Service and Maintenance

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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.

Working as an HVAC technician requires a lot of caution and attention to detail to do the job well and remain safe. It’s important to ensure HVAC techs remember a few key things going into any job.

An evaporator can be cold but inactive, causing warm refrigerated space temperatures.

While all the technical principles I learned from Rob Falke were valuable concepts, the most beneficial lessons I learned from him were about life.

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

HVACR contractors can offer customers a solution to keep refrigerant costs down: reducing and eliminating leaks. That’s where better brazing comes in.

As the HVACR industry transitions away from HFCs such as R-410A to alternative refrigerants that are mildly flammable (A2L), it is not surprising that those who will be handling – or teaching about -- these new products have a lot of questions.