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My Dear Watson Plumbing, Heating & CoolingHVAC contractor in Chelmsford, MA

My Dear Watson Plumbing, Heating & Cooling is an HVAC contractor at 10 Tyngsboro Rd, North Chelmsford, MA 01863, ranked #29 of 99 handymen in Chelmsford and rated 4.7 from 54 Google reviews. Open Monday to Saturday.

Chelmsford, MAUpdated 0 paid placements in any rankingHow we rank

Call (978) 251-2994Website ↗

Key facts

Key facts about My Dear Watson Plumbing, Heating & Cooling
Address10 Tyngsboro Rd, North Chelmsford, MA 01863Get directions
Phone(978) 251-2994
Websitechelmsfordplumberworks.com
HoursMonday to Friday: 7 AM – 5 PM; Saturday: 7 AM – 7 PM
Google rating4.7 from 54 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingbusiness name
  • Handymanadditional Google category

Service area

Serves Chelmsford and 11 towns within 25 miles: Tyngsboro, Lowell, Dracut, Westford, Tewksbury, Billerica, Acton, Pinehurst, Methuen, Bedford and Lawrence.

Based in Chelmsford, MAView on map

Opening hours

Opening hours for My Dear Watson Plumbing, Heating & Cooling
DayHours
Monday7 AM – 5 PM
Tuesday7 AM – 5 PM
Wednesday7 AM – 5 PM
Thursday7 AM – 5 PM
Friday7 AM – 5 PM
Saturday7 AM – 7 PMevening
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

My Dear Watson Plumbing, Heating & Cooling compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
My Dear Watson Plumbing, Heating & Cooling (this business)—534.7 (54)—YesNo
Graeff & Pyles - Carpenter / Painting#27545.0 (95)—YesNo4.1 mi
Bowe's Home Repair#28545.0 (7)—YesYes13.4 mi
AF handyman carpenter#30535.0 (27)—YesNo3.8 mi

See all 99 ranked handymen in Chelmsford

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.7from 54 Google reviews

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Questions about My Dear Watson Plumbing, Heating & Cooling

How is My Dear Watson Plumbing, Heating & Cooling ranked in Chelmsford?

My Dear Watson Plumbing, Heating & Cooling is ranked #29 of 99 handymen in Chelmsford by CR Score, with 53 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are My Dear Watson Plumbing, Heating & Cooling’s hours?

My Dear Watson Plumbing, Heating & Cooling is open Monday to Saturday. Its listed hours are Monday to Friday, 7 AM – 5 PM; Saturday, 7 AM – 7 PM. On Saturdays it is open 7 AM to 7 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does My Dear Watson Plumbing, Heating & Cooling serve?

Serves Chelmsford and 11 towns within 25 miles: Tyngsboro, Lowell, Dracut, Westford, Tewksbury, Billerica, Acton, Pinehurst, Methuen, Bedford and Lawrence. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about My Dear Watson Plumbing, Heating & Cooling?

My Dear Watson Plumbing, Heating & Cooling has a rating of 4.7 from 54 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact My Dear Watson Plumbing, Heating & Cooling?

Call My Dear Watson Plumbing, Heating & Cooling on (978) 251-2994. The business is at 10 Tyngsboro Rd, North Chelmsford, MA 01863. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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