Serving the Suffolk and Nassau, NY Areas

Residential Heating Services, HVAC

Energywise Inc.

Energywise has been providing professional residential heating services to the Suffolk and Nassau, NY areas for over 25 years. If your existing heating system is over 15 years old, you can save up to 55% on your energy bills by replacing it with a new Energywise system. Some of our systems come with a lifetime warranty. We provide installation, maintenance and repairs on most heating systems.

Our Residential Heating Services Include:

  • Repairs
  • Replacements
  • Furnace maintenance
  • Heat pump repair and replacement
  • Boiler repair and replacement
  • Gas furnaces, electric furnaces
  • Hot water and steam boilers
  • Humidifiers
  • Ductless heating units

Our friendly and professional staff is here to answer any questions you may have about our company or our services.  Our commitment to excellence is in every aspect of our business.  We pride ourselves on providing homeowners in our community with excellent customer service along with our dependable heating units.  All of our units come with a manufacturer's warranty, and we offer 24 hour emergency service.

*Maintenance contracts available

BPI certified, NATE Certified, LIPA Cool Homes Participant and certified. We are a Diamond dealer for Mitsubishi

Call Energywise today at 800-287-4720 to schedule an appointment. If you have any other questions or comments, please contact us.

Call 800-287-4720

Why Choose Us?

✔ Available 24/7
✔ Service In Hours, Not Days
✔ Free Estimates - New System
✔ 90 Day Labor Guarantee
✔ Service Contracts Available
✔ Repair On All Makes & Models


Energywise Inc.
Up To $1500 Rebate

On High Efficiency Air Conditioners With ECM Furnace Installation.
$1000 Early Retirement Rebates
For Central Air

A+ Rating With BBB. Licensed & Insured

Cooling - Nassau County, NY - Energywise Inc. - residential services Energywise Inc
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