Attic Tankless Water Heater Freezing Temperature

In extremely cold temperatures a freezing incident is still possible so consider this option one step toward prevention instead of a catch all solution.

Attic tankless water heater freezing temperature.

Built in electric heaters protect noritz tankless units from freezing but there are two caveats. Tankless water heaters can be vented in two ways. 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.

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

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. The cost will run about 50 70 per foot. We had originally planned to have the water heaters on the.

The water will flood rooms in the lower level and do the damage. Another reason why installing a gas water heater in the attic is not a good idea is if the tank or any connection leaks. Before you decide against a tankless water heater for your next project consider these tankless water heater venting requirements. 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.

Whether or not you can install a tankless water heater in your attic depends on your attic. 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. Gas tankless water heaters don t have to use indoor air for combustion.