Attic Tankless Water Heater Freezing Temperature

Tankless water heaters can be vented in two ways.

Attic tankless water heater freezing temperature.

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. 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. Whether or not you can install a tankless water heater in your attic depends on your attic. During the winter time a water heater and piping in the attic space should be insulated to protect against freezing temperatures.

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. The cost will run about 50 70 per foot. The water will flood rooms in the lower level and do the damage.

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. Insulating your tankless water heater will help to prevent freezing from happening within the unit. If there is a power shortage the heater might suffer from frozen water inside the.

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. Before you decide against a tankless water heater for your next project consider these tankless water heater venting requirements. Another reason why installing a gas water heater in the attic is not a good idea is if the tank or any connection leaks. Built in electric heaters protect noritz tankless units from freezing but there are two caveats.

It s smart to insulate water supply piping exposed to freezing temp. Facts about tankless water heater venting. Gas tankless water heaters don t have to use indoor air for combustion.