Cool South Florida Attic

I come across many homes that originally had soffit venting and wind turbines at the peak but continuous ridge venting was added later during a re roof.

Cool south florida attic.

Our company service the south florida area using only the best trained and experienced technicians. White shingles reflect more of the incident solar radiation and stay cooler. They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees. The best option for insulating florida homes is spray foam insulation which has a high r value and is water resistant.

The 1 garage fan and attic cooler in the u s. The graph is from page 30. Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape. The typical method for ventilating the attic on an average home is soffit and ridge vent.

Spray foam insulation applied to your attic ceiling can reduce and prevent water damage caused by rain water. Cooler outdoor air enters through open windows lowering the indoor temperature. The gf 14 garage fan attic cooler cools your 2 3 car garage by up to 20 degrees cooler than the outdoor temperature for heat relief and safety for people and things. So compared to that hot humid attic the vapor pressure at the other side of the foam is a factor of six higher.

You can read more about this in fsec s literature review of attic ventilation pdf. It will keep the unwanted hot air out of your home and make it easier to cool your living space. For more than 10 years. If you want to cool your attic proper insulation is the best place to start.

For the same reasons we just went over energy escaping your home will make your energy bills skyrocket. In the late evening or early morning the fan is turned on to exhaust hot air from the house. Open your windows before you turn on the fan. I suspect the thinking was the more the better.

If the attic is at 80 f and 80 humidity that s about a 21 torr vapor pressure of water. Atticlean of south florida is your one stop solution we offer the full range of professional attic and crawl space services. I ve read where this disrupts the natural flow up from the soffits due to old turbines and new ridge vent. 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.

At 140 f 80 humidity corresponds to 120 torr or 16 of atmospheric pressure. They don t show the attic temperatures here but if the shingles are cooler the attic is cooler. Missing or inefficient insulation in the attic means that cool air in your home can easily escape. Install electric ventilators and attic fans which remove hot air from an attic.