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Whole-House Generator Installation in Port Washington, New York

3 businesses offering whole-house generator installation with a Port Washington address in Nassau County, NY. Updated 9-22-26.

Business	Phone	Website
Monarch Electric Co.Port Washington	(516) 625-8181	monarchelectric.com	Report Phone doesn’t work Website doesn’t work
Multi Source Electrical & IndustrialPort Washington	(516) 767-4200	multisourcecorp.com	Report Phone doesn’t work Website doesn’t work
Standtech ElectricPort Washington	(516) 407-3737	standtechelectric.com	Report Phone doesn’t work Website doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

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