Articles Tagged with ''maintenance for HVACR''

Condensing units that are exposed to low ambient conditions must have some sort of low ambient control installed on them.

In this troubleshooting situation, the equipment is a gas pack, and the resident has called for service because the building “isn’t warm at all.”

There are many technicians who have been measuring static pressure for a long time, and they have tips to make your life easier.

Ask several refrigeration technicians about the best location to place a sight glass, and you will probably get several different answers.

Worn compressor rings and/or leaky compressor suction or discharge valves can cause a lack of cooling in refrigeration and air conditioning systems.

One important but often overlooked piece of equipment is the air filter, which protects the evaporator from dirt and lint.

Repairing refrigeration equipment — or, really, any equipment — has a huge customer service component.

Once restaurants started reopening, smart owners asked contractors to clean and sanitize ice machines before they were returned to service.

Customers are now more aware of their HVAC systems and the air it circulates.

This month’s troubleshooting situation involves an air-to-air, package unit heat pump that is approximately nine years old.