HVAC Service & Central Air Specialists

  • David A.

    Project: Install Natural Gas or Propane Furnace / Forced Air Heating System Flex air gave me the best quote of the 4 I received for the job. They provided a name brand... read more

    Heather M.

    EXCELLENT! This company has been amazing to work with. Very Professional and quick service. I would highly recommend them.

    Nicole C.

    Project: Install new furnace and air conditioning units They installed a new furnace and air conditioning units and did a good job. We noticed a small problem and... read more

  • Naveed S.

    Project: Install or Replace a Boiler or Radiator Heating System These guys got my 1950's boiler out of the basement and installed a brand new gas boiler along with 80'... read more

    Michael B.
    - Facebook

    Project: Installation Couldn't be happier with the installation. Quick, efficient and timely. They were affable and did what was scheduled to be... read more

Heating Services

Your home heating system is responsible for warming the air and delivering it throughout your home. You can rely on our HVAC team to keep your house’s heating system in top shape for the long, cold winter months of New York. We offer 24-hour emergency service to give your family peace of mind, should your system break down.

Heating Repairs

AC
Services

It’s essential to maintain your air conditioning system properly, so it runs at peak performance when you need it most. For a small cost upfront, you can save yourself from expensive repairs down the road. For instance, repairing a small refrigerant leak is an inexpensive fix. However, buying a new compressor due to low refrigerant levels could cost you a thousand dollars or more.
AC Repairs

Hot Water Services

Flex Air Heating & Air Conditioning can keep your hot water hot by servicing and repairing your hot water system. Whether tuning up your furnace and hot water system to keep it performing properly, installing a new high efficiency hot water heater or helping you out during an untimely breakdown, Richard’s team will be there for you and your family.

Hot Water Repairs

Furnace Cleaning

It’s important to keep your boiler running at peak performance and that can be achieved by furnace cleanings performed by Flex Air. Filters, strainers, nozzles and oil lines throughout the system can be obstructed due to the sludging properties of home heating oil. Don’t be fooled into thinking just because your system is running, it’s running.

Boiler Cleaning

Commercial & Residential
HVAC Services

Flex Air is a family-owned, committed business, with decades of experience. Our company is based on two principles: quality of work and satisfaction of our customers. We treat all our customers like Family!

Keith Sandie

Keith Sandie

Owner and Operator

Long Island's Best Experts in Heating and Air-Conditioning•  Ranked #1 HVAC Services•  Best HVAC on Long Island

FROM OUR FAMILY TO YOURS

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Keith Sandie Experts

We take a scientific approach to home improvement.  Our certified staff provides a detailed analysis of your home’s energy performance and provides a sustainable energy solution guaranteed to make your home healthier, increase comfort levels and save you money on your utility bills.

We proudly install and service environmentally-friendly, high efficiency heating equipment that can reduce your fuel costs by up to 40%. Convert from oil to gas to maximize your savings or upgrade your equipment to heat your home at half the cost!

CALL FLEX AIR

Commercial & Residential HVAC Services

Our HVAC service and installation teams are available to answer your questions! Call Flex Air At 631-412-5693

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