Mitsubishi Electric M-Series GX Standard Heat Pump 12,000 BTU — Starting at $3,844.04 Installed

Installed Starting Price

Installed starting price includes equipment, mounting pad, disconnect box with up to 20 ft of electrical in 1/2-inch EMT conduit, and lineset covers. Sales tax not included on estimate — added on invoice after acceptance.

Installed starting prices are subject to change based on electrical distance, line set length, routing, condensate pump needs, wall brackets, special access, HOA requirements, equipment availability, and site-specific conditions. Final price confirmed after on-site evaluation.

Why This System

The Mitsubishi Electric M-Series GX Standard Heat Pump 12,000 BTU is a wall-mounted ductless system that pairs the MUZ-GX12NL outdoor condenser with the MSZ-GX12NL indoor air handler to deliver both heating and cooling from one compact unit. With a 25.6 SEER2 rating and R454B refrigerant, it's built for efficient, quiet operation in Arizona's desert climate.

In Phoenix Metro homes, a 12,000 BTU system typically covers roughly 450–550 square feet — making it a strong fit for a large bedroom, living room, or open-concept space. The inverter-driven compressor modulates capacity instead of cycling on and off, which means steadier temperatures and less wear during long summer runtimes. Homeowners choose this system when they need more cooling than a 9,000 BTU unit but still want the simplicity of a single-zone ductless setup.

Sapper HVAC is veteran-owned, ROC #360142 licensed, and insured — every Mitsubishi installation starts with an on-site sizing review so the system fits the space, not just the budget.

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