Your Comfort is our Business!


Callahan A/C & Heating Services is a full service Heating, Ventilation, Air Conditioning and Plumbing Mechanical Contractor. We are located in North Andover, Massachusetts and have been servicing both residential and commercial customers for more than 25 years.


We specialize in the installation and service of complete COMFORT SYSTEMS including; replacements of your current systems, conversions from oil to gas, system expansions for your addition and complete systems for new construction projects.

Our mission is to provide a level of service that exceeds our customer's expectations, to deliver cost effective services, to guarantee quality and to always give our customers what they pay for and more.

Our priority at Callahan A/C & Heating Services is to provide total comfort for you in your home by maintaining your current heating, cooling and hot water systems and when its time, by helping you choose the best new or replacement system options.  We are an independent dealer and can offer the finest from all the leading manufacturers in high efficiency, hybrid, heat pump and both traditional and instant hot water systems.  Our team of experts will work with you and recommend the best Total Comfort System for your specific requirements.

Contact us to request information or call us at (978) 689-9233 and set up a FREE estimate.

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