Hours of Operation: Available 24/7
  • SERVING OUR COMMUNITY SINCE 1947
What We Offer

Kick Back With Our Expert Help

Don’t Let Comfort Wait!

Having HVAC issues? Our Hanover, MA, technicians can fix it fast! We also offer installations, maintenance plans, and indoor air quality solutions for homes and businesses throughout South Shore.
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.