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Professional & Reliable Service

Look no further than Mendenhall Fuel Inc. for all of your fuel delivery needs as well as home heating and cooling services.

At Mendenhall Fuel we focus on selling, installing, and servicing new goods and equipment to not only make heating more efficient, but all forms of air conditioning, including cooling, humidification, and air cleaning.

Mendenhall Fuel's Technicians are continually training in home heating oil, propane, and natural gas servicing.

Service Request

We've been providing quality service to areas around Long Island NY for over 80+ years including Amagansett, Bridgehampton, Brookhaven, Center Moriches, East Hampton, East Moriches, East Patchogue, Farmingville, Fire Island, Fort Salonga, Greenlawn, Greenport, Hampton Bays, Hauppauge, Holtsville, Huntington, Islandia, Islip, Jamesport, Lake Grove, Lindenhurst, Manorville, Mastic, Melville, Middle Island, Miller Place, Mount Sinai, Nissequogue, North Bayshore, North Haven, Northport, Noyac, Oakdale, Ocean Beach, Old Field, Patchogue, Port Jefferson, Quogue, Remsenburg, Ridge, Riverhead, Rocky Point, Ronkonkoma, Sag Harbor, Sagaponack, Sayville, Selden, Setauket, Shelter Island, Shirley, Shoreham, Smithtown, Southampton, Southold, Speonk, St. James, Stony Brook, Wainscott, Watermill, Westhampton, Westhampton Beach, Wyandanch, Yaphank and so many other great towns.

Why Choose Us

24/7 Service, 365 days a Year

Our staff is on call to provide emergency service for your home or business.

Long Island's Source for Fuel Delivery

We’re proud to offer homeowners both heating oil and kerosene delivery to suit their home heating and other fueling needs.

HVAC Done Right the First Time

Heating & cooling system installations for your home or business. We install, service, and repair it all ourselves.

Services We Offer
(select a service to view more information)

Central Air Installation

Upgrading your air conditioning equipment from those bulky window and wall units to a central air conditioning system can reduce your electrical consumption up to 40%!

AC Repair/Maintenance

Air Conditioning equipment should be inspected, cleaned, and serviced at least once a year. We can repair and/or maintain your AC system to keep it running smoothly.

Air Duct Cleaning

Cleaning your Air Ducts will help reduce allergens, dust, pet dander, bacteria, pollen, mildew, mold spores, and similar toxins. Breathe easier with a clean air flow.

Refrigerant Leak Repair

If your air conditioning system is leaking refrigerant, a lot of problems in regards to performance and efficiency will arise. We can perform a maintenance check to diagnose the issue.

Fuel Delivery

We’re proud to offer homeowners both heating oil and kerosene delivery to suit their home heating and other fueling needs. Read more about the fuels we deliver.

Heating Equipment Installation

Stay warm throughout the cold Long Island winters with heating equiptment installed by Mendenhall Fuel Inc. We install the latest Oil Boilers, Oil Fired Furnaces, Water Heaters and more.

Heating Repair / Maintenance

We’re always on call at Mendenhall! If you happen to experience a no-heat emergency in the middle of a chilly night, our technicians will be there for you, 24/7/365!

Water Heaters Installation

We install Bock® Oil Fired Water Heaters as well as Phase III® Water Heaters. These quality water heaters will help you enjoy the perfect temperature shower all year round.

Heater Repair/Maintenance

No hot water? Our service technicians offer emergency service 24/7/365 so we can inspect and repair any issues you may be having with your water heater.

Schedule a Service Today!

Service Request Form

If you’re currently experiencing a no-heat emergency, please don’t use the web form. Instead, call our office directly for immediate assistance: 631-653-5000.

575 Montauk Highway East Quogue NY 11942