Refrigeration

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EPA finalized revisions to the TT Rule, easing several refrigerant deadlines and expanding compliance flexibility for several HVACR sectors. 

CO₂ refrigeration systems demand careful attention to detail. Following a few key best practices can help technicians avoid common mistakes and ensure a smooth startup. 

Discharge line mufflers may be a simple add-on, but they can make a big difference in controlling compressor noise in larger refrigeration systems. 

HVAC solutions help solve growing populations and prevent food waste 

Experts examine EPA rulemaking, the A2L refrigerant transition, and state-level initiatives that are shaping the future of HVACR regulation. 

AI-driven data center growth is reshaping cooling strategies, driving adoption of lower-GWP refrigerants as manufacturers develop solutions that balance efficiency, sustainability, and reliability. 

Continuous refrigeration monitoring helps contractors reduce emergency calls, improve fix rates, and shift refrigeration service from reactive troubleshooting to proactive, data-driven maintenance.

A cutting-edge ammonia refrigeration system powered the bobsleigh and skeleton track at the Olympics — delivering elite ice quality and reliability through a high-performance engineering collaboration.

The shift to low-GWP refrigerants is raising the stakes on vendor oversight, making compliance documentation more important than ever for HVACR contractors.

In 1942, an editorial in The Electric Refrigeration News warned that leaving refrigeration off the essential list could threaten the war effort. Nearly 80 years later, during COVID-19, HVACR technicians were recognized without question. The shift reveals how the industry moved from overlooked to indispensable.