"Mr. Phalan took care of a tricky repair to an old style solid wood exterior door on a 2nd floor deck. The door was quite heavy and had several glass panels in it, too. Bob quickly rebuilt the busted hinge and had the old door working “better than new”, in about 30 minutes. Quick and clean job!"

"Installed a three panel front window. Executed well and very professional staff arrived within timeframe. Pleased with the work done and the end product. Despite some small hiccups they were taken care of same day with no delay. Team was respectful and personable to work with."

"I emailed them photos. They had to order replacement hinges, which took a while. Fixing the door was a two person job. They were very professional."

"Rob Calnan and his team were really great!  After contacting a bunch of contractors that take part in the MassSave program, we decided to go with Calnan Energy Systems because he could do the job much faster and to a higher level of quality.   
They took the time to explain the details of the project at every step of the way.  They have a bunch of ladders and the best equipment so that jobs can be done with maximum efficiency.  When a few open seams in our sheathing allowed cellulose to blow into the house accidentally, they didn't miss a step and cleaned up everything to a level even better than they found it.  These guys work hard all day long, from the moment they arrive to the time they finish cleaning up.  
I can't speak to the direct impact on our utility bills since we moved in a short time ago and we have installed a new high-efficiency boiler just before the winter heating season began.  However, we do notice a *slight* reduction in street noise.  I have also taken some infrared pictures of the house (both inside & out) on a very cold night in January and it's clear that we're sealed up tight!  No missing cavities due to framing cross-members, etc.  They also blew insulation into a few porch overhang cavities as well.
Since the job ended I have called Rob with a few insulation questions and he's been super-helpful.
I would highly recommend Rob and his company!
"

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"Phenomenal!!! The gentlemen who installed my new windows did a wonderful job. I thought the project would take days, but they got it done in one day. They were patient with my kids and even answered back when my toddler said Hi Uncle i am very satisfied and will highly recommend them in my REI group when someone asks about window replacement. If I could give more than 5 stars, I would!!"

"We had 2 broken windows to have replaced, one double pane and one single. They were very knowledgeable about windows, particularly older wood frame ones. While quoting he pointed out that the sill was not sloped properly and water build up had rotted the inner sill, so I added that to the job. Their quote was lower than a competitor and the work was very well done. I will definitely use them again when necessary."

"We really like our new windows and sliding glass door. They were very professional and did nice work. Everything looks great!"

"Michael was the ONLY one who responded to be out of 20 different companies when I had a leak from my living room window during a storm in November. Not only did he respond, he showed up in two days and I got the repair done in 3 weeks that was supposed to be at least 6 weeks. I’m so impressed and grateful at the quality of work and efficiency. Will def be asking Michael to replace all of the rest of our windows!!"

"Replaced wood trim on a second story arched window with vinyl. Reasonably priced, work done when promised and looks better than original trim, plus no more maintenance!"