Mount the tankless water heater securely to the platform.
Replace attic water heater with tankless.
Build a platform with 2 x 4 inch pieces of lumber that will allow you to mount the new tankless water heater about four inches from the wall.
For a household of one or two people a tankless electric unit will probably be adequate.
Choose a location for the new water heater that will allow you to vent it to the outside easily.
Install 3 4 in black pipe 90 fittings on hot cold.
The local building codes must allow you to install the water heater in the attic.
Even if the attic is an excellent place to install the tankless water heater you should be aware of some possible problems.
Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models.
The higher the energy factor the more efficient the water heater.
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.
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.
A tankless water heater has no tank you re welcome.
Add lumbar for structural integrity if needed.
Installing a tankless water heater is a greater upfront investment but these units can significantly cut the cost of monthly utilities.
Switching from a tank style water heater to a tankless water heater will save a family of four an average of 100 per year or over 1500 throughout the lifetime of the system according to energy star.
Garages utility closets even outdoor installations with proper insulation are preferable to having a tank type water heater in your attic.
Whether or not you can install a tankless water heater in your attic depends on your attic.
Replacing your tank type water heater in the attic with a tankless unit is a much safer alternative and one that nick s plumbing and sewer services would be happy to discuss with you.