Attic Tankless Water Heater Freezing Temperature

Freeze damage to tankless water heaters usually takes the form of standing water inside the unit turning into ice expanding and damaging the internal components.

Attic tankless water heater freezing temperature.

The heaters themselves need no protection from freezing weather as long as the electricity and gas are working. Simply put as long as there is enough combustion air provided tankless water heaters can be installed in any area of your home from a utility room to a garage to yes even an old dusty attic. Your attic can easily reach temperatures of 120 140 degrees which is optimum for keeping the water in your tank sufficiently hot without using any energy. Tankless water heaters can be vented in two ways.

Look to spend about 75 to 150 to insulate pipe in the attic of a 2 bath home. If there is a power shortage the heater might suffer from frozen water inside the. It s smart to insulate water supply piping exposed to freezing temp. Now a secondary line of reasoning for placing a water heater in the attic is the high temperatures that occur in an attic particularly during the summer months.

In extremely cold temperatures a freezing incident is still possible so consider this option one step toward prevention instead of a catch all solution. To activate the electric freeze prevention heaters must be plugged in. During the winter time a water heater and piping in the attic space should be insulated to protect against freezing temperatures. The water will flood rooms in the lower level and do the damage.

Insulating your tankless water heater will help to prevent freezing from happening within the unit. Facts about tankless water heater venting. Gas tankless water heaters don t have to use indoor air for combustion. Whether or not you can install a tankless water heater in your attic depends on your attic.

We had originally planned to have the water heaters on the. Another reason why installing a gas water heater in the attic is not a good idea is if the tank or any connection leaks. The cost will run about 50 70 per foot.