State Of Florida Attic Duct Work

Credit for programmable thermostat.

State of florida attic duct work.

Thermostat required for each system. A last step to ensure the air around your ductwork stays at low humidity levels is to install a dehumidifier which is particularly helpful if your ductwork is in your attic or crawl space. Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords. An attic without insulation will allow hot air to enter your home.

It was new when the ac was put in 7 years ago. The florida building code energy conservation for duct insulation r value requirements. In florida periods of peak residential electric demand typically occur during summer months and the warmest hours of the day late afternoon early evening when people are home and running their air conditioners and fans to staycool. R 6 if in the attic.

The attic ductwork is flex duct work. Installing ductwork is a 1 4 day job because of the wide range of scenarios. Colder parts of the state also experience winter peaks during times of high heating demand. In warmer weather when you are trying to keep heat out this unwanted summer air can pose many problems.

Your air conditioning system will be forced to work harder to keep your home cool. Here s a typical scenario for a 2 000 2 500 square foot two story. Duct insulation materials shall conform to the following requirements. A dehumidifier keeps the moisture in your home at healthy levels year round eliminating condensation on plumbing and ductwork and improving indoor air.

With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f. In this case the temperature gradient between supply air and the ceiling can be such that the duct surface could be cooler than the local dew point. In a vented attic this can happen when the duct is in close proximity to conditioned space i e the ceiling and also thermally isolated from the hot attic beneath the ceiling insulation. Maximum weighted average shgc 0 50 except if 4 overhang ducts.

Use metal flex or fiber board ducts that are insulated to. Credit provided if testing shows less leakage hvac controls. Installing ducts in a multistory home goes more slowly since wall stacks are included. Throw duct leakage into the mix and the problems are even worse.

Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water. Space permitting state law windows. When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space.