Radiant Barrier in Climate Zone 3?
I am considering a radiant barrier application in my attic. I have heard that a radiant barrier is most cost-effective in terms of return on investmentI when ducts are located in the attic. I have already removed my ducts from the attic and relocated them to my basement to improve efficiency. I get a ton of solar gain on my roof year round with very little shade during summer months. I wonder if this condition would make a radiant barrier a good application for my roof even without ductwork in attic.
Does anyone out there have an opionion/experience with a situation like this?
My conditions include:
Roughly 950 square foot surface area of ceiling.
R-30 insulation in attic is planned
Open lot with few trees, roof tops gains 5-6 hours of direct sunglight during summer months.
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