VRF Installation Is Not Generic HVAC Work
Installing a VRF system is fundamentally different from installing a conventional split system or packaged rooftop unit. The refrigerant piping design is critical: pipe sizing, branch configurations, oil return considerations, and total equivalent piping length all affect system performance. A VRF installation done wrong will never perform right, regardless of how much service is thrown at it later.
In Manhattan, installation complexity multiplies. Rooftop crane access for outdoor units may require DOT street closure permits. Piping runs through risers need to be coordinated with other trades. Noise requirements in luxury residential buildings dictate outdoor unit placement and vibration isolation. Building management wants BMS integration on day one.
Mountain Mechanical handles VRF installation from system selection through final commissioning. We work with your engineer on design review, we manage the installation with our own self-performing crews, and we commission every system with manufacturer-specific tools to verify performance before handoff.
Our Installation Process
Design Review
We review the engineer’s VRF design for piping layout, equipment selection, and capacity calculations. We flag potential issues before a single pipe is brazed.
Equipment Procurement
Direct relationships with Daikin, Mitsubishi, LG, Fujitsu, and Samsung distributors. We source equipment at contractor pricing and manage lead times.
Rigging & Placement
Outdoor unit rigging, crane coordination, DOT permits, and rooftop placement. We handle the logistics that make Manhattan installations uniquely complex.
Piping & Wiring
Self-performed refrigerant piping, brazing, pressure testing, and communication wiring. Our crews do not subcontract critical path work.
Commissioning
Factory-spec startup using manufacturer diagnostic tools. Refrigerant charge verification, communication bus testing, zone-by-zone performance validation.
Documentation & Training
As-built drawings, commissioning reports, and building staff training on system operation and basic troubleshooting.
Planning a VRF Installation?
Contact Mountain Mechanical early in the design process. The earlier we are involved, the better the installation outcome.

