Eric C. Shaw Mechanical

Heating contractor
5.0(17 reviews)
145 Stedman St, Chelmsford, MA 01824
Eric C. Shaw Mechanical

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About Eric C. Shaw Mechanical

Eric C. Shaw Mechanical operates as a heating contractor serving Chelmsford, Massachusetts and surrounding communities. With 17 verified five-star reviews, the company has established itself as a trusted name for residential furnace repair, boiler service, and hot water heater replacement in the region. The business is available Monday through Friday from 5 AM to 5 PM, providing scheduled service appointments for routine maintenance as well as urgent repairs.

What distinguishes Eric C. Shaw Mechanical from typical heating contractors is the team's diagnostic thoroughness and parts sourcing capability. Reviews document cases where technicians located components for discontinued furnace models, a challenge that leaves many homeowners facing full system replacement. The company maintains expertise with Lochinvar boilers and integrates with smart thermostat technology, including addressing compatibility issues between older heating equipment and modern controls. Technicians also guide clients through Mass Save rebate programs when system upgrades make financial sense.

Customer reviews describe specific scenarios where the team delivered beyond expectations. One homeowner contacted the company Thursday for a boiler tune-up and discovered a heating emergency over the weekend; Eric accommodated both issues in a single visit, correctly diagnosing a wiring conflict between an aging furnace and new thermostat rather than the suspected circuit board problem another contractor had misidentified. A Waltham Housing Authority representative notes the team provides detailed explanations during commercial repairs and backs all labor with a warranty.

What Customers Say

All 17 reviews award five stars, with technicians Eric Shaw and Christian named across multiple positive accounts. Customers consistently praise diagnostic accuracy, prompt scheduling, and thorough cleanup after jobs. Three reviews specifically mention same-day or next-day emergency response during heating system failures.

Working Hours

SundayClosed
Monday5 AM–5 PM
Tuesday5 AM–5 PM
Wednesday5 AM–5 PM
ThursdayToday5 AM–5 PM
Friday5 AM–5 PM
SaturdayClosed

Services

Furnace Installation & Replacement

Gas furnace replacement and new system installation with digital operation explanation and post-job cleanup.

Boiler Service & Repair

Annual Lochinvar boiler servicing and emergency diagnostic repair for heating system failures.

Hot Water Heater Replacement

Gas hot water heater installation performed alongside furnace replacement.

Heating System Diagnostics

Technical diagnosis identifying root causes like wiring issues rather than assumed component failures.

Thermostat Programming & Setup

Smart thermostat installation, programming, and troubleshooting for compatibility with legacy systems.

Commercial Heating Service

Multi-unit heating maintenance for commercial properties including detailed repair communication.

Frequently Asked Questions