Scott D.
12/18/2024
excellent communication , they did what they said they were going to when they said it ! very reliable. first class operation . thank you Scott
High Efficiency
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(21)
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378 Route 130
Sandwich, MA 02563
High Efficiency is a local business in Sandwich, MA that specializes in providing energy-saving solutions for residential and commercial properties. Their services focus on improving efficiency and reducing energy consumption through various products and installations.
With a team of experienced professionals, High Efficiency offers consultations and customized recommendations to help clients achieve their energy-saving goals. They aim to make a positive impact on the environment while helping customers save money on their energy bills.
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Reviews
3.021 reviewsChristine Q.
7/21/2025
The initial installation seemed very professional and worked as expected after the 16k investment. This is year 4 of the 12 year warranty period and we had to buy window air conditioners as the...
Joe D.
5/15/2024
We had a new furnace and heat pump installed at our home. Shamus, Eric and Ryan did a great job. They answered every question we had about the new system. It was a pain less install. The new...
Melinda W.
3/11/2024
This company is so unprofessional. They do not give any upfront pricing....they came out 3 times and never resolved my issue...they replaced supposidly cheap parts, without my knowledge, consent...
Kim P.
4/23/2023
Wow, hired these guys to come look at my split AC. I wasnt' home but my room mate was. According to my surveillance cameras they over charged me for a 1/2 hour, and their rate was $269.00/hour...
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