Hours of Operation: Available 24/7
  • 196 King St. Hanover, MA   |   Phone : 781-536-8197

HVAC Repair Services

AC Repair Service in Hanover, MA

Keeping Your Home Comfortable, Efficient, and Worry‑Free

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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Comprehensive HVAC Repair You Can Depend On

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.

Why Choose Cox’s Old Colony for HVAC Repair

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:

  • Friendly & professional technicians who treat your property with respect.
  • Customer service is our #1 priority, expect clear communication and punctual service.
  • Accurate assessments and honest recommendations, no unnecessary repairs or upsells.
  • Comprehensive expertise in HVAC installation and repair, HVAC replacement, and HVAC maintenance.
  • Fully licensed, certified HVAC contractors for complete peace of mind.

We take pride in being your go‑to HVAC company in Hanover, MA, where integrity and quality service come standard.

Complete HVAC Repair and Maintenance Solutions

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:

  • Heating repair and furnace repair – From pilot lights to blower motors, we diagnose and repair heating problems quickly.
  • Boiler repair – Safe, professional service to restore warmth and efficiency.
  • Air conditioning repair service – We keep your cooling system running smoothly through even the hottest summer days.
  • Central HVAC repair – Restore consistent airflow and comfort throughout your home or business.
  • Thermostat repair and calibration – We fix faulty thermostats and optimize temperature control for energy savings.
  • Ductwork repair and duct cleaning – Improved air quality and system performance start with clean, well‑sealed ducts.

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.

Emergency HVAC Repair in Hanover, MA and The South Shore

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.

HVAC Repair and Replacement Made Simple

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.

Reliable Service Across Hanover, MA & The South Shore

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.

Our Heating & Cooling Services

Complete Comfort Solutions for Every Home and Business

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.

Heating Installation

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.

New Installations

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.

Upgrades/Replacements

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.

Preventive Maintenance

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.

Service Agreements

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.

Extended Warranties

Protect your investment with extended coverage on parts and labor, offering long-term confidence, predictable costs, and continuous comfort for years to come.

Sheet Metal Fabrication

Custom-built ductwork designed and fabricated in-house for precise fit, improved airflow, and lasting performance, crafted with superior materials and expert craftsmanship.

Air Duct Cleaning and Sealing

Improve indoor air quality and system efficiency with professional duct cleaning and sealing services that remove contaminants, prevent leaks, and restore proper airflow.

Commercial HVAC

Reliable commercial heating and cooling solutions tailored to your business’s unique needs, from rooftop units to comprehensive system maintenance and energy management.

Indoor Air Quality Specialists

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

  1. How do I know if I need HVAC repair?
  2. Strange noises, uneven temperatures, frequent cycling, or higher bills usually mean your system needs attention.

  1. Do you offer same‑day HVAC repair in Hanover, MA?
  2. Yes. We provide same‑day and emergency HVAC repair to restore your comfort quickly.

  1. Are your technicians certified?
  2. Absolutely. Every HVAC technician is licensed, certified, and trained on the latest equipment and safety standards.

  1. Can you handle both residential and commercial HVAC repair?
  2. Yes, we specialize in both—tailoring our services to homes, offices, and commercial buildings.

  1. What brands do you service?
  2. We repair and maintain all major HVAC brands, including Carrier, Trane, Lennox, Goodman, and others.

  1. How often should I schedule HVAC maintenance?
  2. Professional maintenance twice a year, once in spring and once in fall, helps avoid costly repairs and keeps your system efficient.

  1. What should I do if my furnace stops working at night?
  2. Call our emergency HVAC repair service at any hour. We’ll send a technician to restore your heat quickly and safely.

  1. How long does a typical HVAC repair take?
  2. Most repairs can be completed within a few hours, depending on the issue and part availability.

  1. Is HVAC replacement better than repair?
  2. Our experts will assess your system’s age, efficiency, and cost of repair before recommending replacement. Sometimes a new unit saves more long-term.

  1. Do you offer free estimates for HVAC repair services?
  2. Yes. We provide upfront, transparent estimates so you can make informed decisions with no surprises.

Call Now for Expert HVAC Repair in Hanover, MA

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.