HVAC School - For Techs, By Techs
752 episodes - English - Latest episode: 4 days ago - ★★★★★ - 943 ratingsReal training for HVAC ( Heating, Ventilation, Air Conditioning and Refrigeration) Technicians. Including recorded tech training, interviews, diagnostics and general conversations about the trade.
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Episodes
The Basics of Moving Heat
September 22, 2016 20:00 - 44 minutes - 60.8 MBThis episode is to help those techs new to the trade who never had a good grasp on thermodynamics as well as more seasoned techs who want a quick refresher.
Why a TXV instead of a TEV?.. or a CSV?
September 16, 2016 20:13 - 45 minutes - 36.3 MBIn this episode of HVAC School, Bryan talks to Leslie about the deceptive TXV. Thermostatic expansion valves, also known as TXVs or TEVs, are metering devices that maintain superheat. They contain an external equalizer. External equalizers give the pressure reading that you would normally take with a suction gauge at the end of the evaporator coil. They supply the closing force to the TXV. TXVs also contain a sensing bulb. The sensing bulb picks up the superheat on the suction line. When...