CornerStone Mechanical

CornerStone Mechanical

HVAC Technician -
Denver, CO
Highlights
  • Central AC in Boulder, CO
  • Ducts & Vents in Hudson, CO
  • Central Heating in Thornton, CO
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Rating 86
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We analyze and rate each contractor to help our users find the perfect candidate for the job. Contractors must claim and maintain their profiles to ensure a high and trustworthy rating. In addition, we utilize the following elements to determine the homeyou rating:

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About this pro

Cornerstone Mechanical strives to lead the Heating and Cooling industry in quality of craftsmanship. We take the time to not only fix the problem correctly, but make sure the work meets and exceeds all codes and expectations! We are family and locally run. We stand by our motto of “Let our family take care of your family”.


  • Time in business: 11 years
  • 565 E 70th Ave, Denver, CO 80229

Detailed Information

Year Established 2015
Business Categories HVAC in Denver, CO

Services Offered

  • HVAC
    • Central Heating
    • Central AC
    • Ducts & Vents

License Information

  • Licensed inColorado

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Business Hours Please call to confirm

  • Sunday 12AM - 12AM
  • Monday 12AM - 12AM
  • Tuesday 12AM - 12AM
  • Wednesday 12AM - 12AM
  • Thu 12AM - 12AM
  • Friday 12AM - 12AM
  • Saturday 12AM - 12AM

Coverage Area

Best Questions to Ask a HVAC Technician Contractor

Does the HVAC job require permits? If so, will you be pulling them yourself?

Many jobs in Colorado will require municipal permits in order to be approved by the town's inspector. It's always good to ask who will be responsible for pulling those permits, and if you'll be expected to do it. You'll almost never be told to pull your own, but knowing that Denver HVAC permits are required makes you appear to be a well informed customer.

Do you work with subcontractors?

The question is great for some industries and non-applicable for others. A general contractor, for example, will by definition employ subcontractors. Most Denver HVAC companies do not, but there are exceptions. You should always ask this question to your service providers. If they do use subcontractors, ask if they're all licensed and insured independently.

What is your projected timeline for the HVAC project in Denver?

Though a standard question, it's important to ask. Most contractors will tell you how long they expect the job to take without you asking. If they don't volunteer that information, be sure to ask. It's also helpful to ask if that's a hard finish date, meaning that it's the definite finish date. If it's a soft finish date, it may be extended for any number of reasons.

Are you insured and/or bonded for HVAC?

You'll certainly want to ask them this. Steer clear of any company that is not insured in Colorado, because that means that any incidental damage they may do on your property will be a real hassle to recover compensation for. It is never wise to work with uninsured tradesmen of any kind. Most states also require that someone have insurance in order to be issued a trade license. If they say they're licensed but not insured, they're being less than truthful.

Is your bill for HVAC in Denver an estimate or a final price?

This is very important, since an estimate is just that. Many contractors will submit a "paper estimate", meaning they've written the estimate down on paper. The bill is the true amount owed and will almost always say "Invoice" or "Bill" at the top of the page. The bill should also list the date it was issued, the due date of payment, and a list of services rendered.

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