Either a hot water heater or a boiler handles all the heated water necessary to power the radiant floor heating needs.
Can i use a hot water heater for radiant heat.
The best tankless water heater for radiant floor heat is the takagi th3 natural gas.
A boiler is a device used to heat a home using steam and radiant heat techniques and is a closed system which rarely replenishes its supply of water from an external source.
We ve been doing this longer than anyone with great success.
Meanwhile a separate hot water heater takes care of the household hot water.
That temperature is safe and comfortable as well as being efficient.
Water heaters are good for radiant floor heating because they maintain a low temperature.
Use a water heater to make radiant floor heat instead of a boiler.
It is the safest choice as well.
Many people use a water heater instead of a boiler for radiant floor heat because it costs less.
On demand water heaters radiant floor company pioneered the use of on demand tank less water heaters for radiant floor heating nearly 20 years ago when many in the heating industry believed that on demand water heaters would never work for radiant heat we disagreed.
Sample temperature curve for an on demand unit.
We will also be installing 2 separate water heaters.
Though they are sold primarily for domestic hot water tankless heaters are actually well suited for radiant heating which operates at low temperatures compared with for example hot water baseboard.
One to supply domestic hot water and a separate water heater to supply the radiant floor.
You will need to be aware of the incoming groundwater temperature as cold water will drop the overall water temperature.
A water heater heats water that is constantly being replenished since it is connected to taps.
As such we rate it with 5 stars out of 5.
Certainly cost is important but there are many other important factors as well.
Using water heaters for radiant heat gas fired water heaters can provide reliable efficient space heating as well as domestic hot water by bill clinton jurnal of light construction web page from 1999 six years ago i nervously installed my first hot water heating system fired not by a boiler but by an ordinary gas fired storage water heater.
This model has the most impressive flow rate it is well made and it comes with all you are going to need.
You really only need a maximum of 120 f for your floor.
A hot water heater saves money when used in this way.
So using the unit for radiant heating generally has little or no effect on the sizing calculation.