Whether or not you can install a tankless water heater in your attic depends on your attic.
On demand tank install in attic.
The digital temperature controller can be mounted in any room.
It can also be installed in a location where a tank based water heater may not fit such as a bedroom or bathroom.
Regardless of your installation location your water heater should be installed in a manner that will not allow combustible materials to come in contact with the water heater or outlet water pipe.
Tankless water heater cost.
Tankless water heaters cost around 2 3 times more than traditional storage tanks.
The only exception is the lack of a storage tank.
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.
These systems are usually mounted then placed along a wall at a location which allows for proper venting of the system.
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.
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.
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.