Ductwork testing

A special test for your ductwork can help you find and fix leaks, and save money.

Fixing the leaks

You can seal your ductwork yourself using metal and foil-reinforced tape or mastic, which is a fiber-reinforced paste. Alternatively, a professional can use aerosol sealants to seal the ductwork internally. Tip: remember to leave your furnace filter slot or the combustion air inlets in your HVAC system open and unsealed.

Sealing from the inside out

There are many ways to seal exposed ductwork, using mastic or special foil tape, but what about inside your walls? Check out this product that seals the holes from the inside out.

Sealing ductwork in a mobile home

Follow a professional as he inspects ductwork for a mobile home and provides tricks on how to find and seal ductwork.

More from this category

Ductless mini-split system

Internal vents from a ductless mini split system

A ductless mini-split system provides heating and air conditioning to spaces where a traditional ducted system won't work.

learn more

Furnace filters

Man inserting an air filter

Changing or cleaning your furnace filter is one of the easiest things you can do to prolong the life of your heating and air conditioning system.

leARN MORE

Space heating myths

Myth in large lettering

Space heaters are not the best way to heat your home. Find out why.

learn more

Getting a new furnace

Energy star logo

Shop and compare when choosing a new furnace. Look for the yellow Energy Guide label to see how one unit stacks up against another.

learn more

Installing a heating and cooling system

Two workers installing a new A/C unit outdoors

One of the biggest purchases a homeowner can make is to install a new furnace and air conditioner. Learn what you need to know when faced with this big decision.

learn more

Ceiling fans

ceiling fan

A cooling breeze can reduce your need for air conditioning.There are some important things to know about purchasing and installing ceiling fans.

learn more

Sealing ductwork

Man applying mastic tape to ductwork

Leaky ductwork is one of the most common household problems. Luckily, it's easy to fix with the right materials.

learn more

Maintaining your furnace

Man working on furnace ductwork

It's important to keep this big piece of equipment in tip-top shape in order for it to operate at peak efficiency.

learn more

Geothermal

Geothermal wiring system on ground

Capturing the heat from the earth can save you big money on your energy bills.  Learn how geothermal systems work.

learn more