Can A Tankless Water Heater Be Used For Radiant Heating

When a tap shower or appliance is turned on cold water passes through the tankless water heater where it s heated by either a gas fired burner or electric coils.

Can a tankless water heater be used for radiant heating.

Takagi on demand water heaters have many excellent features. You actually have a choice between them as you can use a water heater or tankless for radiant floor heating and not just a boiler. Ft lightweight 60 lbs can mount conveniently on a wall vent. Radiantec technicians can help you decide if a tankless water heater is right for your radiant heating project.

This heater is suitable for heating and domestic hot water applications our open direct and indirect systems. Make sure you invest in a high efficiency tankless water heater. What i need is a good explanation of why i can t use an on demand water heater instead of a boiler. Water heater for radiant heat water heaters are good for radiant floor heating because they maintain a low temperature.

They have become the standard heat sources for radiant heating applications. By only heating water when it s needed tankless water heaters do not experience standby heat loss which occurs when heat escapes the water tank and needs constant reheating. Tankless water heater can be used to produce radiant heating. The water heater manufacturer will void the warranty if used in a heating only closed system application.

So using the unit for radiant heating generally has little or no effect on the sizing calculation. I m going to put in radiant floor heating and every site i ve visited wants to sell me a boiler and discourages the use of on demand water heaters. Today tankless heaters are low cost high efficient units that are cheaper to maintain operate. 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.

Sample temperature curve for an on demand unit. The reasons are outlined below. We design radiant heating systems to suit the unique characteristics of tankless water heaters. They re extremely well engineered quiet compact 2 2 cu.

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. The on demand heater just runs the same water temp 24 7. This is especially true when a high efficiency tankless water heater is used as the main hot water source. You really only need a maximum of 120 f for your floor.

However it is important to understand that not all of them are suitable for this task. For even greater savings it s possible to install a solar thermal system that will allow the sun to do some of the water heating work.