Residential & Commercial HVAC

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For over 30 years, Callahan AC & Heating has been the cornerstone of comfort and reliability for homes and businesses across New England.

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Full-Service Heating, Ventilation, & Air Conditioning Services

AC Callahan & Heating is a full-service heating, ventilation, air conditioning and plumbing contractor for residential and commercial properties.

Cooling solutions tailored to specific spaces, ensuring optimal comfort and energy efficiency through meticulous design and expert installation practices.

Safe and compliant removal, recycling, or disposal of refrigerants from HVAC and refrigeration systems to prevent environmental harm and ensure regulatory compliance in residential and commercial settings.

Comprehensive assessment, filtration system installation, and ventilation optimization to mitigate indoor air pollutants, allergens, and contaminants.

Installation, Inspection, maintenance, and repair of heat pump systems to maximize efficiency and reduce energy consumption.

Optimizing indoor environments through strategic system design, insulation, and technology integration, reducing energy consumption and environmental impact.

Installation, inspection, and maintenance of detection systems and appliances to mitigate the risk of carbon monoxide exposure.

Meticulous adjustment and calibration of HVAC systems to optimize airflow distribution, temperature consistency, and energy efficiency.

Installation, inspection, maintenance, and repair of water heaters to optimize performance and prolong lifespan.