The ACHR NEWS releases its list of the most popular articles from 2020, covering vaccines, the refrigerant transition, and much more. Read the full Best of the NEWS issue here.

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Air Conditioner.
1 R-454B Emerges As A Replacement For R-410A
Vaccine.
2 HVAC Contractors Need to Start Thinking About a Vaccine Policy
Elon Musk.
3 Elon Musk Shares Idea to Release Home HVAC Product
Maintaining Idle HVAC Systems During The Shutdown.
4 Maintaining Idle HVAC Systems During The Shutdown
Maturing Millennials.
5 Maturing Millennials Make Up New Market of Homeowners
Goettl Air Conditioning & Plumbing CEO Ken Goodrich, at right, poses with co-author Michael E. Gerber to show off this new book.
6 Private Equity Firms Investing in HVAC Contractor Consolidation
An HVAC Technician’s Guide To R-32.
7 An HVAC Technician’s Guide To R-32