Home Heating Systems

Installation, maintenance, and repair services improve the energy efficiency of your home and reduce heating costs. learn more

Air Conditioning

Central AC Systems

Efficient and affordable central air conditioning systems improve indoor air quality and help you beat the heat. learn more


All Your Plumbing Needs

From emergency plumbing services to complete plumbing system renovation and remodeling, we do it all. learn more


We Are Where You Are

Massachusetts and southern New Hampshire residents rely on Main Stream Mechanical. learn more

Professional Plumbing Services in Exeter, NH

Are you looking for plumbing experts who can do it all? Mainstream Mechanical is the team for you. Whether your needs involve plumbing inspections, repairs, or new system installation, our professional plumbers are ready to serve you.

Leaking Water Pipe Repairs in NH

Are your faucets damaged or leaking? There are a number of issues that can cause sinks to leak. They range from flawed or damaged hardware to poor installation. Sometimes the fix is easy, and sometimes the issue goes beyond the surface. If you are experiencing leaking hardware, leaking pipes, or water collecting near the plumbing systems in your basement, it’s time to call the experts at Mainstream Mechanical.

Plumbing Installation for New Kitchen Remodels

Are you looking to have your kitchen or bathroom renovated? Mainstream Mechanical works alongside your contractors, providing plumbing system installation for new construction and renovations. Reach out to us today to discuss the scope of your plumbing needs, and make sure the project is done right!

Sump Pump Repair & Installation

Sump pumps perform an important function, ensuring that any collected water in your home is expelled smoothly. When any of the various parts of your sump pump fail, it’s unable to perform its functions properly. This can lead to water collecting on your property and damaging your home. If your system isn’t working the way it should, it’s time to contact the experts at Mainstream Mechanical!

Plumbing Fixture Installation

  • Comfort-height toilets

  • Handicap shower fixtures

  • Washer and dryer hookups

  • Water heater installation

  • Burst pipe and faucet repair

Plumbing Installation & Service in Exeter, NH

At Mainstream Mechanical, we pride ourselves on being able to service every plumbing system in the home. Whether it’s big or small, our licensed team is prepared to repair or replace your plumbing systems quickly and affordably. We’re happy to service residents in the Exeter area. Contact us today!

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