Fullerton garage-conversion ADU — ductless mini-split install

The problem

Inicioowner converting a 420 sq ft garage to an accessory dwelling unit (ADU). hogares de Existing HVAC didn't have capacity to serve the ADU without zoning + duct rework.

Our solution

Mitsubishi Hyper-Heat MSZ-FS09NA ductless single-zone system. Wall-mounted head + exterior condenser on engineered mounting pad. Line set routed through servicio chase to preserve exterior finish.

Outcome

ADU operational within 30 days de permit approval. Single-zone system handles 420 sq ft comfortably down to 5°F outdoor. $850 utility rebate captured.