Top Rated Heating & Air Conditioning Contractors Serving Nassau County, NY
Last Updated May 15, 2026
1758 Review Ratings and 3 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
MKC Plumbing & Heating
MKC Plumbing & Heating provides a wide range of heating and air conditioning services for residential and commercial clients throughout Nassau County. The company has the in-house capabilities to handle everything from thermostat installations and HVAC upgrades to ductless heating and cooling systems and heat pump repairs, and its technicians prioritize customer satisfaction in every aspect of their work.
Services
Heating & Air conditioning Contractors including heating, ac tune ups, heat pump repair, air conditioner repair, mini splits, bathtub repair and faucet repair.
Coverage Areas
The New York City Area, including Nassau County—key cities including Elmont, New Hyde Park, Port Washington, Great Neck, Mineola, Floral Park, Inwood, Manhasset, Albertson and Franklin Square.
- 421 Hendrickson Ave
- Valley Stream, NY 11580
V Vota Mechanical, Inc.
V Vota Mechanical, Inc. provides a wide range of heating and air conditioning services for residential and commercial clients throughout Nassau County. The company has the in-house capabilities to handle everything from water heater repairs and thermostat installations to seasonal tune-ups and HVAC upgrades, and its technicians prioritize customer satisfaction in every aspect of their work.
Services
Heating & Air conditioning Contractors including hvac installation, ductless heating and cooling systems, furnace repair, heat pump repair, air conditioning and water heater installation.
Coverage Areas
The New York City Area, including Nassau County—key cities including Mineola, Albertson, Inwood, Great Neck, New Hyde Park, Manhasset, Port Washington, Franklin Square, Floral Park and Elmont.
- 37 Dalton St
- Long Beach, NY 11561
Family Fuel & Heating Service
Family Fuel & Heating Service offers heating and air conditioning services to residential and commercial clients in Nassau County. The company handles everything from HVAC installations and air conditioner repairs to zoning system installations and heat pump repairs, and its employees focus on delivering first-rate workmanship on each job.
Services
Heating & Air conditioning Contractors including air conditioner repair, hvac replacement, hvac installation, water heater repair, commercial air conditioning and heating oil supplier.
Coverage Areas
The New York City Area, including Nassau County—key cities including Port Washington, Mineola, Floral Park, New Hyde Park, Great Neck, Manhasset, Franklin Square, Elmont, Inwood and Albertson.
- 217A Sunrise Hwy
- Rockville Centre, NY 11570
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
Meet or exceed a
ONE AllRatings star score of 4.5.
Indicates the final super-composite calculation of all reviews scores from all sources, optimized for accuracy and recency.
Read ONE AllRatings methodologyRating Step 2 = License
Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
Meet our research specialist team
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