3 Phase Voltage Unbalance

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Awesome Day of HVAC Training

HVAC Training Online and Onsite: https://www.hvactrainingsolutions.net For more information please call – (904) 671-7144 We take your HVAC training quite seriously. If you master the complex challenges of air conditioning repair, it will help you become a Top Notch Tech and be among the top techs in the HVAC industry. Great success takes great knowledge,…

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Wanted – HVACR Technicians

Wanted – HVACR Technicians Must have 5 years experience and own their own tools. …isn’t working anymore. Just in case you haven’t noticed, it is very (and I mean very) hard to find any HVACR technicians to hire theses days. I speak with many contractors across the country, everyone is beginning to feel the crunch.…

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Ductwork the Forgotten Component – Part 2

Have you ever been on a service call and everything seems to check out perfectly? The system charge is good, the filter is clean, the condenser and evaporator coils are clean, the blower speed is set properly, yet there is still a comfort problem in the home. Here’s a trick you can pull out of…

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Duct Work and Airflow Principles – Part 2 of the Airflow Series

Before we can apply the formulas in Part-1 of our multi-part series, it is important to understand a few more concepts… blower performance, duct performance, and system operating point. Duct Pressures The air pressures in residential ducts are very small. Usually less than 0.025 psi (either positive or negative). Because the pressures are so low,…

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