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Looking for a Electrical and HVAC Contractor you can trust? Look no further!


Sin Jac Inc is a full-service Electrical, Heating and Air Conditioning Contractor. Whether you’re looking to repair, replace or maintain your air conditioning or heating system, or need electrical work make Sin Jac your decision and give us a call today.

For any of your heating, electrical, and air conditioning needs in the Denver Metro Area, Sin Jac will help put you at ease. With our 30 year history and NATE certified technicians we have the expertise for any of your Residential Heating, Air Conditioning and Electrical needs. We carry many of the top brand name products and know how to service and repair almost anything you can think of. Our incredible and friendly team have garnered us a loyal following and have pleased thousands of faces and families up and down the Denver Metro Area.



Why we stand out from the rest:

  • More than 30 years experience               
  • Independently owned and operated
  • Licensed and Bonded
  • Hundreds of satisfied customers!

Get to know Sin Jac.

We have tools, skills, and a desire to help.

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See how we can help you.

From top to bottom, we've got you covered.

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Find out what our clients are saying about us!

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