A good way to gage if more insulation is necessary is to look in your attic for ceiling rafters.
Geyting hot water from your attic.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
Turn excess attic heat into hotwater.
You won t ever pay an energy bill for that unlike you do with your pav.
Within the attic insulation is a must.
I was wondering if i could heat the water in my swimming pool using the heat in the house s attic and i started messing about with a large s heatsink s thermal battery.
Install electric ventilators and attic fans which remove hot air from an 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.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
You d be better off insulating and air sealing your ceiling.
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.
A thick insulation between 14 to 18 inches will help reduce heat from entering your home.
Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace.
If you want to put a powered attic ventilator in your house fine.
If hot air is allowed to sit in your attic it could overheat the shingles on your roof and cause damage.
Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic.
The water for my hotwater heater has to pass through it and pick.
In addition hot air in your attic could increase moisture levels which could result in wood rot and mold growth.
Having a properly vented attic is the best way to keep attic cool because it allows the hot air to escape during the summer.
The hot water in the cold water pipe is due to the hot attic.