Since 1948 Cotti-Johnson has developed a reputation of quality, reliability, and expertise in the areas of HVAC and Electrical services for commercial, industrial, and residential customers. As a locally owned business serving a large portion of Massachusetts and Rhode Island, the company provides project design and installation, system upgrades, indoor air quality, preventative maintenance and 24 hour emergency service. For over 70 years the company has been committed to exceeding customer expectations and doing things right with licensed, professionally trained, and experienced service technicians.
30 Waverly Street
Taunton, MA 02780
Cotti-Johnson - Transitioning to trades - by Gamble Wiseman
When I was first brought on as residential service manager here at Cotti-Johnson, I was coming out of a decade-long care...
The importance of HVAC maintenance in commercial buildings - by Gamble Wiseman
As a business owner, it’s important to ensure that your commercial building is comfortable, safe, and energy effic...
Let’s talk replacements for HVAC equipment - Gamble Wiseman
As we near the end of 2022, many companies are taking advantage of the substantial government rebates that are becoming ...
Project of the Month: BKA Architects and Haynes Group build 1,784 s/f New Leaf cannabis dispensary in Fall River
Fall River, MA Construction has wrapped on New Leaf, a modern adult-use cannabis dispensary. Peter Fernandes, founder an...
To LED or not to LED... that is the question - by Gamble Wiseman
To LED or not to LED...that is the question… that many property owners often grapple with when making building up...
What time is the right time? - by Gamble Wiseman
“Here it comes…” My dispatcher and service manager, Luann, is fond of saying when we get close to the...
Wiseman of Cotti-Johnson: So, whats next?
In today’s day and age, it’s difficult for companies in the trades to find skilled staff, never mind grow an...
Cotti-Johnson: Who we are - by Gamble Wiseman
In 1944, Louis Cotti and Bill Laurence opened a sheet metal shop at the Weymouth Shipyard called Cotti-Laurence, Inc. Th...
Annual electrical inspections: What are they and why are they important?
I sat down with one of our master electrician this week, Will Hightower, to go over annual electrical system inspections...