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Rusty Walker
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Tech Tips written:

Does a Motor Draw More or Less at Lower Voltage?
Have you ever noticed that a blower motor rated for 120V draws about twice the amperage of the same horsepower motor rated at 240V? That is because motors are rated in watts or horsepower, and according to Watt's law, Watts = Volts x Amps. To keep the wattage output the same at 120V, it draws […]
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Battery-Integrated HVAC Systems: The Concept of Load Shifting with Built-in Storage
Over the past several years that we’ve been discussing electrification as an industry, we’ve heard concerns about the electrical grid struggling with peak cooling demands.  Within the past couple of months, the concept of integrating battery storage directly into HVAC equipment has emerged as a vital solution for load management. This concept turns a typical […]
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Decoding Windows: Frame Types, Low-E Glass, and How They Affect HVAC
Windows might seem like the builder's problem, but they play a big role in what we do every day. Poorly designed windows can spike heat gain in summer or loss in winter, messing with load calculations and forcing HVAC systems to work overtime. That leads to uneven comfort, higher bills, and more service calls. Getting […]
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Podcast guest:

3 Flavors of CO2 w/ Rusty Walker (Podcast)
In this podcast episode, Rusty Walker from Hill Phoenix talks us through the three most common types of market CO2 systems and how they work: secondary, cascade, and booster. Carbon dioxide (CO2) is one of the oldest refrigerants; it is a natural refrigerant that came about when toxic refrigerants like ammonia were common. In the […]
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