Common problems with duct systems for air conditioners include all of the following except.
Attic duct problems include all the following except.
Poor location for supply and return registers.
Add additional sealant if necessary.
Exhaust gas entry into the house d.
C reduces carbon monoxide.
I found instead a vintage 3 ton ac unit with 1 rigid insulation taped all over it and insulated flex duct snaking all over the poorly insulated attic.
The rigid insulation was saturated from condensation.
The ducts should be tested for total duct leakage and any leaks should be sealed.
C air vapor barrier missing or damaged.
Common problems with duct systems for air conditioners include all of the following except a too few supply or return registers.
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.
Test total duct leakage.
Too few supply or return registers.
Collapses of the chimney b.
Attic duct problems include all the following except a disconnected.
Venting the house living space during the winter in heating climates does all the following except a brings fresh air into the home.
Attic duct problems include all the following except a leaking.
All duct connections should be mechanically fastened and mastic sealed.
The flex ducts were literally filled shut with ice in the low spots compressing the scant insulation layer beneath them.
Insulation missing or loose e.
D insulation missing or loose.
The ducts should be covered with r 8 or higher duct insulation and the duct insulation should include a vapor barrier cover.
Air vapor barrier missing or damaged.
Throw duct leakage into the mix and the problems are even worse.
The implications of chimney settling and leaning include all of the following except.
Attic duct problems include all of the following except.
Common air conditioner thermostat problems include all of the following except.
In last week s blog i discussed the practice of burying attic ducts in deep insulation since burying ducts is simply one of several ways to address the energy waste associated with the decision to locate ducts in a vented unconditioned attic it s worth taking a fresh look at all of the possible solutions to the attic duct problem.
Mechanically fasten and mastic seal all duct connections.
B poor location for supply and return registers.
