Get Connected with Reliable Plumbers in Hanover, MA Today!

Cox's Old Colony Heating, Air Conditioning & Plumbing is a trusted provider of comprehensive HVAC services in Hanover, MA, and the surrounding South Shore area. With over 75 years of experience, our team of licensed, insured, and background-checked technicians offers repair, installation, maintenance, and indoor air quality solutions to residential and commercial clients. We specialize in sheet metal fabrication, air duct cleaning, and plumbing services, ensuring that your home or business remains comfortable and energy-efficient. From routine maintenance to emergency repairs, our expert technicians will work with you to find the right solution for your unique comfort needs.

John Hoadley Plumbing & Heating, Inc. is a diverse, highly experienced company with a variety of specialty services, as well as a complete line of products and supplies. Our technicians have gained their experience and knowledge through actual "hands-on" training, as well as education through various seminars and certification workshops. We offer same-day water heater replacement, complete residential and commercial plumbing, heating, air conditioning, and more.