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Welcome to energywise

Energywise is located in Ronkonkoma, Long Island, and has been serving our loyal customers in Nassau and Suffolk counties for over 30 years. We are the local leader in residential and commercial heating, air conditioning, and ventilation, due to our professionalism, skilled technicians, and high quality work. Centrally located, our highly trained and certified crews service units all over Long Island.

Our Business

We believe that our business revolves around a set of core values that keep us Long Island’s #1 Heating and AC company.

OUR VISION TO OFFER THE VERY BEST TECHNICIANS

All of our Energywise technicians are highly trained, certified, and the best in the business. We hold our technicians to a very high standard, as they represent the Energywise community and customer focused attitude.

OUR COMMITMENT TO QUALITY AND AFFORDABILITY

We pride ourselves in providing the highest quality service, repairs, and installations in the Long Island area. Our customer is the focus of our business and strive to make every customer a customer for life.

LONG-TERM VALUE

The combination of high quality parts and the best service available, leads to the success of Energywise. Our maintenance and service contracts keeps your equipment running effectively and will save you thousands in the long run.

SERVICES WE PROVIDE

Energywise provides their customers with a full suite of services. We cater to our customer’s needs, and provide high quality service in all aspects of HVAC repair and replacement. We are the only heating and cooling company you will ever need.

Residential Heating

Have faith in your heating system this winter with regular Energywise servicing. Even when the parts fail, we’re there. Invest in an energy-efficient furnace from Energywise today.

Residential Cooling

Even in the hottest, most humid summers, Energywise will have your back with our top-of-the-line A/C repair and replacement. Make sure you and your family are comfortable this summer with an annual air-conditioning tune up.

Geothermal Systems

We have qualified technicians for all of your HVAC geothermal needs. Whether it’s for service or repair, Energywise can help.

Commercial Heating

Keep your commercial location properly heated during the winter months, with the reliability and quality that Energywise offers.

Commercial Cooling

Make sure your commercial AC units are working properly. Energywise repair and servicing is what you need to keep everything working smoothly.

Mitsubishi Ductless

Our Mitsubishi Ductless units are industry leading, and offered here as an alternative to traditional units. Contact us today for more information.