Pay attention to furnace smells. A metallic or burning odor could mean overheated electrical components. A musty smell ...

Troubleshooting an air conditioning system often concerns refrigerant, airflow, and mechanical problems, either individually or in combination. The next series of articles will deal with many of these ...

You can best test and diagnose a residential hydronic heating system using pressure ports and balancing valves. However, few residential systems have either of these accessories. A commonly ...

Worried about your HVAC unit? Uncover the signs that your dated unit is (or isn't) just blowing hot air and how to tell if it ...

Every homeowner at some point in time has asked this question: Is this just a tough time for my AC, or has it quietly given ...

A top-performing HVAC system provides the perfect amount of comfort while using the least amount of energy. Keeping that perfectly balanced system running at its best requires regular preventative ...

R-410A has been the refrigerant of choice in residential and light commercial cooling systems since 2010, when federal government regulations mandated that new air conditioners and heat pumps could no ...

Conry said one more thing to do is to make sure your HVAC system in your house is serviced twice a year, once for your ...

Winter might feel far off, but when that first snowstorm hits, the last thing you want is to discover an issue with your heating system that you could've addressed sooner. Everyone knows proper ...

Regular maintenance is more important than you think. Use it to your advantage and save on HVAC costs in the long run. Alexandra Jones is a CNET contributor who writes about food, farming, gardening, ...