A/C & HEATING SERVICE INSTALLATION IN DERRY, NH, SOUTHERN NEW HAMPSHIRE & NORTHERN MASSACHUSETTS 

Since 1994, Cal's Air Conditioning & Heating, LLC 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. 
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TOP NOTCH A/C & HEATING SERVICE

SERVICES OFFERED
Air Conditioning Installation Derry, NH
We carry top-of-the-line brand name units, and we install them too. Choose us for all of your A/C installation and service needs.

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Heating Service Installation Derry, NH
We install all types of heating units, including heat pumps, furnaces, and more. Learn more about our energy-efficient systems we have available for purchase. 
Heating Service Installation Salem, NH
Customer satisfaction matters to us! Read what a few of our satisfied customers have to say about their experience with us!

24-HOUR EMERGENCY SERVICE AVAILABLE IN WINDHAM,  SALEM, NH, SOUTHERN NEW HAMPSHIRE & NORTHERN MASSACHUSETTS 


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!
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