Install electric ventilators and attic fans which remove hot air from an attic.
Attic heating and cooling options.
The department of energy estimates that a properly insulated attic can shave 10 to 50 percent off your heating bill.
Best ventilation is open soffit venting to a open vented ridge vent.
The contractor might also use a computer program that accounts for the building s particular construction such as surface areas of exterior walls insulation levels window glazing and air infiltration.
Ridge vent must me installed per the manufactures instructions.
What are the options.
In very warm climates they will be effective as long as your attic space is properly insulated against the elements.
Using a separate portable heater and cooler for the budget conscious homeowner the cheapest method for cooling and heating the renovated attic is to plug in a portable system to be used for that room only.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
So why put an hvac system up in the attic at all.
Attic hvac systems save space.
It s quick to install.
Insulation at least r 38 or more is there for heating and.
With a fan and water soaked sponge or pad air is blown by the fan through the pad allowing the water cooled air to blow into.
Cooling capacity should be determined by a contractor and be based on a load analysis using the air conditioning contractors of america manual j.
In dry climates an evaporative or swamp cooler is a common option.
This option is ideal if the finished attic is small and will not be used as a permanent living space.
It can do both.
Powered attic ventilators seem to be the one a lot of people want.
And it works the opposite way for warm climates.
A window air conditioning unit is also a good option for cooling an attic.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
To head off these problems consider these options for bringing your attic s temperature down.
Well mainly it s a way to save space.
Ductless mini split system designed both for single room and multi room cooling and heating ductless mini split system is easily your best option if you are really looking for something that will enable you to enjoy consistent temperature comfort inside your renovated attic.
They re easy to install portable and can be removed for winter or cooler seasons.
One last thought attic ventilation is not there to get rid of heat it is there to get rid of excess moisture accumulating from the home.
In summer it helps stabilize your house s indoor temps to keep cooling needs in check.