HVAC & Mechanical Systems — Coordinated Across Brooklyn, NYC

Licensed & Insured | GC LIC #626285

Heating, Cooling & Ventilation — Properly Installed, Properly Managed.

Brooklyn HVAC and mechanical systems demand licensed coordination, proper installation, and a contractor who understands the unique heating and cooling challenges of New York City buildings. Hattan Contracting coordinates licensed HVAC and mechanical professionals for residential and commercial properties across every Brooklyn neighborhood — from boiler replacements in landmark Park Slope brownstones to ductless mini-split installations in Williamsburg lofts, PTAC repairs in Brooklyn Heights high-rises, and building-wide HVAC overhauls in Bushwick multi-family buildings.

From emergency heating failures in the middle of winter to planned cooling system upgrades, we manage scope, scheduling, and execution so your HVAC and mechanical systems get installed and serviced properly, efficiently, and in full compliance with New York City mechanical codes.

What We Coordinate

Brooklyn HVAC & Mechanical Services

  • Boiler replacements and repairs

  • PTAC installation and PTAC repair Brooklyn

  • Ductless mini-split installation

  • Central air and cooling system installations

  • Heat pump installation and repair

  • VRF / VRV system installation

  • Window AC installation

  • Rooftop unit installation and repair

  • Ductwork installation and replacement

  • Ventilation and exhaust system upgrades

  • Air duct cleaning

  • Furnace repair and replacement

  • Heating system maintenance

  • Indoor air quality systems

  • Emergency heating and cooling response

  • Building-wide HVAC overhauls

  • Energy efficiency upgrades

Licensed HVAC Coordination Across Every Brooklyn Neighborhood

Brooklyn HVAC work demands experienced coordination and licensed execution. From boiler systems in pre-war Park Slope and Carroll Gardens brownstones to ductless mini-splits in gut-renovated Bed-Stuy apartments, PTAC units in Brooklyn Heights co-ops, and VRF systems in Williamsburg commercial build-outs — Hattan Contracting coordinates licensed mechanical professionals and delivers organized, code-compliant HVAC project management across all of Brooklyn.

New York City HVAC and mechanical work demands precision, licensing, and accountability. Hattan Contracting delivers all three — on every job, across every neighborhood, start to finish.

We serve all Brooklyn neighborhoods including Park Slope, Williamsburg, DUMBO, Brooklyn Heights, Cobble Hill, Carroll Gardens, Red Hook, Sunset Park, Bay Ridge, Bensonhurst, Flatbush, Crown Heights, Prospect Heights, Bed-Stuy, Bushwick, Greenpoint, Ridgewood, Borough Park, Sheepshead Bay, Canarsie, East Flatbush, Flatlands, Marine Park, Mill Basin, Gravesend, Coney Island, Brighton Beach, Manhattan Beach, and Downtown Brooklyn.

Licensed & Insured | GC LIC #626285

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