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.
On demand tank install in attic.
These systems are usually mounted then placed along a wall at a location which allows for proper venting of the system.
It can also be installed in a location where a tank based water heater may not fit such as a bedroom or bathroom.
Tankless water heaters cost around 2 3 times more than traditional storage tanks.
The only exception is the lack of a storage tank.
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.
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.
Indoor tankless systems are installed in the same way that a tank based system would be.
Tankless water heater cost.
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.
Whether or not you can install a tankless water heater in your attic depends on your attic.
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.