Hours of Operation: Available 24/7
- 196 King St. Hanover, MA | Phone : 781-536-8197
Whether you need a quick fix, routine maintenance, or a completely new system, Cox’s Old Colony delivers it all. We work on all brands and models, and our work is always covered by warranty.
Restoring comfort quickly with expert system issue diagnosis, fixing faulty components, and optimizing performance. We ensure reliable heating and cooling and
Expertly installed heating systems designed for long-lasting comfort and efficiency, tailored to your home’s needs by certified HVAC technicians who prioritize
Replace outdated, inefficient systems with modern, energy-saving models. Our team helps you choose the right HVAC replacement for improved comfort,
Protect your investment with extended coverage on parts and labor, offering long-term confidence, predictable costs, and continuous comfort for years to come.
Custom-built ductwork designed and fabricated in-house for precise fit, improved airflow, and lasting performance, crafted with superior materials and expert
Regular tune-ups ensure your heating and cooling system runs efficiently, prevents breakdowns, and extends equipment life, keeping your home comfortable and your
Since 1947, we've been the trusted choice for homeowners and businesses in Hanover, MA, and the South Shore for all their HVAC installation services and indoor air quality needs. Our technicians understand the unique comfort challenges of our South Shore communities and provide personalized service you can rely on.
Whether you need a repair, replacement, maintenance plan, or air quality upgrade, we offer complete services to keep your home or business comfortable year-round. Contact us today and see why Cox's Old Colony is your one-stop shop for total comfort!
Contact us online or by phone to schedule an appointment for repairs, installations, maintenance, or a free consultation.
Our expert technicians will diagnose the issue, discuss your needs, and provide a quote for your requested services.
Our team uses top-quality materials and industry best practices to ensure your HVAC systems work correctly and efficiently.
We offer preventive maintenance plans to keep your HVAC system running smoothly and efficiently, saving you money.
Based in Hanover, MA, Cox’s Old Colony serves both homeowners and businesses throughout the South Shore. Are you looking for HVAC repair services? We’re proud to be your go-to provider in the following areas:
Our comprehensive HVAC maintenance service in Hanover, MA, includes a system inspection, filter changes, checking for leaks, safety checks, cleaning, and performance tuning. We identify small issues before they become major repairs.
Every home or business is different. Pricing depends on system size, repair complexity, and specific needs. We offer free up-front estimates, and you’ll always know what to expect before work begins.
Yes. Our technicians are on call for emergency HVAC services. If your system breaks down unexpectedly, call us any time—day or night.
Absolutely! Whether you own a home, retail space, or commercial property, we offer both residential and commercial HVAC installation services Hanover and nearby towns.
We are fully licensed and insured, with decades of experience as a trusted local plumbing and HVAC company in Hanover, MA.
