New York Skyline

Roof Fan & Makeup Air Unit Repair in NYC

Fans not spinning? Loud bearings, broken belts, burned-out motors? We repair and replace roof exhaust fans, blowers, and makeup air units for apartment and multi-unit buildings across all five boroughs and Yonkers.

Stainless steel rooftop exhaust fan unit installed on a building roof

Roof Fans, Blowers & Makeup Air Units

When a roof fan or makeup air unit goes down, tenants notice fast. We diagnose it, fix it, or replace it, from a worn belt to a full new unit, and keep you updated from the first call to the finished job.

  • Roof exhaust fan repair and replacement

  • Makeup air unit and blower repair

  • Motor, belt, pulley, and bearing replacement

  • Fans not spinning, running loud, or shaking

  • Emergency calls and full unit replacements

Recent Roof Fan Work

New Roof Exhaust Fan Installed

A new downblast exhaust fan mounted on a new curb and sealed into the roof. Every fan we install carries a StoneHaul sticker, so building staff always know who to call.

Roof Turbine Ventilator

A wind-driven turbine vent, flashed and sealed into the roof. No motor and no power. It spins in the wind to pull hot, stale air out of the building.

New Exhaust Stack

A new galvanized exhaust stack with a rain cap and bird screen to keep out water and pests. The base is wrapped and sealed.