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HVAC Long Island: Residential Heating Service Experts

We know how cold it gets in the Long Island region, so finding reliable HVAC Long Island experts that you can trust shouldn’t be a difficult task. With Energywise you get quality services, and affordability that you can trust. Get in touch and let us help you going forward.

We have built a solid reputation bearing 33 years of experience servicing the Suffolk and Nassau Counties in Long Island. Together with our team of highly skilled technicians we strive to bring all our clients quality workmanship and services that they can trust.

Our guaranteed heating service long island you can rely on

At Energywise, we bring you a reputable portfolio of experience over a variety of HVAC systems. We invest in quality equipment and ensure that all our team members are qualified and skilled to do the various maintenance, installations and repairs of our quality heating systems.

We specialize in a number of heating systems to suit you and your family, from boiler heating systems and oil furnaces to central heating and geothermal systems.

No matter what your preference, we can help you get it done, and will also suggest the best HVAC system to benefit your home and budget facilities.

Our heating system repair technicians are highly specialized in the industry. Not only do they endeavour to make your home cozy and warm during the winter seasons, but also to keep your home safe by utilising quality materials and equipment.

Our heating systems and advice can help you live more efficient by saving up to 55% off electricity bills due to energy efficiency. Our energy saving heating systems are reliable, and robust, plus with regular maintenance you can enjoy the use of your home heating for years to come.

We offer a lifetime guarantee on most of our heating products. As we put our customers first we ensure that you receive quality advice to benefit you and your family as well as your pocket at the end of the day.

Wise heating service that lasts

Being able to install any HVAC system will require maintenance and working out the best options with our clients has made it beneficial for many families. By regularly maintaining your heating system, you enhance the lifespan of parts and the system as a whole.

Regular upkeep also ensures that you enjoy a much better cost effective solution to your heating needs. Overtime you’ll save because it’ll require less part replacements and even more so having to replace an entire system.

With our heating system service, you can rest assured that you’ll be getting the best because we only make use of quality parts and equipment to guarantee our workmanship as well as the lifespan of the system.

We want to help you get the best out of your HVAC systems in Long Island, so let us help you whether you need air conditioning, heating or geothermal solutions, we can assist you.

Get the best in quality heating service Long Island has to offer at affordable prices with Energywise. For more information about how we can assist you with our comprehensive heating solutions, contact us today!

Friendly & Professional Staff

We are a Diamond dealer for Mitsubishi

24-hour Emergency Service.

Maintenance Contracts Available

BPI certified, NATE Certified, LIPA Cool Homes Participant and certified.

Manufacturer’s Warranty

Our Residential Heating Services Include


Call our service technicians to help you with any heating problem in your home. We’ll give you a professional fix quickly and effectively.


If your unit can’t be repaired, all of our trained service technicians will be able to replace it with a new, functioning unit.

Furnace maintenance

Give us a call to have your furnace regularly serviced or repaired. Having your system serviced regularly can help you save money in the long run.

Heat pump repair and replacement

Our technicians will fix or replace your home heat pumps. Contact us now for an estimate.

Boiler repair and replacement

Our technicians also repair and replace household boilers with quality parts. Contact us now for more information.

Gas furnaces, electric furnaces

Problem with your furnace? We’ll send a technician over for repair or replacement of any nonfunctioning parts.

Hot water and steam boilers

Energywise technicians can diagnose and fix any hot water and steam boiler issues in a timely manner. Contact us for a quote today.


Energywise can help you with your broken humidifier, contact us today!

Ductless heating units

Energywise will repair or replace your unit with one of our top of the line Mitsubishi ductless units. Just contat us today!

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