Cal's Air Conditioning & Heating
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Cal's Air Conditioning & Heating
Since 1994, Cal's Air Conditioning & Heating has been providing customers from Windham and Derry to Salem, NH with reliable, prompt HVAC service. There is no job too small for our experienced crew. We can install heat pumps, design duct systems, install whole house filters and set up standard air conditioning and heating systems.

Customer satisfaction matters to us! Read what a few of our satisfied customers have to say about their experience with us! In addition to installation service, we also provide 24-hour emergency service for when your systems fail unexpectedly. You can call us any time, day or night, to get your system back up and running again in no time.

For all of your heating and cooling needs, choose the best in the greater Southern New Hampshire and Northern Massachusetts areas. Call (603) 434-4340 today and we'd be happy to provide you with a free quote!
Services
Cal's Air Conditioning & Heating has been providing professional, prompt AC and heating service to customers in the greater Southern New Hampshire and Northern Massachusetts areas since 1994. We service and install brand name products, including Bryant units, Mitsubishi and Aprilaire. In addition to HVAC system installation and sales, we also offer 24-hour emergency service, recovery and remote auto recharging.
During the warmer months, having an air conditioning unit makes for much more comfortable living. If you aren't sure if you need a new system, allow our air conditioning installation experts to provide our professional recommendation. Cal's Air Conditioning & Heating proudly serves homeowners throughout the Derry, Salem, and Windham, NH areas.
During the winter, having a functioning, efficient heating system is a necessity. Shopping for a new heating system may seem overwhelming, but it doesn't have to be. At Cal's Air Conditioning & Heating, our heating service installation experts would be happy to discuss the options with you to find the right fit.
Complete customer satisfaction is a top priority for us at Cal's Air Conditioning & Heating, and it shows! Read a few of our reviews to hear directly from our customers about their experiences working with us. I could not have been more satisfied doing business with this company. From my first email request, which was replied to immediately to the installation and use of my new central ac/heating unit I was very impressed.
Reviews (9)
Daniel McCarthy
Daniel McCarthy
Jun 21, 2021
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Ernie and George were awesome to deal with and worked hard to get us on the schedule to replace our AC unit even with the HVAC buiness being straight out. Promoted, courteous and professional!!
Services: AC repair, AC installation
Chris Park
Chris Park
Jun 03, 2021
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Teach your drivers to stay off their phones while driving. Cals2 license plate was unaware of what was going on around him he was so engrossed. Couldn’t be bothered to signal when turning either. What the hell is wrong with you?
Scott George
Scott George
Mar 05, 2021
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Just had a great experience with Ernie and George. They just replaced our furnace because it was on it's last legs. He was able to get to us right away because my Mom was having a problem with the cold. Was very quick replacing it and was great with the price especially when everyone else we called were much higher on their price with a much longer time line to replace it with. Couldn't have gone any smoother. I would highly recommend Ernie and Cal's they're very good and caring and tells with his quality of work.
Cyndi Randlett
Cyndi Randlett
Jul 19, 2020
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Positive: Professionalism, Punctuality, Responsiveness
Very pleased with the service and professionalism
Steven A. DePietro
Steven A. DePietro
Jul 10, 2020
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Ernie has bailed me out of a jam more times than I can remember.
Quality work, excellent service at reasonable prices.
Strongly recommend. 💪🏻👍🏻
Roger Trudel
Roger Trudel
Feb 12, 2019
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Ernie knows his trade. I’ve used Cal’s for my jobs and my own home. They’re first rate!
Patricia Calderone
Patricia Calderone
Feb 10, 2019
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If your looking for the best service and price around you could t find better than Cals Air conditioning and heating. Always satisfied customers.
Danyell Fairburn
Danyell Fairburn
Jun 26, 2018
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Cal’s was incredibly polite, respectful and informative. They showed up on time.
Joshua Koehler
Joshua Koehler
May 29, 2018
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Ernie was great! Found him on Angie’s list and couldn’t have been happier. I received 4 quotes for a ductless split system on my home with an air handler for the second floor and an in-law suite as well. Ernie was extremely competitive with his pricing. Ernie was on time, extremely clean and meticulous. He even vacuumed the house after installing. He took the time to explain in detail how everything worked and the most efficient way for everything to work as well. I Highly recommend Ernie, you’ll be happy you hired him.