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About My Dear Watson Plumbing, Heating & Cooling

The owner of My Dear Watson has been in the plumbing, heating and cooling industry for nearly 30 years, working in the Middlesex County for nearly all of it.

Homeowners start as customers and turn into clients calling My Dear Watson back to their home year in and year out. At MDW we stand behind our services for as long as you live in the home. We pride ourselves on doing quality work using time tested materials and equipment ensuring customer satisfaction. If and when problems arise, we take care and follow up in a manner that suits our client needs at that time. When emergencies arise MDW goes out at nights and weekends.

Our technicians are constantly training and learning new disciplines to properly serve our client base and stay ahead of the ever changing plumbing industry.

Licenses / Credentials :

• Master License #13308
• EPA Certification #PB5D44001943B8ENO
• Oil Burner Technician Certification #127967
• National Comfort Institute Carbon Monoxide Certified #C0601806
• NCI Air Balancing Certified #0709519

We specialize in:

  • Carbon Monoxide Testing
  • Oil Burner Service/ Gas Piping
  • Air Conditioning
  • Plumbing & Heating
  • Solar Space & Hot Water Heating

Gordon Gauntlett started his first plumbing and heating company in 1987 under the name Master Plumbing and Heating. Gordon sold the company to pursue another business adventure. When all was said and done, in 1997 Gordon started Gauntlett Building Services to incorporate all of his talents in the building business. All was great until the down turn in the economy affected the home renovation market. At this time, Gordon wanted to get back to his roots and start another mechanical based business in plumbing, heating and cooling. In 2009 Gordon created My Dear Watson, a division under GBS. This was something he could build and brand as a destination for homeowners who are looking for a mechanical detective. Since 2006 Gordon has aggressively pursued hands on training and business classes for the service market. My Dear Watson you’ve done it!

My Dear Watson Plumbing, Heating & Cooling was established in 2009 by Gordon T. Gauntlett Jr. With over twenty years of experience in the building trades Gordon is a master plumber and a licensed general contractor in the State of Massachusetts.

Gordon Gauntlett ~ President
My Dear Watson Plumbing, Heating & Cooling


10 Tyngsboro Rd, North Chelmsford, MA 01863

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