AIR DUCT INSULATION

Almost every homeowner can save both energy and money by adding insulation. Good insulation is permanent, maintenance-free, and can return your investment by lowering your fuel bills.

Air distribution system ducts are designed to supply conditioned air from space heating and cooling equipment to the living spaces and return an equal volume of air from the living spaces back to the heating and cooling equipment to be conditioned. Ducts are usually located in unconditioned spaces such as attics, crawlspaces, garages, or unfinished basements and made out of thin materials that easily conduct heat. Due to the extreme winter and summer temperatures in these spaces, 10 percent to 30 percent of the energy used to heat and cool the air is lost to conduction through the duct surfaces. In order to maintain temperatures at a comfortable level, the heating and air conditioning equipment has to compensate for this heat loss or gain by conditioning additional air. Thus, uninsulated or poorly insulated ducts reduce the efficiency of the heating and cooling systems and increase energy bills.

Uninsulated or poorly insulated ducts can also cause occupant discomfort, especially during the winter months. As conditioned air moves through uninsulated ducts, it loses heat through conduction. As a result, rooms served by long duct runs can experience what is called “cold blow” because they typically have lower heating supply air temperatures. This problem can be more pronounced with heat pumps that deliver air at lower temperatures. Even when the furnace or air conditioner is not operating, heat loss occurs due to conduction through the duct surfaces.

Duct insulation can provide many benefits including:

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"We received a coupon in the mail from ANG and were able to save money not only on the air duct cleaning service, but on our monthly energy bill!  Two birds with one stone!"

               

Esther and Ed L.

Thousand Oaks

"Choosing an air-duct cleaning company was not easy since there are so many of them,but thinking back now, I am so glad I went with ANG!  They are fast, professional, and most importantly honest!"                       

Ashley M.

Oxnard City

"I am a mother of two with one on the way and after I researched what contaminated ducts can do to my family's health, in our very own home, it was such an easy choice to make.  Glad I hired ANG's services!"

Lori W.

Silver Lake

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* Improved comfort. Duct insulation minimizes conductive heat losses and gains, allowing supply air to be delivered closer to design temperatures. In winter, “cold blows” will be reduced in rooms supplied with long duct runs. This can result in quicker recovery from night-time setbacks and a more consistent level of comfort throughout a house.

* Lower utility bills. The average homeowner spends over $600 per year on heating and        cooling.  Duct insulation minimizes conductive heat losses and gains and reduces heating and cooling systems’ operating time. This results in lower utility bills, making homes less expensive to operate.

* Lower equipment cost. Duct insulation can reduce space conditioning loads and, in some  cases, allows for the installation of smaller, less costly heating and cooling equipment.

Does your home need more insulation?

Unless your home was constructed with special attention to energy efficiency, adding insulation will probably reduce your utility bills. The majority of the houses in the United States today were not insulated to the levels used today. Older homes are likely to use more energy than newer homes, leading to higher heating and air-conditioning bills.