State Of Florida Attic Duct Work

It was new when the ac was put in 7 years ago.

State of florida attic duct work.

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. R 6 if in the attic. Maximum weighted average shgc 0 50 except if 4 overhang ducts.

Here s a typical scenario for a 2 000 2 500 square foot two story. Connecting an attic air handler to ceiling ducts in a single story home is a quick project. 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. 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.

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. Installing ductwork is a 1 4 day job because of the wide range of scenarios. A dehumidifier keeps the moisture in your home at healthy levels year round eliminating condensation on plumbing and ductwork and improving indoor air. Throw duct leakage into the mix and the problems are even worse.

An attic without insulation will allow hot air to enter your home. The florida building code energy conservation for duct insulation r value requirements. Duct insulation materials shall conform to the following requirements. Colder parts of the state also experience winter peaks during times of high heating demand.

Use metal flex or fiber board ducts that are insulated to. In warmer weather when you are trying to keep heat out this unwanted summer air can pose many problems. I called out the original hvac company and they took a look and said they saw no water. Duct coverings and linings including adhesives where used shall have a flame spread index not higher than 25 and asmoke developed index notover 50 when testedin.

Credit provided if testing shows less leakage hvac controls. Space permitting state law windows. Installing ducts in a multistory home goes more slowly since wall stacks are included. The attic ductwork is flex duct work.

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. 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. Your air conditioning system will be forced to work harder to keep your home cool.