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Determining the Air-Side Charge of an Expansion Tank
Michael Housh from Housh Home Energy in Ohio wrote this tip to help techs determine the air-side charge on a pressure tank. Thanks, Michael! Determining the air-side charge of an expansion tank in a hydronic heating system is a relatively easy task. A properly sized and charged tank is designed to keep the system pressure […]Read more
The HVAC/R Island of Misfit Toys
It’s that time of year again. The tree has been decorated, cookies have been baked, festive family photos with my 10 kids have been sent out to friends, and we’ve had no shortage of service calls about “smoking” heat pumps. (Don’t worry, that’s normal.) You know how much I enjoy Christmas movies by now, and […]Read more
Receivers, which we sometimes call “liquid receivers,” are components that store refrigerant. You'll see it on everything from small self-contained refrigeration units to very large commercial and industrial systems. Many new techs who are used to residential air conditioning confuse receivers with accumulators. It's an understandable error, as they both contain liquid refrigerant. However, you'll […]Read more