Hours of Operation: Available 24/7

Years of Experience

Cox's Old Colony

Your Trusted Comfort Provider Since 1947

Cox's Old Colony Heating, Air Conditioning & Plumbing has served homeowners and businesses in Hanover, MA, and the surrounding South Shore area for over 75 years. We specialize in residential and commercial HVAC service, offering repair, installation, maintenance, and indoor air quality solutions. Our team is experienced in sheet metal fabrication and air duct cleaning services. We're committed to your comfort, and our technicians are licensed, insured, and background-checked for your peace of mind.

Contact Cox's Old Colony today for a free quote and experience the difference quality service makes!

How It Works

How Cox's Old Colony Keeps You Comfortable
in Hanover, MA & South Shore

Schedule Your Appointment

Contact us online or by phone to schedule an appointment for repairs, installations, maintenance, or a free consultation.

Expert Diagnosis & Quote:

Our expert technicians will diagnose the issue, discuss your needs, and provide a quote for your requested services.

Quality Solutions & Installations:

Our team uses top-quality materials and industry best practices to ensure your HVAC systems work correctly and efficiently.

Long-Term Comfort & Peace of Mind:

We offer preventive maintenance plans to keep your HVAC system running smoothly and efficiently, saving you money.