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Efficient Buildings, LLC, formerly Caliber Remodeling, opened on Cape Cod in 2005 as a remodeling and home improvement business. In 2009 we made a commitment to the field of energy efficiency and have since focused our work in this area, changing the company's name in 2011 to reflect this new direction. In November 2011 we moved from our location in Sandwich to Bridgewater to better serve our South Shore customers as well as Cape Cod. Our employees bring together many years of varied experience to provide our customers with quality service and performance.  

What Our Customers Are Saying

  • I would like to express how grateful to each and everyone of you for helping make my house warmer for the winter months, its because of you I was able to have insulation and seal areas of my home that wouldn't get done. Thank you!
    Wendy, Wareham, MA
  • Initially hiring Efficient Buildings for some insulation work, we were so impressed by their efficiency, expertise and depth of knowledge that we went on to hire him for a large addition.

  • Your technicians made a scheduled appointment at our house this past Tuesday to complete a work order. We wish to commend you for hiring such competent individuals. They were knowledgeable, personable, task-oriented and totally honest and reliable.

    Melvyn, Plymouth, MA
  • I hired Efficient Buildings to do some insulation work at my house, as I had heard that attic insulation was one of the best ways to cut heating costs, and Efficient Buildings came highly recommended from a friend.

    James Chase, Bridgewater, MA
  • I wanted to tell you how great a job the installers did putting in my attic insulation. My AC has been out for a few days and the insulation has kept the temperature down. Usually a second story would be boiling, but the men did such a great job that I was able to stay here. 
    Diane, Osterville, MA
  • I wanted to drop you a line and tell you how pleased we were with the crew and the fine job they did at my home today.

    George Foley, Bridgewater, MA
  • Hello, this is Marty from Marlborough. I just wanted to thank all the crew for a job well done. Also I was so impressed by the very kind well mannered behavior of the men. It's nice to know there are still nice people out there.

    Marty Silvia, Marlborough, MA
  • After conducting a thorough and (extremely) informative energy audit, Efficient Buildings assessed that the most cost-effective improvements I could make would be some simple air sealing and improved attic insulation -- they didn't try to sell any expensive windows or talk me into having work... Read More

    Ryan Weymouth, Bridgewater, MA
Thermal image of a house exterior, showing where air leaks
October 21, 2017
One of the key components of an effective home energy audit is infrared thermography. Infrared thermography (or infrared imaging, infrared diagnostics, a rose by any other name...) consists of a... Read more
Caulking a window to prevent air from escaping
September 19, 2017
Sometime during your crusade to seal those energy robbing cracks and holes in your home, you're bound to start asking yourself, "Isn't air flow important for a healthy home? Can I take this whole... Read more