As long as your tankless water heater has enough combustion air it can be installed in a utility room garage basement attic or placed on an outside wall.
On demand tank install in attic.
Department of energy estimates that in homes using 41 gallons or less of hot water on demand tankless units can conserve between 24 to 34 more energy than tank water heaters.
Indoor tankless systems are installed in the same way that a tank based system would be.
Whether or not you can install a tankless water heater in your attic depends on your attic.
In most cases installing your tankless water heater in the same location as your old conventional tank type water heater will make the most sense.
These systems are usually mounted then placed along a wall at a location which allows for proper venting of the system.
Installing a tankless water heater is a greater upfront investment but these units can significantly cut the cost of monthly utilities.
Tankless water heaters cost around 2 3 times more than traditional storage tanks.
The digital temperature controller can be mounted in any room.
The average cost for a tankless water heater installation is 1 985 or between 1 470 2 510 if your home needs to be rewired it can easily add 3 000 or more to the cost of installing a tankless water heater.
The only exception is the lack of a storage tank.
It can also be installed in a location where a tank based water heater may not fit such as a bedroom or bathroom.