Everything I Learned Installing a MRCOOL Heat Pump Myself — Saved $10,000 and Passed City Inspection скачать в хорошем качестве

Everything I Learned Installing a MRCOOL Heat Pump Myself — Saved $10,000 and Passed City Inspection

I installed a full 2.5-ton MRCOOL centrally ducted heat pump HVAC system myself, saved over $10,000 in labor, and the entire project passed my city inspection on the first attempt. In this video, I walk through everything I learned during the installation, including electrical work, ductwork, condensate management, and routing the lineset in a way that meets code. What This Video Covers Building the return plenum and framing to support an upflow air handler Installing float switches and running 3/4" PVC condensate drain lines Running 18/7 thermostat wire and 18/2 shielded communication wire, following MRCOOL specifications for AHU to ODU communication Wiring the air handler with a dedicated 15A two-pole breaker, EMT conduit, and a two-pole service switch Insulating and installing the AC lineset using MRCOOL Quick Connect precharged fittings Setting up the 30A two-pole circuit, whip, and non-fused disconnect for the outdoor condenser Creating a clean, code-compliant penetration through stucco using a 4" PVC sleeve and exterior vent hood to protect the lineset and communication wire while keeping water away from the framing and foundation Key details and best practices that helped this DIY project pass city inspection Why I Chose MRCOOL The Quick Connect line set fittings eliminate the need for refrigerant handling, vacuum pumps, and brazing, making this system one of the few truly DIY-friendly ducted heat pump options. For Anyone Planning a DIY HVAC Install I share the practical lessons, the mistakes to avoid, and the specific steps the inspector checked so you can better prepare for your own installation and avoid common code issues.