← All generator installers in Nassau & Suffolk
A1 Heating & Air Conditioning is an HVAC company since 2019 based in East Setauket. Its own website lists generator installation (Generac); the generator is one of many services it offers.
All of Suffolk and Nassau counties
No license number is published on the company’s own website, so no number is shown here. New York has no statewide electrician license; Nassau and Suffolk counties license electricians separately.
11 Hulse Rd, East Setauket, NY
631-331-2102
Generator work is priced after a site visit — no installer in this guide prices your job sight unseen. Send one request and compare up to three local quotes.
Get quotes — freeGenerac PowerPro Elite dealer in Hempstead serving all of Nassau and Suffolk. Its own website publishes county license numbers and a 22 kW installed price of $11,000–$16,500.
Mineola electrician offering generator installation, serving Nassau and Suffolk. Its own website publishes two numbers: the main number and a “South” number for its Syosset listing — the same company.
Albertson company in business since 1961 that installs, maintains and repairs generators, serving Long Island and Queens.