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Frost Proof Flare Nuts Required!
No Bubbles, No Troubles!
How do You Test a TXV?
DIY Ductless: Which side are you on?
Do you make this mistake on Maintenance?
The Basics : Superheat
The Enthalpy Method
Diagnosing Bypass Air
Triple Evacuation vs. Deep Vacuum Method
Diagnosing Improper Fixed Orifice Sizes
Correctly Sizing a Capacitor
Energy Efficiency Ratio (EER)
Non-Condensables? Are you sure?
TXV Hunting Season
Dirty Socks in the Attic?
Sleep through the Static
Mold in a Ductless Heat Pump?