T.F. O'Brien has helped customers stay comfortable and safe for more than 85 years
We offer top-of-the-line automatic standby generators, which back up the circuits you choose during a power outage. They start automatically within seconds of detecting power loss, and run on your home’s existing natural gas or LP fuel supply. You’ll be able to choose a backup option from essential circuit, managed whole-house or complete whole-house coverage.
Protect your home before the next storm. To learn more, call us at 516.488.1800 and we’ll be happy to help.
Size Options
To Accommodate Any Home
Peace of Mind
Stay Comfortable and Safe
Quiet Operation
Compared to Older Models
Why Should I Install a Generator for My Long Island Home?
Many people wonder if having a home generator is important, and if they really should spend the money on purchasing and installing one.
A generator can provide you and your family with several benefits in the event of a prolonged power outage, including:
- Protection from food spoilage
- Connection to news and special weather reports
- Preservation of your home comfort system
- Access to necessary medical equipment
How Do Generators Work?
Standby generators step in seamlessly when the main power goes out. These generators are permanently installed outside your home, and they’re connected to your electrical system. They run on either natural gas or propane, so you never have to worry about refueling. When the generator's automatic transfer switch detects a power outage, it signals the generator to start, and within seconds, your home’s essential circuits are powered up. This means that lights stay on, appliances keep running, and you can continue your daily activities without interruption.
Having a standby generator is a smart investment, especially for areas prone to frequent power outages. It ensures that your home remains safe and functional during blackouts, protecting you from the inconveniences and potential hazards of losing power. Plus, with modern standby generators, you can enjoy quieter operation and better fuel efficiency. They’re designed to give you peace of mind, knowing that your home’s critical systems are always protected, no matter what happens with the main power grid.
"Timely and Responsive"
"Your employees are very knowledgeable and a pleasure to deal with. They arrive timely and are responsive to our questions or concerns. I highly recommend your company for new installs and maintenance of equipment."
T.G. | Maspeth, NY
Get Started with an Estimate
Call T.F. O'Brien Cooling & Heating at (516) 488-1800 or complete our short form below and a representative will reach out to you.
"Completely Satisfied"
"I was completely satisfied with the professionalism, quality, and courteousness of your service. I will continue to call on and recommend you all future AC/Heating needs. Thank You."
- T.F., Baldwin, NY
4.9
1,767 reviews
4.8
1,376 reviews
T.F. O’Brien review scores as of 10/4/24
T.F. O'Brien is a full-service generator contractor. In addition to generator installation on Long Island, NY we also provide:
At T.F. O'Brien, we want our customers to be as comfortable as possible. In addition to generator installation, we provide a full range of comprehensive generator services, including:
Click For Areas We Provide Generator Services:
We provide generator installation on Long Island, including Nassau County, Suffolk County and the following areas:
- Bellerose, NY
- Bayside, NY
- Brookville, NY
- Commack, NY
- Cold Spring Harbor, NY
- Dix Hills, NY
- Douglaston, NY
- East Meadow, NY
- Floral Park, NY
- Flushing, NY
- Fort Saratoga, NY
- Franklin Square, NY
- Freeport, NY
- Fresh Meadows, NY
- Garden City, NY
- Glen Cove, NY
- Glen Head, NY
- Great Neck, NY
- Greenlawn, NY
- Hauppauge, NY
- Huntington, NY
- Jericho, NY
- Kings Park, NY
- Long Island, NY
- Lloyd Harbor, NY
- Manhasset, NY
- Melville, NY
- Merrick, NY
- Mineola, NY
- New Hyde Park, NY
- Northport, NY
- Oceanside, NY
- Oyster Bay, NY
- Park Slope, NY
- Plainview, NY
- Port Washington, NY
- Queens Village, NY
- Rockaway Point, NY
- Rockville Centre, NY
- Roslyn, NY
- Smithtown, NY
- South Hempstead, NY
- Syosset, NY
- Valley Stream, NY
- West Hempstead, NY
- Westbury, NY
- Whitestone, NY
- Williston Park, NY
Pay Nothing Until You Are Completely Satisfied
You can expect the following from our techs when they do work for you:
- They will care for your home and complete the job with speed and precision.
- They will not wear shoes on your carpets.
- They will clean up when they are finished and take personal responsibility for your satisfaction.
- They will not swear in your home.
- They will not smoke in your home.
- They are drug-free.
If you’re not completely happy when our technicians are done with the job, you won’t pay until you are totally satisfied with their work. The next time you need heating and cooling work done, call T.F. O’Brien and experience the difference.
Insured, Highly Qualified Professionals
Superior Craftsmen with Great Attitudes and Work Ethic
Our people are passionate about sharing their technical expertise to make every day more comfortable in our customers’ homes and businesses.
- NATE Certified Technicians
- EPA Certified
- Professional Engineers (PE)
- Family Owned since 1934
- Air Conditioning Contractors of America (ACCA) Member
- A Huntington Township Chamber of Commerce Member
- A New Hyde Park Chamber of Commerce Member
Financing Available
If you're looking to upgrade your system, but you have to work within a budget, then let T.F. O'Brien help make things a little easier with our financing options, subject to credit approval.