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  • Mass Save | Compressed Air Systems

    Compressed air is one of the least efficient and most expensive energy sources in the industry. Businesses can reduce energy costs by installing new, energy-efficient air compressors, nozzles, low-pressure drop filters, zero-loss condensate drains, and more.

  • Room Air Conditioners | Residential | Mass Save

    ENERGY STAR® certified room air conditioners help keep your home cool and save energy.

  • Commercial Building Thermal Envelope Part 3: Air Sealing & Air Leakage Testing

    This is one hour webinar covering the Commercial Thermal Envelope.

  • Air Source Heat Pumps Use and Maintenance Tips | Mass Save

    Maximize your savings and comfort.

  • Three Steps to Buying the Right Air Conditioner

    July 10, 2017

    In ancient times, the Greeks and Romans called the four or so weeks at the peak of summer the “dog days” – the time when Sirius, the dog star, rises just before the sun. In those days, hot, sluggish, steamy weather often led to sickness, famine, or other catastrophes.

  • Cape Air and Provincetown Airport Make Energy Efficient Upgrades - and Savings - a Reality

    May 11, 2021

    Cape Air, an employee-owned company based in Hyannis, Massachusetts, has grown from three flights a day between Provincetown and Boston in 1989 to 400 flights a day in 2021.

  • When Air Conditioning Is a Must, Use These Tips

    April 6, 2017

    With the National Weather Service predicting a hotter than average summer for the Northeast this year, there will likely be a point when your shades and fans aren’t enough to keep your home cool and comfortable. If you don’t have central air conditioning, you might consider putting in a window air conditioner. If you reach that point, the following tips for selecting and installing your air conditioner will help keep your home cool—and help you save energy—as the weather heats up.

  • Replace Your Furnace and Central Air Conditioning Systems at the Same Time for Maximum Savings

    April 6, 2017

    A famous writer once said “There’s nothing like staying at home for real comfort.” Coming home from a long, cold, dreary day and being greeted by a nice, warm, cozy home is something to look forward to, all thanks to the wonders of modern technology – more specifically, your heating system. Or how about those random hot fall days that seem to come out of nowhere and leave you wanting to arrive in a nice, cool, air-conditioned home? Without your Air Conditioning (AC) system, comfort would be hard to find when those days roll around.

  • Shut Out The Cold When You Air Seal Your Home This Winter

    November 1, 2017

    Do you find yourself wrapping up in a heavy wool blanket at all times just to keep warm at home even though your heating system is constantly running? Or have you noticed your energy bills getting larger and larger as the days get colder and colder? Your home may have air leaks, and it is costing you money in wasted energy.

  • Breathe Easy with Improved Indoor Air Quality This Allergy Season

    April 6, 2017

    Spring is finally here! For many, the first sign of spring is welcomed with open windows; for others, sneezing, sniffling, and itchy eyes accompany the change in seasons. While “spring cleaning” has become synonymous with organizing, cleaning, and preparing your home for the wonderful days ahead, it’s equally important to not overlook another benefit of thorough spring cleaning—improving indoor air quality.