We are the changing the way you deal with contractors.


Let's face it, dealing with contractors can be tough. From technicians not arriving on time, to being over-charged, to being left with a giant mess, it's a hassle. We are here to change that. We present a seamless experience from the moment we contact you, until your project is complete. Welcome to COREfficiency.

The Central Coast's Only Platnuim QuietCool Dealer ~ A Premier Electrical Contractor

(805) 215-5504



Find out what a whole-house fan is and how it works. You can enjoy the comfort of our fresh coastal air, and save 50% - 90% on your air conditioning bill!

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Ready to put some better lighting in? Need a new electrical panel? Want to remodel your home? Find out how we are changing what it means to hire an electrical contractor.

Find Out How →