Can I Use A Tankless Water Heater For Radiant Heat

Takagi on demand water heaters have many excellent features.

Can i use a tankless water heater for radiant heat.

They have become the standard heat sources for radiant heating applications. We design radiant heating systems to suit the unique characteristics of tankless water heaters. You ll need additional controls to temper it properly and on a really cold day it might take a couple of passes through it to get up to temp. 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.

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. 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. Tankless water heater can be used to produce radiant heating.

So using the unit for radiant heating generally has little or no effect on the sizing calculation. A tankless is designed to take in cold water and raise it about 70 degrees or so. Ft lightweight 60 lbs can mount conveniently on a wall vent. Make sure you invest in a high efficiency tankless water heater.

Sample temperature curve for an on demand unit. Depending on the heat load the radiant floor heat supply will wander all over the place. Water heater for radiant heat water heaters are good for radiant floor heating because they maintain a low temperature. The reasons are outlined below.