I isolate a treatment in a hot attic air from the south?

We have a radiant barrier insulation blown on top of our in our attic. We really wanted to spray foam, but it is too expensive. I read some of the benefits of spray foam under your roof beams, it cools the room that your air handler and pipelines are located. So here's the question. Can we have a box of what to check the cards made thick foam (from the hardware store) w / radiant barrier stretched our treatment of the air? Are there problems with air quality or the air handler does not generate heat all about? thank you, Cassie "hot on course sc"

Yes. The air handler contains cooling coils with refrigerant lines that run from your outside compressor in the air handler and coil. The return air in your house is pulled into the air handling and blown through the coils and cold in your house by the conduct of the work. Be careful, not with the container below the Device is interfering. This pan to collect water dripping from the cooling coils. The pan has a drain built in general, and a small tube or pipe, the water runoff flows in and out. Sometimes the shell is covered with insulation (a little can clog drain hole "), then blocked drain and overflows into the insulation, then down to the drywall ceiling to stop. Make sure the plates covering access or ventilation openings on this equipment. I suggest using a Styrofoam Dow can find you. Cut it, and it leads up to the tape. All channel system (air or air) can be completely covered with insulation.

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