Cotti-Johnson was founded in the Quincy Shipyards in 1941. We have provided HVAC & Electrical since that time, and have added Middlesex Cooling & Heating to our Team which has been doing the same thing for the past nearly 40 years.
Verify the license and registration status to find out if the contractor you hire is currently registered with the state of Massachusetts. Registered companies must display their six-digit registration number on all advertisements, contracts, and permits.
HIC Registration is not required for installers or providers of central heating and air conditioning, energy conservation devices (excluding solar panels), wall and floor coverings, interior painting, fencing, freestanding masonry walls, landscaping, above ground pools, shutters, awnings, ground level patios, driveways and certain licensed professionals such as architects, electricians and plumbers who provide services that are exclusively within the scope of their profession.
Office of Consumer Affairs and Business Regulation
Address: 501 Boylston Street Suite 5100 Boston, MA 02116