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

AC Installation & Repair in Newbury MA

Whether you need to have your AC unit repaired, or you simply want to upgrade to a newer model of your current system, Mainstream Mechanical can help! We can assist you in deciding which type of air conditioning system would be best for your home. We offer sales, repair, and installation for numerous AC systems in Newbury.

AC Unit Repair Services

Central AC systems are complex and consist of many parts that can fail over time. If these problems aren't resolved, a number of problems may arise. Fortunately, our certified technicians can diagnose the source of these problems and promptly resolve them. Here are some of the AC repair services we offer:


  • Coil cleaning

  • Start/Run Capacitor replacement

  • Contactor replacement

  • Rodent damage repair

  • Refrigeration charge trimming

  • Fix tripped circuits

  • Replace clogged filters

  • Remove clogs from condensate pumps

AC System Installation

Looking for a new AC system for your home? There are many benefits of energy-efficient air conditioning systems. Increased performance means that energy-efficient AC units not only lower the cost of your cooling bills, but also last longer than standard systems. In some cases, these systems can even earn you incentives, rebates, or tax credits. We install any of the following AC systems:


  • Central AC – Central AC systems are perfect for larger homes with multiple rooms. They operate quietly and efficiently to cool each room in the house.

  • Ductless AC Units – Ductless AC is an ideal option for both small and large homes. The discreet wall units can be remotely operated, cooling multiple zones in your home.

  • Hi Velocity AC systems – Unico AC systems are versatile, and can be routed through existing walls to cool homes of any size. These high performance systems are ideal for large spaces with unconventional layouts.

AC Consultations in Newbury MA

If your AC system needs critical attention, or you’re just not sure what your cooling options are, why not call the experts at Mainstream Mechanical? Reach out today at (978) 834-0849 for a no obligation consultation and assessment of your AC units.

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