It s problematic to have a water heater in your attic because leaks can damage your attic and foster an environment for mold.
Why do people put water heaters in the attic.
Why is it a problem to have my water heater in the attic.
Having it installed in the attic ensures that it is 100 percent protected from flooding caused by plumbing leaks and overflows.
Quick question answer.
Leaks and overflows on a given floor will seep through the floors to affect everything below it including your hvac system.
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.
Your hvac system will require shorter ducts attic hvac systems also require shorter ducts.
Why is the water heater in the attic.
Adjusting the temperature is harder.
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.
The gas water heater must get enough fresh air for the proper gas combustion and provide unobstructed and efficient drafting of the products of gas combustion.
Maintenance should be done yearly and is more difficult because going into the attic is cumbersome.
It has to do entirely with the builder of the homes preference and needs.
You will however need gas and water pipes that can reach your tankless water heater which is why in general most plumbers recommend simply.