Before calling in an HVAC tech, try these troubleshooting tips. You may be able to fix the issue yourself and save some money ...

NEWS10’s Spencer Tracy got an inside look at how HVAC systems work and how they can circulate air flow. HVAC stands for heating, ventilation, and air conditioning.

Variable Air Flow for Heating, Ventilation and Air Conditioning Systems A variable air volume box controls the air flow to a given space. When the space is unoccupied, the box closes off the heat and ...

Check your HVAC air filter every month—defer to your owner’s manual for where filters are located—and wait no longer than 90 days to replace if you see an issue.