Max HVAC/R Evacuation Quiz April 10, 2022, 2:31 pm

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Think Before You Drill
Over the last 30 years, there has been a big move away from conventionally framed roof structures towards engineered structures— specifically engineered trusses and load-bearing engineered beams like micro laminated and even steel. I have been in so many attics where the engineered roofing or other load-bearing structures have been cut to accommodate equipment, wires, […]
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Swaging Copper: Best Practices
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