Evertherm Heating and Cooling, LLC

Evertherm Heating and Cooling operates from Holliston and handles central air-conditioning, heating, furnace, boiler, and related mechanical work. Its profiles list central A/C installation and repair, furnace and boiler replacement or repair, HVAC, mechanical work, and sheet-metal work. Customers reviewing the company from 2020 through January 2026 repeatedly describe professional, knowledgeable, and responsive service. Reviews mention fixing HVAC concerns, repairing heat pumps and air conditioners, arriving on time, and completing work efficiently; one January 2026 customer specifically praised the technician and apprentice for being courteous and neat. The profiles report a 4.9 rating from 17 ratings and list emergency services, free estimates, and warranties. A Massachusetts trade license numbered 4720 is listed, while BuildZoom identifies it as a plumbing-business license, so confirm the current license scope and coverage for your HVAC project. Evertherm is a reasonable option to compare for central A/C, heat-pump, furnace, or boiler work in the Holliston area. Ask for a written estimate, confirm equipment and permit responsibilities, and verify the warranty terms before scheduling.