I installed a vent in my attic in August. That was an experience – I should’ve taken a thermometer up with me. It was unbelievably hot up there. Now that we've got cooler, less humid weather in Pennsylvania, being up in the attic is a lot more bearable. It fact, now's a good time to check your attic to see what insulation is up there – colder weather and heating bills aren’t far off.
While you're up there, think about adding reflective insulation. It's a very different kind of insulation (compared to blown-in or batt fiberglass) because it significantly reduces radiant heat transfer (fiberglass insulation only reduces convective and conductive heat transfer). In cold weather, reflective insulation placed over fiberglass insulation on your attic floor reflects heat escaping through the ceiling back into your home. If you have reflective insulation installed on your rafters, it reflects heat back into the home instead of allowing the heat to escape through the roof. Of course, it's really effective to have reflective insulation installed on both the rafters and the attic floor. Every home's different, but it's not uncommon to reduce home heating bill costs by 20% - 25%.
In spring and summer, the results are unbelievable, especially when you have reflective insulation installed on the rafters. With attic temperatures 30-40 degrees lower, you can only imagine the load this takes off your air conditioner!
One more thing: you don't want to procrastinate on adding good reflective insulation to your attic. It qualifies for the $1,500 federal tax credit (see www.radiaflect.com for more info) this year. One catch – it needs to be installed, not just purchased, before January 1st.
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