Quality HVAC technicians know that HVAC systems don't generate cold energy; they move heat from one place to another. But how does this work?
What Is a Heat Pump?, How Does a Heat Pump Work?
Hacking Daikin split type air conditioner into air-to-water type heat pump – Martin's corner on the web
What's a Cracked Heat Exchanger and Why Should I Care? - A/C Masters Heating & Air Conditioning Inc.
Plate Heat Exchanger Applications and working principle hvac heat transfer
HVAC Heat Exchangers Explained - The Engineering Mindset
Heat Exchangers in the HVAC/R Sector
Furnace Heat Exchanger: Where Is It and What Does It Do? - Sun Aire Comfort Systems
Heating, Ventilation and Air Conditioning (HVAC)
Heat Exchanger Coil for Air Conditioner HVAC Refrigerator Heat Exchanger Coil - China Water Temperature Control Heat Exchanger, Commercial Pure Titanium
Air-to-Water Heat Exchangers