HVAC Contractors in New York

HVAC contractors install, repair and maintain the heating, ventilation and air conditioning equipment that keeps your home comfortable. They work on furnaces, air conditioners, ductwork, thermostats and ventilation, and help size replacement systems.

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Common HVAC services include:

  • Furnace and air conditioner repair
  • Seasonal tune-ups and maintenance plans
  • Replacing furnaces, AC units and air handlers
  • Ductwork repair, sealing and installation
  • Thermostat and ventilation upgrades

Call an HVAC contractor when your system stops heating or cooling, runs constantly, makes new noises, or your energy bills jump. Heat pump installation and air duct cleaning also have their own categories.

Top Professionals near New York

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Albany Mechanical Services Inc.
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Green Island, NY HVAC Contractors

When comfort drops suddenly, a clear path from diagnosis to fix can make all the difference. In Green Island, NY , Albany Mechanical Services Inc. supports homeowners and small businesses with step-by-step service focused on safety, efficiency, and clear communication. A technician can start with system checks, thermostat settings, and airflow measurements to pinpoint what’s wrong, then address urgent needs like ac repair to get cooling back on track. If it’s time to update equipment, heat pump installation can offer both heating and cooling in one system, which is useful for tight mechanical spaces or homes looking to streamline energy use. Service visits may also include coil cleaning, refrigerant assessments, and control calibrations to help prevent repeat issues. For properties that run year-round—shops, offices, or rental units—planned maintenance around the shoulder seasons helps reduce downtime. Appointments are arranged to fit daily routines, and follow-up notes outline what was found, what was done, and what to watch next.

AVANT HEATING & COOLING SERVICES
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Mount Vernon, NY HVAC Contractors

AVANT HEATING & COOLING SERVICES is a professional HVAC contractor located in Vernon, NY, providing services for residential and commercial properties. We specialize in boiler, water heater, furnace, condenser installation and repair services. Additionally, we offer duct, coil cleaning and repair services. Our certified technicians install and service each system according to manufacturer specifications and local regulations, helping maintain efficiency and reliable performance from day one. Contact us today for HVAC services!

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Jen Air Inc.
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Bohemia, NY HVAC Contractors

Efficient heating and cooling starts with the right system match, proper setup, and routine checkups. A qualified team can evaluate building size, insulation, and vent layout to tune performance while keeping energy use in mind. Full-system hvac service typically includes seasonal inspections, cleaning of indoor and outdoor units, and testing of safety controls. Many property owners consider heat pump installation to balance year-round comfort with steady operation; correct sizing, refrigerant charging, and thermostat calibration are key to good results. Ductless Mini Split options may fit rooms without existing ductwork, while Indoor Air Quality solutions can target allergens and stale air. For businesses, Commercial HVAC care focuses on uptime and consistent temperatures for staff and customers. Coordinated maintenance can also cover Water Heaters and Generator Repair so critical systems are ready during outages. Residents and facility managers in Bohemia, NY can expect clear timelines, tidy work areas, and post-service guidance from Jen Air Inc. to help keep equipment running as intended.

212 HVAC Brooklyn
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Brooklyn, NY HVAC Contractors

212 HVAC is a New York City–based heating, ventilation, and air conditioning company that provides residential and commercial HVAC installation, repair, and maintenance services, including furnace and heat pump work, central air and ductless mini-split systems, packaged rooftop units, air duct cleaning, and emergency 24-hour support; 212 HVAC operates as a licensed and insured contractor focused on modernizing older homes, improving energy efficiency and indoor comfort, handling warranty claims and financing options, and serving NYC from offices in Brooklyn and Manhattan with a stated commitment to honesty, quality, innovation, and community service.

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Adema Heating & Air Conditioning Inc
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Buffalo, NY HVAC Contractors

Adema Heating & Air Conditioning is a multi-generation, Western New York HVAC company (in operation since 1873) that specializes in heating, cooling, ductless systems, hot water, standby generators, indoor air quality, commercial solutions and repair services with particular expertise in historic homes. Adema Heating & Air Conditioning focuses on providing skilled, honest service through experienced technicians, offers energy-efficient upgrades and financing/rebate guidance, and is committed to maintaining comfort for residential and commercial clients across the Buffalo area while upholding a long family-owned tradition of customer service.

