HVAC/R Evacuation Quiz June 8, 2022, 11:18 pm

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Some Range Hood IAQ Thoughts
This article was written by my good friend Neil Comparetto, a contractor and industry influencer who is helping shape IAQ for the HVAC industry in the US for the better. Thanks, Neil! Indoor air quality (IAQ) monitors can tell you a lot about the air you are breathing. We find that the information is valuable […]
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Motor Overheating
An important rating on motors is the AMBIENT  temperature rating that the motor can operate at. This rating refers to the temperature of the air around the motor, not the temperature of the motor itself or even the temperature of the outdoor air—since the motor is often in a condenser air stream that is higher […]
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Introduction to SORIT Valves
Photo Courtesy of Parker/Sporlan There are many brands and styles of evaporator pressure regulating valves (EPR), but none as common as the Parker/Sporlan SORIT and ORIT valves. The diagram above clearly shows some of the common applications. An EPR or “hold back” valve maintains a set suction line pressure and, therefore, coil temperature. That is […]
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