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Claim This BusinessMy Dear Watson Plumbing, Heating & Cooling has kept Boston Metro West comfortable since 1987, accumulating 67 customer reviews that aggregate to a 4.7-star rating. This North Chelmsford-based contractor operates Monday through Friday from 7 AM to 5 PM, delivering plumbing, heating, and cooling solutions across Chelmsford and neighboring Middlesex County communities. The team handles everything from leaky faucets to complete bathroom remodeling, maintaining licensed expertise across all three trade disciplines.
What distinguishes My Dear Watson is their dedication to transparent communication. Reviewers consistently praise the technicians for explaining not just what repair is needed, but why the service is necessary and when routine maintenance should occur to preserve system performance. Whether installing a tankless water heater or retrofitting a forced-air heating system, the crew leaves workspaces clean and tidy after each job. Their same-day emergency response has earned loyal repeat business from homeowners and contractors alike.
Gordon, the owner, personally answers service calls and dispatches teams within hours, not days. When one reviewer's CO detector alarm triggered a fire department recommendation, Gordon's two technicians arrived the following morning and resolved the ventilation issue in 15 minutes by installing a vent placed higher to prevent snow blockage. Another homeowner's shower repair was diagnosed and completed efficiently, with the plumber explaining options clearly before proceeding. These name-specific scenarios appear repeatedly across five-star reviews.
All five detailed reviews award 5 stars, with each reviewer specifically naming Gordon or his technicians and praising diagnostic explanations, same-day response capability, and workspace cleanliness.
| Sunday | Closed |
| Monday | 7 AM–5 PM |
| Tuesday | 7 AM–5 PM |
| Wednesday | 7 AM–5 PM |
| ThursdayToday | 7 AM–5 PM |
| Friday | 7 AM–5 PM |
| Saturday | Closed |
Leaky faucets, drain clogs, and fixture issues resolved with clear explanations and clean workspaces.
Complete bathroom plumbing installations and remodeling for renovations.
Installation and maintenance for traditional and tankless water heater systems.
Certified gas line installation and repair for appliances and heating equipment.
Furnace and boiler installation, maintenance, and emergency heating repairs.
AC installation, tune-ups, and cooling system maintenance for summer comfort.