Derouin's Plumbing & Heating Watertown NY
Business Overview
Derouin's Plumbing & Heating Watertown NY is a local plumbing and HVAC contractor serving the North Country since 1923. They offer residential and commercial work, from routine plumbing inspections to full HVAC installation or replacement. The company provides emergency service for frozen pipes, no-heat calls in winter, and other urgent situations.
Licensed master plumbers and certified HVAC technicians staff the team. Crews are familiar with Watertown homes—older wood-frame houses, newer suburban builds, and seasonal lake properties. The business balances planned maintenance with same-day repairs when needed.
Key Services
- HVAC installation or replacement — furnace, boiler, heat pump, and A/C systems.
- HVAC system repair — diagnostics, seasonal tune-ups, and emergency fixes.
- Plumbing inspection — camera work, leak detection, and maintenance checks.
- Plumbing installation or replacement — fixtures, water heaters, and sump pumps.
- Plumbing repair — blockages, faucet and fixture repair, and sewer work.
- Water pipe installation and water pipe repair — copper, PEX, and service lines.
Areas Served
Derouin's serves Watertown NY and a wide North Country area, including Le Ray, Fort Drum, Van Buren, Lee, Wilna, Volney, Champion, Oswegatchie, Calcium, SUNY Oswego, Palermo, Hounsfield, Rutland, Pamelia, Denmark, Orleans, New Bremen, Pierrepont, De Kalb, Poland, Lyme, Fowler, Watson, Adams Center, Webb, Conquest, Fairfield, West Turin, Newport, Martinsburg, Florence, Fine, Greig, Rodman, Lyonsdale, Steuben, Hopkinton, and De Peyster.
Company History
Started in 1923, the company grew with Watertown through decades of changing heating technology and housing stock. Early work focused on coal- and oil-fired systems; over time the business moved into modern boilers, high-efficiency furnaces, and heat pumps. That long-running local presence means crews know common regional issues, like freeze-related pipe breaks and salt-corrosion in coastal areas near Lake Ontario.
Leadership
Leadership consists of locally based licensed master plumbers and HVAC professionals who live in the community and work seasonally with the local building needs. The team keeps current on code updates and service practices, and they communicate directly with customers about options and timing. Staff members commonly handle both small household repairs and larger commercial projects.
Specialties & Highlights
- Over 100 years serving Watertown-area families and businesses.
- Licensed master plumbers and certified HVAC technicians on staff.
- Emergency response for frozen pipes and heating failures in winter.
- Experience with older foundations, tight crawlspaces, and seasonal properties near Lake Ontario.
Why Locals Choose Derouin's Plumbing & Heating
Residents pick Derouin's Plumbing & Heating for steady, local experience and practical service. They offer clear estimates, skilled technicians, and reliable response during New York winters when heating matters most. For homeowners in Watertown and across the North Country, the company is a familiar option for plumbing, HVAC repair, and system replacement.
Contact Derouin's Plumbing & Heating Watertown NY for routine inspections, emergency repairs, or to discuss installation needs in the region.
Contact Information
Derouin's Plumbing & Heating
: 139 Mill St, Watertown, NY 13601
Business Services
- HVAC installation or replacement
- HVAC system repair
- Plumbing inspection
- Plumbing installation or replacement
- Plumbing repair
- Water pipe installation
- Water pipe repair
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |





