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By 1926, ammonia dominated industrial refrigeration. Natural refrigerants enabled the global cold chain and continued driving innovations needed to feed a growing world. 

 CO₂ refrigeration is moving beyond larger systems as improved CO₂ scroll compressors make smaller, distributed R-744 units increasingly practical and appealing. 

 Dry indoor air affects comfort, health, and homes during heating season. Knowing how whole-house humidifiers work helps contractors match homeowners with the right solution. 

Thousands of techs are ready to advance. Licensing bottlenecks are what’s holding the industry back.

The partners in Lantern, a machine learning software firm focused on product distribution, pitched the technology to HVACR distributors during the recent HARDI conference. 

Two House members, a Democrat and a Republican, revived a bill that was also considered in previous sessions.

From equipment restrictions to incentive-driven transitions, state electrification efforts are influencing how contractors sell, install, and plan for the future.  

In the HVACR industry, the potential for equipment to become smarter after its installation is still relatively new. But as manufacturers explore how connectivity and software can improve performance, reliability, and customer service, OTA updates are emerging as promising possibilities.