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    A properly designed and sealed duct system creates an enjoyable, efficient, and safer household. For ductwork sealing in Sandwich, Wareham, Plymouth, Rochester, MA & surrounding Cape Cod areas, look no further than High Efficiency.

    Duct Sealing from High Efficiency

    Established in 2010, our NATE-certified technicians combine years of in-field experience, state-of-the-art toolsets, cutting-edge technology, and exemplary workmanship to complete all jobs to our customers’ satisfaction. If you are looking to upgrade to a new HVAC device, ensuring your ductwork is well sealed and aligned properly may allow you to downsize to a smaller, less costly heating and cooling device that will provide better dehumidification.

    Call on the Experts When Your Ducts Are in Need

    In Sandwich, Wareham, Plymouth, Rochester, MA & surrounding Cape Cod areas the winter season is brutal and has us retreating in our households for months. To stay comfortable, we rely on our heating equipment for the vast majority of the year. A leak in the duct system severely impacts our comfort level. Allow our technicians to adjust your ductwork to keep the air where you want it. We even have an in-house sheet metal fabrication shop. So we can access all parts of your ductwork and perform repairs without being invasive. You won’t experience any delays or unexpected costs along the way either.

    Duct Sealing Near Me, Duct Sealing & Air Duct Sealing Sandwich, MA, Osterville, MA, Cape Cod, MA, Barnstable, MA, Sagamore, MA & Mashpee, MA

    Air Duct Sealing in Cape Cod, MA | Duct Sealing Sagamore, MA | Duct Sealing Near Me Osterville, MA

    Air Duct SealingDuct SealingDuct Sealing Near Me ∴ Sandwich, MA ∴ Osterville, MA ∴ Cape Cod, MA

    Proud Partners of the
    Mass Save Program

    Learn how High Efficiency and High Efficiency Energy Solutions can help you save energy and money with the Mass Save program.

    84 months interest free – We Handle All the Paperwork – Call Us now to find out more info at 508-825-3695!

    What Your Neighbors Are Saying
    Customer Reviews
    I can’t recommend this company enough. I chose them to install my new gas water heater and mini split system. Every part of this company is professional; from the office...
    Tyler A.
    High Efficiency is our go to for all plumbing and heating needs. They are quick to respond and get the job done right the first time. I would recommend this...
    Christopher C.
    The Service here is Top Tier, they are highly efficient, quick, and friendly. All of the techs I have came in contact with have been professional and knowledgeable. I would...
    Jamesa W.
    Our experience with High Efficiency was excellent! They came out the day we called them, and for necessary return visits, they were prompt and reliable. In phone calls to the...
    Sandra D.
    I used High Efficiency for the first time for maintenance on my Furnace and Hot Water boiler. I heard some odd noises coming from the Furnace and was concerned. My...
    Sean H.
    I recently had a very positive experience with High Efficiency. They replaced my A/C unit. Conditions were challenging (small crawl space attic). Technicians were knowledgeable, professional and ensured a proper...
    Thomas D.
    High Efficiency was amazing!!! My pilot on my boiler went out and the next day High Efficiency was here to inspect clean and service my boiler. My old boiler will...
    Brian C.

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