Hours of Operation: Available 24/7
- 196 King St. Hanover, MA | Phone : 781-536-8197
HVAC Repair Services
At Cox’s Old Colony Heating, Air Conditioning & Plumbing, we deliver trusted HVAC repair services in Hanover, MA, and the South Shore backed by accurate assessments, professional care, and a commitment to doing the job right the first time.
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Your comfort shouldn’t depend on the weather or on an unreliable HVAC system. Our certified HVAC technicians are trained to handle everything from heating and cooling repair and furnace repair to full HVAC system troubleshooting and replacement.
We service all major makes and models for both residential HVAC repair and commercial HVAC repair in Hanover and the surrounding South Shore communities. Whether it’s an unexpected breakdown in the middle of winter or a cooling issue during summer, our team is ready to restore your comfort quickly and efficiently.
At Cox’s Old Colony, we believe service should be personal, not transactional. Every repair call starts with a conversation—understanding your concerns, assessing your system, and explaining the best solution clearly before any work begins.
Here’s why Hanover homeowners and businesses trust our HVAC repair specialists:
We take pride in being your go‑to HVAC company in Hanover, MA, where integrity and quality service come standard.
No matter what’s wrong with your HVAC system, our team has the experience and tools to fix it. We provide reliable HVAC solutions that cover every part of your heating and cooling system, including:
Regular HVAC maintenance in Hanover, MA, helps prevent costly breakdowns and extends equipment life. Our technicians can schedule seasonal tune‑ups to keep your HVAC system repair needs minimal and your comfort level high.
When your HVAC system fails unexpectedly, you need fast help you can count on. Cox’s Old Colony offers emergency HVAC repair in Hanover, MA, 24 hours a day, 7 days a week.
Our HVAC emergency service team responds quickly to heating or cooling failures, especially during extreme weather. You’ll never be left to face the cold or heat alone.
From furnace repair to urgent air conditioning repair service, our certified HVAC contractors are just a call away at (781) 536‑8197. We’ll diagnose the problem on the spot and provide a solution that gets your home or business back to comfort.
Sometimes, repairing an older HVAC unit only offers a temporary fix. Our technicians will always give you an honest assessment of whether a HVAC repair, HVAC replacement, or system upgrade is the most cost‑effective choice.
As a trusted certified HVAC contractor in Hanover, MA, and the South Shore, we help homeowners and businesses choose high‑efficiency systems that improve comfort and reduce energy costs. Whether you need a HVAC system replacement or full HVAC installation and repair in Hanover, MA, and the South Shore, we make the process seamless from start to finish.
We can also help optimize your comfort year‑round with smart HVAC inspection, energy audits, and heating and cooling repair service packages.
Cox’s Old Colony Heating, Air Conditioning & Plumbing proudly serves residential and commercial clients in Hanover and nearby towns across the South Shore. With friendly technicians, transparent pricing, and dependable workmanship, we’re here to keep your home or business comfortable all year long.
If you’re searching for the best HVAC repair services in Hanover, MA, and the South Shore, look no further. Our HVAC repair specialists combine expertise with genuine care for your comfort and satisfaction.
From reliable installations to routine maintenance, Cox’s Old Colony delivers precise, professional HVAC services to keep your system running efficiently year-round. Explore our full range of trusted solutions below.
Expertly installed heating systems designed for long-lasting comfort and efficiency, tailored to your home’s needs by certified HVAC technicians who prioritize quality, safety, and dependable performance.
Whether you’re building or renovating, we provide complete HVAC design and installation services using high-efficiency systems built to deliver comfort, savings, and reliability from day one.
Replace outdated, inefficient systems with modern, energy-saving models. Our team helps you choose the right HVAC replacement for improved comfort, performance, and lower utility costs.
Regular tune-ups ensure your heating and cooling system runs efficiently, prevents breakdowns, and extends equipment life, keeping your home comfortable and your energy bills manageable.
Enjoy peace of mind with cost-effective service plans that include routine maintenance, priority scheduling, and exclusive discounts on repairs and parts throughout the year.
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 craftsmanship.
Improve indoor air quality and system efficiency with professional duct cleaning and sealing services that remove contaminants, prevent leaks, and restore proper airflow.
Reliable commercial heating and cooling solutions tailored to your business’s unique needs, from rooftop units to comprehensive system maintenance and energy management.
Enhance the health and comfort of your home or workplace with advanced filtration, purification, and humidity control systems installed by our air quality experts.
Professional HVAC repairs and installations done right. Explore photos of our latest heating and cooling projects across Hanover and the South Shore.
Frequently Asked Questions
When your comfort system needs attention, trust a local team that treats every customer like family.
Call Cox’s Old Colony Heating, Air Conditioning & Plumbing at (781) 536‑8197 or schedule your service online today. Whether it’s residential HVAC repair, commercial HVAC maintenance, or emergency heating and cooling service in Hanover, MA, and the South Shore, our certified technicians are ready to help quickly, professionally, and with a smile.
