Can A Tankless Water Heater Be Used For Radiant Floor Heat

It s true that a tankless water heater can easily heat most single family homes.

Can a tankless water heater be used for radiant floor heat.

All water heaters waste heat energy even when the burner is off and the unit is sitting idle between heating cycles. Takagi on demand water heaters have many excellent features. The other consideration is efficiency. But standby losses for six months out of every year can add up.

However just because you can doesn t mean you should. The reasons are outlined below. It s also true that a tankless water heater is smaller and less expensive than a boiler or a furnace. Water heater for radiant heat water heaters are good for radiant floor heating because they maintain a low temperature.

We design radiant heating systems to suit the unique characteristics of tankless water heaters. We plumbed the radiant heating loop of our vacation cabin to the domestic hot water making an open loop system. Dual purpose systems a dual purpose system relies on only one water heater to supply both the hot water requirements for the home and the warm water needed for the radiant floor heat. 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.

While most radiant systems get their hot water from either a tank type water heater or a cast iron boiler my home s heat and domestic hot water dhw are both provided by a single rinnai tankless or on demand water heater. Ft lightweight 60 lbs can mount conveniently on a wall vent. As such we rate it with 5 stars out of 5. Today tankless heaters are low cost high efficient units that are cheaper to maintain operate.

The rinnai uses considerably less energy than a tank type heater and costs less to install than a boiler with a heat exchanger. The down side is two heat sources. The answer is you can. You really only need a maximum of 120 f for your floor.

It is the safest choice as well. They have become the standard heat sources for radiant heating applications. This model has the most impressive flow rate it is well made and it comes with all you are going to need. And the cheaper tankless heaters are usually not recommended or warranted by most manufacturers to be used in a radiant heating system and it will probably void your warranty.

A tankless hot water heater is ideal for this application since there is no water to be kept hot at all times. They re extremely well engineered quiet compact 2 2 cu.