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American HVAC Corp – Top HVAC Contractor NYC
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New York, NY HVAC Contractors

American HVAC Corp is a New York City HVAC contractor that provides repair, installation, maintenance, service contracts and new-construction HVAC services for residential and commercial clients; American HVAC Corp employs EPA- and NATE-accredited technicians, serves all five boroughs and parts of New Jersey from its Queens office at 4700 Northern Blvd #22, focuses on fast, professional and code-compliant solutions for industries such as hospitals, hotels, luxury high-rises, restaurants and retail, and positions the company as a community-focused provider committed to quality, innovation and reliable customer service.

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Arnica Heating and Air Conditioning Inc
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New York, NY HVAC Contractors

Arnica Heating and Air Conditioning is a New York City HVAC contractor serving Brooklyn, Queens, Manhattan and Staten Island that provides residential and commercial heating and cooling solutions including installation, repair, maintenance, ductless systems, indoor air quality services and commercial HVAC work; Arnica Heating and Air Conditioning positions the company as a full-service provider with licensed and certified technicians, financing options, multi-location coverage, manufacturer authorizations (including Mitsubishi Elite Diamond Contractor status) and participation in utility rebate programs to help customers access incentives, and the company emphasizes prompt, on-time service, warranties and customer satisfaction across its NYC service area.

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Climate Diagnostics
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Buffalo, NY HVAC Contractors

Climate Diagnostics LLC is a Buffalo-based residential and commercial heating and cooling company founded by Brian Lorek that provides HVAC design, installation, repair, duct repair, indoor air quality solutions, and maintenance services across Erie County. Climate Diagnostics LLC aims to deliver high-quality heating and cooling systems at competitive prices while keeping jobsites neat and providing transparent, customer-focused service; the company emphasizes experienced technical staff (25+ years combined experience), a one-year labor warranty on installations, money-saving service and maintenance contracts, and authorized-dealer partnerships with brands such as RUUD and Mitsubishi.

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HVAC Specialist NYC
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New York, NY HVAC Contractors

HVAC Specialist NYC is a family-owned heating, ventilation and air conditioning contractor serving New York City, Long Island, New Jersey, Connecticut and Westchester that offers a full range of residential and commercial HVAC services including PTAC, through-the-wall and window unit sales and installation, PTAC repair and maintenance, central air and ductless mini-split installation, air duct cleaning, steam cleaning, winter storage, portable/spot cooler rentals and service contracts. HVAC Specialist NYC emphasizes certified and factory-trained technicians, preventive maintenance plans, upfront pricing and 24/7 emergency response to keep systems efficient and reliable, and the company positions itself as a trusted local provider for complex commercial cooling needs as well as routine residential tune-ups and repairs.

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Isaac Heating and Air Conditioning
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Buffalo, NY HVAC Contractors

Isaac Heating & Air Conditioning is a family-owned full-service HVAC, plumbing, electrical, insulation, and commercial services company serving multiple regions across New York (Rochester, Canandaigua, Avon, Twin Tiers, Syracuse, and Buffalo). Isaac Heating & Air Conditioning provides installation, repair, and maintenance for heating and cooling systems (furnaces, boilers, heat pumps, central and ductless AC), plumbing services (drains, sewer repair, water heaters, sump pumps, leak detection), electrical work (repairs, panels, generators, lighting), insulation and air-sealing, and commercial HVAC solutions, backed by licensed technicians, 24-hour emergency service, membership/care plans, financing options, and a focus on responsive, transparent customer service and community-oriented support.

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Heating and Air Conditioning Questions and Answers

What does an HVAC contractor do?

An HVAC contractor installs, repairs and maintains heating and cooling systems, including furnaces, air conditioners, air handlers, ductwork and thermostats. They diagnose problems, perform seasonal maintenance and size replacement equipment for the home.

When should I repair or replace my heating or cooling system?

Repairs often make sense for a newer system with a single failed part. Replacement is worth discussing when equipment is older, needs frequent repairs, uses a phased-out refrigerant, or no longer keeps the home comfortable. Ask the contractor to compare both options in writing.

How do I choose an HVAC contractor?

Look for a contractor who performs a load calculation before recommending new equipment, explains options clearly and provides written estimates and warranty terms. Ask whether technicians who handle refrigerant hold EPA Section 608 certification and whether local licensing or permits apply.

What affects the cost of HVAC work?

Repair costs depend on the part and diagnostic time. Replacement depends on equipment type, capacity and efficiency, ductwork changes, electrical or gas work, and local permit requirements. Maintenance plans, rebates and the season you schedule in can also affect the total.

How should I prepare for an HVAC service visit?

Clear access to the furnace or air handler, the outdoor unit and the thermostat, and replace or check the air filter if you can. Note what the system is doing, such as noises, short cycling or uneven temperatures, and when the problem started.