Mechanisms — HVAC

Recent Blogs

Gas Furnace diagram
Gas Furnace

Posted by Robbie Dickson on

How a Gas Furnace works — burner, heat exchanger, blower, sizing math, BTU/hr calculations, and real residential and industrial examples from FIRGELLI.
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Solenoid Electric Fan diagram
Solenoid Electric Fan

Posted by Robbie Dickson on

Solenoid electric fans use a coil-and-armature pulse to drive blades for ventilation in HVAC, automotive cooling, and industrial enclosure applications.
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Torch Soldering Copper diagram
Torch Soldering Copper

Posted by Robbie Dickson on

Torch soldering copper explained — how plumbers and HVAC fitters use propane and MAPP flames to sweat copper joints at 230°C with capillary tin-lead or...
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