Updating duct work

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Mark any air leaks you find, then turn off the HVAC unit.

Cover any air leaks with metallic foil tape made for sealing ductwork.

If the insulation on the central heating and cooling ductwork in your house has seen better days, consider replacing or upgrading it to improve energy efficiency and reduce your utility bills.

This is particularly true if the ductwork is located in the attic where the intense summer heat can make your air conditioner work overtime to cool your home.

The system can be made out of sheet metal, fiberglass ductboard, insulated plastic, or cloth. Finally, this conditioned air enters the supply section of the hvac duct system.

Many times, a combination of these materials is used in the same home. The purpose of this part of the system is to deliver conditioned air to the individual rooms.

When insulating HVAC ductwork, use a foil faced fiberglass insulation with an R-6 or higher R-value.

Use the type of metallic foil duct tape recommended by the insulation manufacturer to seal and hold the insulation in place.

If your HVAC pro says it's time for an upgrade, your options depend on where you live. But if you live in a moderate climate, an air-source heat pump may be your best choice. It may be feasible to replace the furnace or the air conditioner only rather than putting in an entirely new system.

Don’t use standard cloth duct tape on HVAC ductwork, since the adhesive won’t hold up to extreme temperatures.

For an added layer of protection, you can apply duct mastic to the tape and duct.

Are you making frequent repairs or enduring hot and cold spells in certain rooms? Take a proactive approach and have its performance evaluated by a professional.

Replacing an old, inefficient system with an Energy Star-rated model can save you about 0 per year on your utility bill, plus make your house far more comfortable.

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