Mitsubishi Electric M-Series JX 115V Heat Pump 12,000 BTU — Starting at $2,943.18 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 JX 115V Heat Pump 12,000 BTU is a wall-mounted ductless heat pump that pairs the MUZ-JX12WL outdoor condenser with the MSZ-JX12WL indoor air handler. As part of Mitsubishi Electric's JX 115V line, it plugs into a standard 115V outlet — no dedicated 230V circuit required — making it ideal for rooms where running new electrical isn't practical. Rated at 12,200 BTUH heating at 47°F and 8,600 BTUH even at 5°F, it delivers reliable comfort with a 20.0 SEER2 rating and R454B refrigerant.

In Phoenix Metro homes, a 12,000 BTU system typically covers roughly 450–550 square feet — a primary bedroom, living room, or guest suite. The inverter-driven compressor modulates capacity instead of cycling on and off, maintaining steady comfort with minimal noise. Homeowners choose this system when they want efficient heating and cooling in a mid-size room without the cost and disruption of adding a 230V circuit.

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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