Service and Maintenance

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Tankless systems eliminate storage tanks, but demand proper sequencing, balanced piping, and regular flushing to perform as intended. 

The shift to A2L refrigerants may seem daunting, but with proper tools, training, and safety know-how, contractors can handle the change with confidence.  

A reversing valve can fail 3 ways: stuck in position, defective/displaced, or internal leak. 

This technical primer breaks down defrost control board operation, key components, and practical troubleshooting steps every HVACR technician should know. 

Heat pumps may be leading sales, but dual fuel systems are winning on trust, redundancy, and real-world reliability. 

Individual energy-saving habits help, but buildings consume far more energy. Here’s what really drives efficiency.

When replacing refrigeration components, wiring may also need updating. Techs must choose the correct wire gauge for the amperage, as well as decide between solid or stranded wire. 

Modern heat pumps are engineered for extreme cold, yet misconceptions persist. Field data and proper system design are changing how contractors approach winter heating solutions.

Many commercial buildings still rely on aging HVAC systems. A data-driven approach to audits, maintenance, and capital planning can unlock efficiency gains without a full overhaul.

If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.