installed under the concrete slab at the ground level, and under the wood subfloor of the above level.
There are many advantages to using this type of heating system in a two-level building. In conventional heating systems, hot air is blown through the vents but does not heat up the concrete slab. This causes the concrete slab to still be very cold and the room would still feel very cold close to the ground.
The thick concrete slab used in a radiant heating system provides enough thermal mass to conserve the heat provided by the radiant heating system for a long time, so when the big garage doors in this particular structure are open, there isn't a lot of heat loss to the outside, and once the doors are closed the rate of heat recovery is higher and the entire place will warm back up very quickly.
A similar network of hot water lines was attached beneath the subfloor on the upper level, attached to aluminum plates that help distribute heat through the surface, making the upstairs room just as comfortable as the ground level room.
The owner of this building is now very happy with the results in terms of comfort and energy savings. Would you like to learn more about other great ways to make your home more comfortable and save a lot of money on your heating and cooling bills?
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[@stevedoug3297]

What happens if the pipes freeze if your heat is down? Or if you have a leak in the concrete? You are fucked!!!

[@lukedolan3039]

Great Video Thanks. What type of thermal imaging camera do you use ?

[@Longoria1966]

So would I be able to add this kind of heating to my single story house? Would I be able to put it like it was on the second story?

[@danielobrien2596]

Got a question. If I have a suspended garage floor that is already poured onto steal decking 6in thick. Can you still do radiant heat under the steel decking? Will the heat transfer through the 6” concrete floor?

[@hayesm665]

Sorry I don't want to be rude, but if the exhaust is punting out 94 degrees, that is 34 Celsius going out the door, where is the efficiency? With that loss you can heat up another house.

[@rockrl98]

Not sure, but if you were to take even more energy out, you would have to install a fan to keep the exhaust moving, and thus kinda negating the effect.