Attic Tankless Water Heater Freezing Temperature

Whether or not you can install a tankless water heater in your attic depends on your attic.

Attic tankless water heater freezing temperature. Insulating your tankless water heater will help to prevent freezing from happening within the unit. 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. Facts about tankless water heater venting. 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.

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 water will flood rooms in the lower level and do the damage. 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. During the winter time a water heater and piping in the attic space should be insulated to protect against freezing temperatures.

It s smart to insulate water supply piping exposed to freezing temp. The heaters themselves need no protection from freezing weather as long as the electricity and gas are working. We had originally planned to have the water heaters on the. To activate the electric freeze prevention heaters must be plugged in.

If there is a power shortage the heater might suffer from frozen water inside the. 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. Built in electric heaters protect noritz tankless units from freezing but there are two caveats. Look to spend about 75 to 150 to insulate pipe in the attic of a 2 bath home.

Before you decide against a tankless water heater for your next project consider these tankless water heater venting requirements. 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. In extremely cold temperatures a freezing incident is still possible so consider this option one step toward prevention instead of a catch all solution.