Callahan A/C & Heating Services North Andover MA

Business Overview

Callahan A/C & Heating Services North Andover MA is an established HVAC and plumbing contractor serving homes and businesses across the Merrimack Valley and southern New Hampshire. The company has more than 30 years in the field and a team with over 100 years of combined experience. Technicians are licensed, insured, and OSHA certified.

Work hours are Monday–Friday, 7:00 AM to 4:30 PM, with a full-service emergency department available 24/7 for urgent heating, cooling, and plumbing problems.

Key Services

Work covers installations, repairs, replacements, inspections, and preventive maintenance. Major service groups include:

• HVAC: HVAC installation or replacement, HVAC system repair, heat pump and hybrid system work, oil-to-gas conversions.
• Plumbing: Plumbing inspection, plumbing installation or replacement, plumbing repair, water pipe installation and repair.
• Water & Fixtures: Water heater installation and repair, toilet installation and repair, bathtub and shower installation and repair, faucet installation and repair, garbage disposal repair.
• Gas & Pumps: Gas line installation and repair, sump pump installation and repair.

Areas Served

Callahan A/C & Heating Services covers North Andover and nearby communities. Regular service areas include Lawrence MA, Haverhill MA, Methuen MA, Andover MA, Tewksbury MA, Bedford MA, Boxford MA, Newbury MA, Groveland MA, plus southern New Hampshire towns such as Derry, Salem, Windham, Hampstead, Plaistow, Atkinson, Kingston, and Chester.

Company History

The company began over three decades ago to meet local needs for reliable heating and plumbing work. It grew from a small service crew into a full trades contractor. The business kept a local focus—working on older New England homes, newer construction, and small commercial buildings—and added a preventive maintenance program to reduce emergency calls and lengthen equipment life.

Leadership

Leadership is hands-on and rooted in the community. The management team combines field experience with service coordination so technicians arrive prepared. Staff engage with municipal inspectors and supply partners in the region, and the crew is trained to handle common regional issues like cold-weather freeze protection and humid summer cooling loads.

Specialties & Highlights

• Preventive Maintenance program that targets efficiency and longevity.
• Experience converting oil systems to gas and integrating heat pumps for mixed fuel setups.
• 24/7 emergency response backed by a cross-trained team for HVAC and plumbing issues.
• Fully licensed, insured, and OSHA certified technicians with strong local knowledge.

Why Locals Choose Callahan A/C & Heating Services

People call Callahan A/C & Heating Services North Andover MA because the company shows up prepared, explains options plainly, and works on the types of homes common in the area—older Victorian houses, post-war suburbs, and new construction. The preventive maintenance plans and the emergency response crew give property owners predictable budgets and faster recovery from failures. The combination of long experience, local focus, and clear communication makes Callahan a regular choice for homeowners and small businesses across the region.

For service requests or to schedule routine maintenance, customers can call during business hours or use the emergency line any time. Technicians answer questions and help pick solutions that match each property's needs and the North Andover climate.