Maintaining your furnace
It's important to keep this big piece of equipment in tip-top shape in order for it to operate at peak efficiency.
Fix leaky ductwork
Leaks in your ductwork mean the air you've paid to heat or cool is not getting where it needs to go. Find out how to diagnose and fix this common problem.
Ductwork testing
In this video: A special test for your ductwork can help you find and fix leaks, and save money.
Fixing the leaks
In this video: 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
In this video: 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
In this video: 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
Space heating and furnace myths
There are lots of "tips" out there that may not be true or safe. Find out how to separate facts from fiction.
Radiant floor heating
Heating from the floor is comfortable and very energy efficient. See how it's installed and how it works.
Ceiling fans
A cooling breeze can reduce your need for air conditioning.There are some important things to know about purchasing and installing ceiling fans.
Getting a new fireplace
Is it time to upgrade your fireplace? Learn how you can improve your home's efficiency with the right fireplace.
Heating and cooling older homes
Don't be scared of an older heating or cooling system. Systems can be inspected or retrofit to maintain the integrity of your older home.
Learning thermostats
Discover how the next generation of smart thermostats adjust your home’s temperature based on your behavior and weather forecasts.
Whole house fans
A whole-house fan, also known as an attic fan, provides great ventilation, lowers indoor temperatures and summer electric bills.
Heating and cooling new homes
When planning your new home, make sure you consider newer heating and cooling technologies that could save you money.