Attic Temp Vs Cooling Cost In Florida

Blown in insulation is the least expensive option and ideal for older attics.

Attic temp vs cooling cost in florida.

Too many attic vents can cause temperature fluctuations in cold weather months and too little venting will not do enough to dissipate heat in the summer. Ultimately improving your attic s ventilation can have a net positive effect on your cooling bill. Noticed one of the attic vents was not working. On one hand the national renewable energy laboratory said attic ventilation reduces attic temperature 10 to 25 degrees and slows the transfer of heat into the living space on the other the florida solar energy center university of central florida found that attics with nominal natural ventilation and r 19 ceiling insulation do not.

The same temperature as the interior would limit heat gain and loss to the living space and help limit heat related damage to the roofing material where that was a concern. Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented. If it s 90 degrees outside the attic temperatures shouldn t exceed 110 according to home inspector jamison brown of amerispec home inspection services in poquoson. The florida solar energy center fsec has done quite a bit of work in this area and even built a test building called the flexible roof facility to study different types of roof and attic assemblies.

The ideal attic temperature would be the same temperature as the home interior not the exterior. Dropping the temp by 10 f would reduce the heat load to the second floor by 20 of 750 btu h so the attic fan reduces the conduction cooling load by 150 btu h or 50w. Improving attic ventilation for cost savings. Things have been ok low energy bills house very comfortable.

In general attic fans are not effective at reducing air conditioning costs. There s been some good work done on how the type of roofing affects the attic temperatures and cooling loads in the house. Help purchased home 8 years ago with 2 power attic vents. Runs up the cooling cost.

The benefit from lowering temperatures in the attic and thus reducing heat gain from the attic into the house is. But attic ventilation requires a balance. They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees. Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.