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
Sealing ductwork
Leaky ductwork is one of the most common household problems. Luckily, it's easy to fix with the right materials.
Options for heating your home
Shop and compare when choosing a new heating system. Look for the yellow Energy Guide label to see how one unit stacks up against another.
Ductless mini-split system
A ductless mini-split system provides heating and air conditioning to spaces where a traditional ducted system won't work.
Installing a heating and cooling system
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.
Furnace filters
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.
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.
Learning thermostats
Discover how the next generation of smart thermostats adjust your home’s temperature based on your behavior and weather forecasts.