Plymouth Whole Home Peace of Mind

Preventative maintenance is the key to keeping your home's systems in excellent working order! We'll help you get the longest possible life from your systems and identify any small equipment repairs before they have a chance to turn into larger problems.

HVAC Services in Plymouth, MA

Quality Heating & Cooling Solutions for Plymouth Homes & Businesses

As your your premier HVAC partner, Cotti-Johnson is dedicated to ensuring unparalleled comfort in Plymouth, MA. Committed to excellence and customer satisfaction, Cotti-Johnson offers a diverse array of heating, cooling, and indoor air quality services tailored to meet the unique climate needs of our area.

Why Choose Us?

  • In business since 1948
  • On-time service every time
  • Family owned and operated
  • Warranties on parts and labor
  • Fair, honest pricing

Plymouth Heating Repair, Installation & Maintenance Services

Cotti-Johnson is here to keep your home warm and inviting during the coldest months of the year. Our heating services cover everything from furnace repairs and boiler installations to oil to gas conversions. Our dedicated Plymouth heating service professionals deliver prompt and effective services to ensure your comfort throughout the frigid New England winters. For your convenience, we are available for emergencies, so don't hesitate to call us day or night if you're having trouble with your heating system!

AC Repair, Replacement & Tune-Up Services in Plymouth

Escape the summer heat with Cotti-Johnson's cutting-edge air conditioning solutions. Our Plymouth AC technicians specialize in installing, repairing, and maintaining air conditioning systems, providing optimal cooling for your home or business. From central air systems to energy-efficient heat pumps, we customize our cooling services to match your specific requirements. Rely on us for swift repairs and regular maintenance, ensuring your AC unit functions at peak performance.

Ductless Mini Split Installation & Repair

Experience flexibility and energy efficiency with a ductless mini split installed and serviced by Cotti-Johnson. Ideal for a variety of spaces without traditional ductwork, these systems allow personalized climate control in every room. Mini splits are a convenient, cost-effective, and energy-saving option that offer a great solution for sunrooms, ADUs, garages, older homes, workshops, and more. Call us today at (774) 768-5154 learn more and to get a quote!

Schedule Your HVAC Repair or Install Appointment Now!

Cotti-Johnson is proud to be Plymouth's trusted heating and cooling service company. Our dedicated team is 100% committed to delivering unparalleled service, whether you need a fast emergency repair, a complete system replacement, or an annual maintenance service. 

Contact Cotti-Johnson today to work with a trusted, top-rated Plymouth HVAC service team.

Keeping Customers
Cost Effective
Special Offers

Why Cotti-Johnson?

Learn why our team of experts is the best choice for all your heating, cooling, electrical, and water heater needs.
  • Service On Time
  • Warranties on Parts & Labor
  • Customer Satisfaction Guaranteed
  • Family Owned & Operated
  • Honest Pricing
  • 70+ Years of Experience
Protect What’s Most Important

Our team’s commitment to solving our community’s pest problem is the foundation of our company. With our team, you can say goodbye to unwanted pests for good.