Furnace repair, air conditioning installation, heat pump services, ductless mini split systems, indoor air quality services, and more to keep your home comfortable year-round.
Full-Service Home Solutions
HVAC Contractor, Plumbing & Electrical Services in Watertown & Jefferson County
AC/DC Mechanical, LLC is the HVAC contractor Watertown homeowners trust for heating, cooling, plumbing, and electrical work under one roof.
One Local HVAC Contractor for Every Trade Your Home Needs
Homeowners from Watertown to Clayton and out to Lowville trust AC/DC Mechanical because we cover the trades that keep a house running, not just one narrow specialty. As a full-service HVAC contractor, plumbing contractor, electrician, and general contractor rolled into a single company, we save our neighbors the hassle of juggling three or four separate vendors for one project. From a furnace that quits on the coldest night of the year to a bathroom overdue for a refresh, we handle it all under one roof.
Our technicians are trained across heating and cooling services, plumbing repair and installation, electrical wiring, and home repair services, so whether you're dealing with a drafty living room off Public Square or planning a kitchen and bathroom remodel in a Sackets Harbor cottage, we bring the right skills to the job. We also handle commercial property maintenance for business owners in Jefferson and Lewis Counties who need one reliable contact for building upkeep.
Every job, big or small, starts with an honest assessment and a clear explanation of your options. That's how we've built our reputation across Antwerp, Carthage, Gouverneur, and the Thousand Islands region: straight answers, fair pricing, and work that holds up through another North Country winter.
Our Services
Browse Our Home Service Categories
Below are the core service categories we offer throughout Watertown, Jefferson County, and Lewis County. Each one links to a full breakdown of the specific work we perform, so you can find exactly what your home needs.
Explore HVAC Services
Drain services, water heater installation, tankless water heater services, repiping services, and plumbing fixture repair from a plumbing contractor you can count on.
Electrical panel upgrades, wiring and rewiring, generator services, EV charger installation, and troubleshooting from a licensed electrician.
Bathroom remodeling, home improvements, and full project management from a general contractor who oversees the job from start to finish.
Home repairs, installation and assembly, and maintenance projects handled by a versatile handyman crew for jobs that don't need a full remodel.
Around-the-clock emergency HVAC services, emergency plumbing, and emergency electrical services when something goes wrong and it can't wait until morning.
Real Problems We Solve
Common Home Issues Across Jefferson & Lewis County
North Country weather is hard on homes. Long, cold winters and humid summers put real strain on heating systems, plumbing, and electrical panels, especially in the older housing stock found around Watertown, Carthage, and the Thousand Islands.
Here are the issues our team gets called out for most often:
- A furnace or boiler that won't hold a steady temperature through a January cold snap, calling for prompt heating services or emergency heating repair
- Air conditioning repair needs during humid summer stretches near Lake Ontario and the St. Lawrence River
- Aging electrical panels that trip breakers or can't handle modern load, requiring electrical repair or a full panel upgrade
- Water heaters that run out of hot water fast, often solved with tankless water heater services
- Dusty ductwork or stale indoor air, addressed through air duct cleaning and indoor air quality upgrades
- Heavy lake-effect snowfall that buries driveways and walkways, handled with reliable snow removal services
What Our Neighbors Say
Trusted by Homeowners Across the North Country
★★★★★
First off, called back promptly. Showed up on time. Did a great job.
★★★★★
Couldn't be happy with the quality of work we always receive! Some of the best work I've seen and its always a pleasure working with AC/DC, Very refreshing experience every time!
★★★★★
Anthony was awesome. Great job finding out the problem with no hot water and fixed it quickly and efficiently.
★★★★★
Anthony is a diamond in the rough capable of doing so much efficiently while maintaining a great work ethic and attitude. We just had him install the AC unit for our home after changing the position of our furnace and doing all the duct work by hand. He continues to be our first call for any work we have because we trust it’ll get done and done well. For anything you need trust in Anthony!
★★★★★
Great experience highly recommend. Did some propane hook up work and everything works great, looks neat, and he was professional and friendly as well as knowledgeable. Will continue to go to for projects.
★★★★★
Very professional and friendly. Would recommend to anyone.
★★★★★
Anthony did an outstanding job. He's very neat, professional, he is very experienced in HVAC. We could not be happier with his work ethic I would highly recommend his company to anyone looking for HVAC.
★★★★★
Very happy with Anthony’s work- he stuck to it until he discovered the faulty valve core. I’d highly recommend him!
★★★★★
Showed up within hours of my call. Stayed late and got the job done. He explained the problem in terms I could understand and provided a reasonable solution in terms I could also understand. Highly recommend. Thank you
★★★★★
Excellent service!!! Thank you for a wonderful experience. Great plowing, never missed a day, always came early and rechecked in evening. Thank you for your service Anthony!
Get Started
Ready to Get Your Home Back on Track?
Whatever brought you here, a broken furnace, a leaky pipe, a flickering breaker, or a home project you've been putting off, AC/DC Mechanical is ready to help. Call our Watertown team or request service online, and we'll get a technician scheduled quickly.
