It's Hurricane Season. Protect your investment today!

JHACS is a Certified Generac installer. Let's prepare you for the next storm, before it happens.

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Plug into our professional services for the “More Power to Ya!” experience… Our 5 star installation pledge is a commitment from JHACS to you!

Prompt. Honest. Efficient.

Using the finest quality materials installed by factory trained and certified technicians, our work is always at a fair price with a quality job GUARANTEED.


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Our Generator Team

Our factory trained and certified technicians can design, install, start up and service your automatic standby generator system.


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  • 1. Ensure the work is done to your satisfaction.
  • 2. Prompt, courteous service.
  • 3. Respect your home as if it were our own.
  • 4. Teach you to use your equipment properly.
  • 5. Ten year workmanship warranty.

We have an A+ rating from the Better Business Bureau!

Contact Us

257 Jericho Tpke
Mineola, NY, 11501
(516) 773-8000