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Trusted by customers to get the job done right

With professionals and experience to back it up, read what our customers have to say.


HVAC Installations/repair


On-Call Staff



Cornerstone Services installs ac and heating units

The System That Solves Your Problem.

Don't get worried when your air conditioner breaks down, just give us a call and we'll have it figured out in no time.

Cornerstone Services is here to help, whether you need a new installation, or even a repair to an existing system. Our professionals are trained and equipped to solve the toughest of issues. Cornerstone Services takes the stress out of trying to solve these issues on your own, just read what our customers have to say about the quality we bring to the table, and with our satisfaction guarantee, you can be sure you'll have a great experience with us.

Check out what HVAC(heating, ventilation, and air conditioning) services we provide below. And if you don't see what you're looking for, give us a call 844-385-5911 to see what we can do for you!

What We Do...

Air Conditioner Installation

Heating System Installation

Ventilation Installation


System Repairs

System Maintenance

Outdoor AC units

Get Ready to Get Comfortable!

Let us get you connected with a new system, so you can sit back, relax, and enjoy the fresh air.

Cornerstone Services offers you professional HVAC solutions to fit any occasion. Give us a call and we'll be right over, to handle any repair, installation, or upgrade you need. We provide expert hvac solutions for both residential and commercial applications. With 24x7 support you can be sure we're here to help. Call or fill out the form today to learn more

Smart thermostat

Set it and forget it.

Get set up with a nest thermostat and set your homes temperature from anywhere.

Central air doesn't have to come at a major cost, get the efficiency of a digital thermostat and save on your monthly heating and cooling bill. Customer's who use the nest system save on average 10-15 percent on their monthly bill, so what are you waiting for.

Our Guarantee:


Our valued customers are never kept waiting for professional help to arrive. Our service vehicles are available on-call from multiple locations across southern New Hampshire and northern Massachusetts.


When it comes to services rendered, we believe in being fully transparent. Our per-job pricing model, as opposed to a per-hour one, ensures the price for the work required remains the same from quote to completion.


Our professional workers are trained to provide your home or business with safe, reliable electrical solutions, cleaning services, handyman services, plumbing works, and HVAC services.

Contact Us Today!

While our company is headquartered in Salem, we're proud to service areas throughout southern New Hampshire and northern Massachusetts including Rockingham, Hillsborough, and Essex Counties.

Want a quote? Reach out to us today to schedule an appointment or for more information about our services.

Location of requested service.