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I can say with confidence that no one succeeds in this HVAC business without mentors, educators — some of these individuals may have only provided you with good advice on one or two occasions, others may have far exceeded your expectations.
As the phasedown of hydrofluorocarbon (HFC) refrigerants ramps up over the next several years, technicians can expect to see a wider variety of refrigeration architectures that use lower-global warming potential (GWP) alternatives.
Video: Building managers are often asking contractors for three different bids: One all gas, another with electrical and resistive systems, and then option C: heat pumps.
I've found if your recommendation includes challenging the Big Mistake often seen with a demand-controlled ventilation (DCV) sequence for air-handing units (AHUs), you better be prepared for some unexpected arguments.
Dan Rettig, senior product manager for heat pumps and sustainability at Lochinvar, sat down with ES Magazine for a podcast interview discussing mechanical room decarbonization and retrofits. Here is a transcribed and edited excerpt of the conversation.
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-Katie-Carriero.png?height=1000&t=1695756621&width=auto "Integrated digitization")
