Opening Time: Sunday to Thursday


GM Enertech Corp believes in providing high-quality HVAC services to our residential customers with a 100% customer satisfaction guarantee. We go above and beyond to meet your expectations.

Our team of factory-trained technicians is expert at providing professional air conditioning and heating services.

Our goal is to provide comforting services to everyone to get an excellent relaxing experience at very reasonable prices.


At GM Enertech Corp, we recognize the significance of a reliable heating system in the cold and snowy winters of Longs Island, New York. GM Enertech Corp is here to accomplish all these goals with our trusted heater repair/replacement, installation, and maintenance services.

We have an expansive network of HVAC service professionals around the country – the experience we gain from our extended service area network allows us to provide optimal care to our customers.

Heater Repair/Replacement

We have an expansive network of residential/commercial HVAC service professionals around the country – the experience we gain from our expansive service area network allows us to provide optimal care to our customers. Each of our heating service locations is independently operated and owned, so you can be sure that your service provider is backed with industry-wide local knowledge and essential resources to complete the job correctly. With 100% guaranteed customer service, ongoing staff training, and well-stocked service vehicles, you lose nothing by calling us immediately.

Heater Installation

Enjoy Cold, Cozy Nights in Your Warm House!

Looking to get a new heater installed in your residential space? WAIT! Before moving further, it is best to find the perfect heating unit for your place. There is no one-size-fits-all heating solution to your heating needs – it is essential to consult the pros to get your heater installation work completed.

Thanks to our years of experience and industry-wide knowledge, we know which heating unit will work best for your residential space.

Heater Maintenance

People usually rely on heaters to get their home spaces filled with warmth and coziness. However, the seemingly chilly nights may cause your heating systems to fail. Residential clients may be forced to pay hefty amounts for heating unit replacement/repairs. One of the best practices to prevent these challenges is through regular maintenance and upkeep of your heating units.

Our heating unit maintenance plans offer a yearly tune-up to ensure your systems work as efficiently as possible.

Call us today and schedule an appointment – (516) 373-8759.


Furnace Maintenance

A properly working furnace keeps the energy bills low – furnace units sourced from trusted suppliers eliminate the hassle of untimely breakdowns. GM Enertech Corp is your trusted HVAC system maintenance, repair, cleaning, and inspection service customized to keep your systems running without any problem.

Furnace Replacement

A properly functioning furnace system is essential to keep your loved ones warm in the winter season. If your furnace is suffering from a fritz, it is best to get in touch with our team.

No matter what furnace efficiency rating, type, or brand you have installed at your residential/commercial spaces, our team can seamlessly remove your old furnace unit, help you select one matching all your needs, and install it professionally.

Operating across the US, especially the Longs Island area, the GM Enertech Corp technicians are always here to resolve all your furnace-related problems.

Let us hear your problems, we can provide you the best furnace replacement services in the country!

Furnace Repair

With the first snowfall, your furnace stops heating your home – what to do? How is our savior in this cold? Your residential space has turned into an icebox – you are forced to wear warm clothes and gloves indoor to keep yourself warm.

You need emergency repairs done to your furnace fast – who can help you!

From emergency furnace repair services to scheduled maintenance or inspection, the experts at GM Enertech Corp are here to serve you! Do not let a malfunctioning heating unit keep your loved ones stranded in the cold night.

Call us today and schedule an appointment – (516) 373-8759.


A healthy and working air conditioner is indeed a blessing to beat the heat in Longs Island’s scorching temperatures in summers. It provides relief from extreme heat and allows you and your beloved ones to relax in a cool atmosphere.

With our reliable air conditioning services, our residential customers can enjoy a relaxed and comfortable indoor stay!

AC Installation & Replacement

A home is where everyone lives happily at maximum comfort. Your home should offer a pleasing living experience every time you enter during the hot summer days. Let’s help you make every space the way you want it.

GM Enertech Corp is available at your service – keeping your residential spaces comfortable like never before.

Our pros will install the best air conditioning units that will give you a cool atmosphere to relax in your room for many years to come!

AC Repair

It becomes difficult to spend summer days with an air conditioner that is malfunctioning. When the temperatures are at rise and your bedroom or the living room is hot because of a faulty AC, it’s time you get the necessary AC repairs from a professional technician. GM Enertech Corp has a team of experts who will breathe a new life in your unit to ensure your place stays cool. We will help you with all your AC issues efficiently and timely.

AC Maintenance

Many home comfort service providers offer to sign up for regular check-ups to avoid AC repairs and replacement. When your AC undergoes regular and comprehensive maintenance, it never makes you suffer and keeps functioning well.

At GM Enertech Corp, we offer a broad range of regular maintenance plans that fit your needs, preferences, and budgets.

Call us today and schedule an appointment – (516) 373-8759