All Phases Mechanical

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All Phases Mechanical operates as a full-service HVAC contractor based in Middleborough, Massachusetts, serving residential and commercial clients across the South Shore region. The company maintains an exceptional 4.9-star rating compiled from 155 customer reviews, reflecting consistent service delivery that homeowners in communities such as Brockton, Plymouth, New Bedford, and surrounding areas have come to rely upon. The contractor maintains round-the-clock availability, meaning assistance remains accessible regardless of when system failures occur. This sustained operational model distinguishes the company from peers who observe more constrained scheduling.
The business distinguishes itself through its approach to equipment servicing and client support. Unlike contractors who sub All Phases Mechanical services every system they install and additionally accepts calls for equipment they did not originally deploy. They provide preventive maintenance packages that include filter changes, a measure directly tied to maintaining lower energy expenses for property owners. The company assists customers with navigating natural gas and Cool Smart rebate programs alongside available tax credits, handling documentation requirements on behalf of homeowners. Their technicians arrive with both formal training and accumulated field experience, enabling them to address unfamiliar installation scenarios with competence.
Customer interactions reveal technicians capable of guiding homeowners through diagnostic steps remotely. When one client experienced heating failure, Carl walked through troubleshooting procedures over the phone, enabling the resident to restore heat without requiring an in-person visit. Another instance involved Victor tackling a furnace installation involving components new to his experience, demonstrating adaptability under unfamiliar conditions. A reviewer described a Sunday emergency call resulting in same-day diagnosis and furnace replacement, with the crew maintaining communication throughout the process. These accounts illustrate the practical responsiveness available through the company's 24-hour service model.
What Customers Say
Five named technicians appear across positive reviews, with Victor and Carl receiving multiple mentions for installations and emergency repairs. Four of five sampled reviews explicitly praise the contractor's willingness to guide homeowners through diagnostic steps, distinguishing their service model from typical contractor responses.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| FridayToday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Heating Installation & Repair
Furnace and boiler installations, emergency heating repairs, and system replacements for residential and commercial properties.
Cooling Installation & Repair
Air conditioning installations, capacitor replacements, coolant recharging, and seasonal readiness checks.
Dehumidification Systems
Installation and servicing of whole-home dehumidification equipment addressing excess indoor moisture.
Preventive Maintenance Packages
Annual service agreements covering filter changes, system inspections, and performance tuning to reduce energy costs.
Thermostat Integration
Smart thermostat installation and connectivity troubleshooting interfacing with existing heating and cooling equipment.
Rebate & Tax Credit Assistance
Documentation support for utility rebates, Cool Smart programs, and applicable federal tax credit applications.