Quick question answer.
Why do people put water heaters in the attic.
The main reasons why one should be cautious when installing a gas water heater in the attic is because of inadequate attic ventilation with little or no traffic and high or low freezing temperatures.
Why is it a problem to have my water heater in the attic.
Why is the water heater in the attic.
Leaks and overflows on a given floor will seep through the floors to affect everything below it including your hvac system.
It s problematic to have a water heater in your attic because leaks can damage your attic and foster an environment for mold.
Adjusting the temperature is harder.
Your hvac system will require shorter ducts attic hvac systems also require shorter ducts.
Many people wish the water heater was in garage or on the main level some have it this way and love it others don t.
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.
It has to do entirely with the builder of the homes preference and needs.
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.
Now a secondary line of reasoning for placing a water heater in the attic is the high temperatures that occur in an attic particularly during the summer months.
Having it installed in the attic ensures that it is 100 percent protected from flooding caused by plumbing leaks and overflows.