With the impending deadline right around the corner, manufacturers have started introducing their A2L systems in the U.S.

Manufacturers are starting to introduce their A2L systems in the U.S., so contractors and technicians must learn how to service and install this new equipment.

Cleaning coils is a fairly simple task, but one that plays an important role in keeping a unit running strong.

Contractors must be careful when sizing heat pumps for colder climates in order to avoid mold problems and homeowner discomfort.

To help the industry better promote geothermal heat pump technology, it first needs to have an understanding of exactly what is going on during its heating and cooling process.

The EEV is often used in modern refrigeration systems, but troubleshooting its common failures may be complicated.

Keeping a refrigeration system clean and dry by changing the liquid line drier can be the least expensive insurance against compressor failure.

With a double brood of cicadas forecasted to awaken, now is the time to prepare for how to deal with the mess they will leave behind and the potential damage they can do to equipment.

Experts discuss some of the issues that arise when selling and installing heat pumps in climates where the primary need is for cooling and not heating.

Regularly inspect refrigeration equipment wiring for damaged or loose connections, especially in older systems that have not been properly maintained.