Weymouth 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.

Weymouth Heating & Air Conditioning Services

Professional HVAC Services in Weymouth, MA

There are many HVAC companies in the Weymouth area, but only Cotti-Johnson is backed by the experience that comes from more than 75 years in business. Since 1948, we've been a trusted provider of heating and air conditioning repairs, installations, and maintenance services in the South Shore area. During our time in business, we've earned numerous glowing reviews and the trust of homeowners and commercial property owners throughout Massachusetts and Rhode Island. If you're looking for a local company you can trust to get the job done quickly, correctly, and affordably, you've come to the right place!

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Work with a Weymouth heating and cooling company that's reliable, punctual, and highly rated. Call Cotti-Johnson now at (774) 768-5154!

Weymouth AC Repair & Installation Services

Cotti-Johnson's team of air conditioning service technicians is prepared to fix your AC while you wait! When you call us for service, we'll send one of our clean, courteous technicians to your location equipped with all the tools and parts to complete most AC repairs. We can help you with a variety of common air conditioner problems, including condensation leaks, refrigerant leaks, thermostat problems, broken fan belts, dirty air filters, and mechanical issues. If your AC is blowing warm air, making weird noises, short cycling, or not running at all, don't wait to schedule your service appointment with our team!

Weymouth Heating Services: Furnace Repair, Boiler Service & More

Our heating repair and replacement services are second-to-none. We understand how critical a working heating system is during the freezing winter months here in Weymouth, which is why we're always available for emergency heating service. Whether you have a boiler, a furnace, a heat pump, or a ductless mini split, we can get your heat back in no time. When repairs are not possible or would not be cost-effective for your situation, we can also help you select a new system and install it for you as quickly as possible. We service gas, oil, and electric heating systems, and can even help you with oil to gas conversions!

Breathe Better Air with our Indoor Air Quality Solutions

Concerned about the quality of your indoor air? Say goodbye to a host of common air pollutants and hello to fresher, cleaner air with Cotti Johnson. Our indoor air quality services make it easy to get rid of airborne particles like dust, pet dander, microbes, and much more. If you have questions about air purification systems or electronic air cleaners, our Weymouth HVAC experts would be happy to explain the benefits of adding one of these devices to your home.

Schedule Your HVAC Service in Weymouth Today!

Our comfort experts look forward to helping you solve your HVAC problems. If you need heating or air conditioning service in Weymouth, fill out our online contact form or give us a call at (774) 768-5154 to request your appointment. Same-day services are often available for your convenience!

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.