Liquid line restrictions cause the evaporator, compressor, and condenser to be starved of refrigerant, causing performance problems in refrigeration systems.

Locating the source of a refrigerant leak in a self-contained reach-in cooler or freezer and repairing it may be difficult, but technicians should always attempt to find the source.

Like any piece of machinery or machine component, air-conditioning coils work better, and last longer, when properly cared for.

Comprehensive troubleshooting can help technicians determine whether the compressor is working properly.

It goes without saying that HVAC work shifts with the seasons. But did you know that the same mentality can apply to your company vehicles?

The condenser is the most underrated component in an air conditioning or refrigeration system.

The National Air Duct Cleaners Association recently drew more than 500 people to a resort near Denver for its annual meeting and exposition.

A move into duct-cleaning work is natural for HVAC contractors looking to expand their repertoire and add another source of revenue.

Unless you know where to start, adding air diagnostics to your HVAC company can seem daunting. Here are eight steps you can take to help add air diagnostics to your service offerings.