Attic Tankless Water Heater Freezing Temperature

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.

Attic tankless water heater freezing temperature.

Whether or not you can install a tankless water heater in your attic depends on your attic. To activate the electric freeze prevention heaters must be plugged in. Facts about tankless water heater venting. The heaters themselves need no protection from freezing weather as long as the electricity and gas are working.

Built in electric heaters protect noritz tankless units from freezing but there are two caveats. 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. We had originally planned to have the water heaters on the.

In extremely cold temperatures a freezing incident is still possible so consider this option one step toward prevention instead of a catch all solution. 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. The cost will run about 50 70 per foot.

During the winter time a water heater and piping in the attic space should be insulated to protect against freezing temperatures. Insulating your tankless water heater will help to prevent freezing from happening within the unit. Gas tankless water heaters don t have to use indoor air for combustion. My contractor recently suggested that instead of having 2 tankless water heaters at opposite sides of my almost new construction single story house 4 5 baths laundry and kitchen i may want to consider a single larger unit in the 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. 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. 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.