Experts in All Kinds of HVAC Work

KDK Mechanical Inc. Middle Island, NY specializes in increasing energy efficiency, maximizing comfort and improving indoor air quality. Regardless of how simple or complicated the task is, we handle it with the same kind of attention to detail and care. We always carry a number of parts to ensure that the repair is completed quickly. In addition, our preventive maintenance will ensure that your equipment runs efficiently for years to come.


Air conditioner with clouds We Offer the Following Services:

  • Air and Water Balance

  • Building Energy Analysis

  • Duct Fabrication

  • Equipment Inspections

  • Equipment Replacement and Installation

  • Maintenance Agreements

  • Service and Troubleshooting

  • System Design for Air and Hydronic


Hot water heater We Service the Following Equipment and Systems:

  • Air Conditioners

  • Boilers for Heating

  • Boilers for Pools

  • Cooling Towers

  • De-Humidifiers

  • Electric Furnaces

  • Evaporative Coolers

  • Gas Furnaces

  • Heat Pumps (Air and Geothermal or Water Source)

  • Humidifiers

  • Indoor air quality systems

  • In-Floor Systems (Radiant)

  • Oil Furnaces

  • Zoning


Man working on the motor Brands We Provide for Your HVAC Needs:

  • Carrier

  • Friedrich

  • Honeywell

  • Lennox

  • Rheem

  • Ruud

  • Trane

  • White-Rodgers

  • York


Contact Us

Contact us today to get your HVAC system fixed as soon as possible. Mention this website and receive 10% off your first service call. We also offer 10% military discounts.