Generator dealers in Stony Brook, NY

147 authorized Generac, Briggs, Kohler dealers offering sales, service, financing, installation · 27 with customer ratings.

Generac 14kW Whole Home Generator, Transfer Switch & Cellular Capability

Stony Brook, NY · GeneracGenerac 14kW Whole-Home Standby GeneratorLowest price in 30 days$4,799−18%List: ~~$5,839~~Price as of Aug 16, 2026 · the price shown on Amazon at checkout applies.See This Deal on Amazon

Independent recommendation from GenDealers — any authorized dealer below can quote installation.

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147 dealers · sorted by distance

Featured spotYour business at the top of Stony Brook, NYFeatured listings show above every dealer in this city with your logo, description, and direct contact buttons.Get this spot

All Island Mechanical
2.0 mi
Generac · Select Dealer
Sales · Service · Financing
3250 Nesconset Hwy, Setauket, NY 11733
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North Country Electric Corp
2.9 mi
Briggs
Sales · Service
275 Main St, Setauket, NY 11733
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Kleaka Electric
3.4 mi
Generac · Select Dealer
Sales
90 Gould Rd, Centereach, NY 11720
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Island Power Electric Corp
3.4 mi
Generac · Select Dealer
Sales
Po Box 591, Setauket, NY 11733
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Ryleigh Electric INC
3.5 mi
Generac · Select Dealer
Sales
35 Comerford St, Port Jefferson Station, NY 11776
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All Wired Up Electric
3.8 mi
Generac · Select Dealer
Sales
69 John St, Port Jefferson Station, NY 11776
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J.c. Sullivan Electric INC
4.2 mi
Generac · Select Dealer
Sales
18 Colony Rd, Port Jefferson Station, NY 11776
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Aj's Power INC
4.9 mi
Briggs
Sales · Service
6 Farnham Place, Port Jefferson Station, NY 11776
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Expert Mechanical Services INC
5.7 mi
Generac · Select Dealer
Sales
272 Central Islip Blvd, Ronkonkoma, NY 11779
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Ad
More options · GeneracGenerac Guardian 22kW Home Standby GeneratorThe long-running Guardian 22kW with a 200-amp service-rated transfer switch and Mobile Link Wi-Fi.See Current Price on Amazon
Independent recommendation from GenDealers — have a local dealer above quote installation.
Mds Industries INC
5.8 mi
Generac · Select Dealer
Sales
24 Amapola Lane, Kings Park, NY 11754
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G&e Enterprises
2.5(2)6.9 mi
Generac · Select Dealer
Sales · Service · Financing
Po Box 693, Kings Park, NY 11754
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Sprint Electric INC
2.1(5)6.9 mi
Generac · Select Dealer
Sales · Service
Po Box 204, Kings Park, NY 11754
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Dealers in nearby cities

Stony Brook University, NY Head of the Harbor, NY St. James, NY Lake Grove, NY Nissequogue, NY Centereach, NY Port Jefferson Station, NY Poquott, NY Old Field, NY

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About generator dealers in Stony Brook, NY

GenDealers lists 147 authorized generator dealers in and around Stony Brook, NY — independent businesses certified to sell, install and service Generac, Briggs, Kohler home standby generators, portable generators and transfer switches. Listings show each dealer's brand authorization tier, services (sales, service, financing, installation), customer rating, phone number and website so you can compare before you call.

Not sure what size you need? Use the generator sizing calculator first, then ask two or three dealers here for installed quotes. New to standby power? Start with Generator 101.