Can A Tankless Water Heater Be Used For Radiant Heating
I m currently using a toyotomi kerosene water heater rated at 148 000 btu s.
Can a tankless water heater be used for radiant heating. They re extremely well engineered quiet compact 2 2 cu. What i need is a good explanation of why i can t use an on demand water heater instead of a boiler. 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. 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.
You really only need a maximum of 120 f for your floor. If the house is 100 percent radiant it would also take care of raising and lowering your water temps needed for the radiant based on outdoor temperature. The water heater manufacturer will void the warranty if used in a heating only closed system application. 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.
Takagi on demand water heaters have many excellent features. Make sure you invest in a high efficiency tankless water heater. A well designed hydronic heating system can be very economical in terms of energy use. Tankless water heater can be used to produce radiant heating.
Water heater for radiant heat water heaters are good for radiant floor heating because they maintain a low temperature. The on demand heater just runs the same water temp 24 7. 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. They have become the standard heat sources for radiant heating applications.
Ft lightweight 60 lbs can mount conveniently on a wall vent. 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. The reasons are outlined below. We design radiant heating systems to suit the unique characteristics of tankless water heaters.
Radiantec technicians can help you decide if a tankless water heater is right for your radiant heating project. So using the unit for radiant heating generally has little or no effect on the sizing calculation. Sample temperature curve for an on demand unit. 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.
However it is important to understand that not all of them are suitable for this task. This heater is suitable for heating and domestic hot water applications our open direct and indirect systems.