There are several HVAC issues that you can fix yourself. If your system isn’t working as expected, your first order of business should be checking your air filter and replacing it if necessary. If you ...

A variable frequency drive (VFD) fails to vary the discharge-air fan speed. A motor overheats and fails prematurely. Programmable controls that generally operate without issue suddenly experience ...

The summer heat is just around the corner, and that means HVAC troubles might not be far behind. Here are some quick tips on what you should do when your AC unit stops working. There are a number of ...

With this information, the service technician can calculate the four values listed in the table above. Those calculations are as follows: Let’s apply the system checklist to a refrigeration system ...

It can cost $130 to $450 to repair your HVAC system and up to $5,000 to replace it. Those numbers can easily strain most people’s budgets. Luckily, a comprehensive warranty can cover most HVAC repair ...