Full-Service HVAC & Mechanical Contractor Serving NYC

Providing professional HVAC installations, custom duct fabrication, and mechanical upgrades for commercial and residential clients across Brooklyn and NYC.
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Expert HVAC & Mechanical Installations

Holmes Mechanical delivers high-quality, code-compliant installations for both commercial and residential projects. From equipment replacements to complete mechanical build-outs, we take pride in clean workmanship, reliable communication, and long-lasting results.

  • A high-resolution image depicting a modern split system air conditioning unit installed in a stylish, contemporary living room. The unit should be mounted high on a white wall, with sunlight streaming through a large window, creating a warm and inviting atmosphere. The furniture should be minimalist, with a cozy couch and a small coffee table, emphasizing a clean and comfortable environment. The overall composition should highlight the sleek design of the air conditioning unit against the backdrop of the mo
    Split systems & heat pumps
    Split systems & heat pumps
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    Ductwork fabrication
    Ductwork fabrication
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  • A realistic high-resolution close-up shot of a rooftop unit installed on a commercial building, showcasing its sleek design and robust features. The background should display a clear blue sky with a few clouds, emphasizing the unit's outdoor placement. The focus should be on the rooftop unit, highlighting its details and structure, with an emphasis on realism and clarity. The lighting should be bright and natural, capturing the essence of a sunny day.
    Rooftop units & packaged systems
    Rooftop units & packaged systems
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    Air handlers and fan coil units
    Air handlers and fan coil units
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    Chilled-water piping
    Chilled-water piping
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  • A close-up shot of a Variable Air Volume (VAV) box installation, showcasing the control box on the side. The image should highlight the round sheet metal duct entering the inlet section and the rectangular duct exiting the outlet section. The focus should be on the intricate details of the control wiring and transformer. The background should be clean and minimalistic to emphasize the VAV box and its components, with a realistic high-resolution quality.
    VAV box installation & controls
    VAV box installation & controls
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    Commercial and residential ductwork installation
    Commercial and residential ductwork installation
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    Exhaust & Air Distribution
    Exhaust & Air Distribution
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    Refrigeration piping for HVAC systems
    Refrigeration piping for HVAC systems
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Built In-House
Custom Sheet Metal Duct Fabrication

Our fabrication shop produces high-quality sheet metal ductwork with fast turnaround and precise craftsmanship. Every piece is built to project specifications and NYC mechanical code.

  • Rectangular Duct
  • Spiral/Round Duct
  • Transitions & Offsets
  • Turning Vanes & Elbows
  • Ductmate & TDC
  • Lined & Unlined Duct
  • Custom Fittings
  • Shop Drawings

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Proven Mechanical Expertise Built on Family Values
Holmes Mechanical is proud to be a family-owned and operated business. We built our reputation on honesty, quality workmanship, and dependable service. Whether we’re installing a new system or fabricating custom ductwork, we treat every project as if it were our own.

Need HVAC Repair or Maintenance?

Our dedicated service division, Holmes Mechanical Services LLC, handles all HVAC repairs, troubleshooting, and preventive maintenance for homes and businesses across NYC.

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