DIY 36,000 BTU Ductless Heat Pump 3 Zone Wall Mounted 9,000+9,000+24,000 with 16FT Install Kit 230-Volt/60Hz | HVACDirect.com
Amazon.com: Klimaire DIY 12,000 BTU 19 SEER Mini Split Heat Pump Air Conditioner w/ 25-ft Pre-Charged Quick-Connect Installation Kit - 230V : Home & Kitchen
MRCOOL DIY Universal 24000 BTU 20 SEER R410A Split System Heat Pump with 35 ft. NoVac Install Kit and 8kW HeatKit -208/230-Volt MDHP1824NK35H08 - The Home Depot
DIY Heat Pump from an old Fridge - YouTube
Geothermal Kits, DIY Geothermal, Geothermal Systems - 123 Zero Energy