In this video: It's never a good time for your A/C to quit working. Learn how a tune-up works and how it can keep your A/C running when you need it most.

More from this category

Fix leaky ductwork

Man applying mastic tape to 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.

learn more

Space heating and furnace myths

Myth in large lettering

There are lots of "tips" out there that may not be true or safe. Find out how to separate facts from fiction.

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

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

Whole house fans

Illustration of a whole house fan system

A whole-house fan, also known as an attic fan, provides great ventilation, lowers indoor temperatures and summer electric bills.

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

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

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

Options for heating your home

Energy star logo

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.

learn more