HVAC reviews in Marshfield, Massachusetts

It’s good

Do not recommend. Did not call back. Moved on.

Excellent service and technical expertise. Reasonable prices

First time customer. They were great and under budget. I would highly recommend them.

Phenomenal company always do an excellent job 💯 thanks so much for always helping me out

Sigma has always been a trusted company in my mind. They stand by their work, what else can I ask for?

The technician Jeff was awesome very professional came earlier than scheduled which was great told me everything going on in the process highly recommend

We have had the technician Jeff out a few times for repairs he is always professional, courteous and on time or early. Highly recommend.

Charged $135 to be told they couldn’t install a WiFi thermostat to my heat zones. After 10 min at my house was told I needed electrician to fish wire. In actuality, the wires were right behind the thermostat and the transformer right at the boiler. Shame. Should have reversed the credit card. Beware.

Jeremy is the BEST! We had been through everything with many other technicians and other companies. He came out, knew what we needed and our heat hasn't stopped working since he left. THANK YOU THANK YOU THANK YOU!

Their service and prompt attention to our needs was wonderful. We had a complete HVAC install on 2 levels of our existing home. The techs were very clean throughout the 5 days it took for the install in every room. I called three different companies, received 3 different quotes and Sigma's price was not the least expensive, but competitive. I highly recommend giving them a call.

Sigma installed central AC in our home this spring. The entire process was handled perfectly, from the initial scope / order process through installation and testing. The men installing the system could not have been friendlier or more professional. They cleaned up after every phase of the job entirely. The installation was flawless. We worked with Rich in sales and he too was professional, returned calls promptly and was a pleasure to work with. No complaints!!

Every time I’ve had to call them for repairs over the years (usually for AC on the hottest of days of course) they’ve been great. I appreciate that they explain the issue and communicate well throughout the process. Highly recommend.

Just had 2 condensers repaired by Jeff. Couldn’t be happier. He accurately and quickly assessed my issues. Resolved them in an extremely timely manner. I will be calling Sigma for all of my future ac/heating needs.

Can’t tell you how much I appreciate this service on a particularly hot day.

Don't use!! We've used them as our service provider for heating. Woke up to a massive flood and water shooting out of our unit at 5am ( I suspect they didn't inspect or fix it appropriately during our annual maintenance). Called at 5am and got the call center. They took all my info but got no response. Had to figure out how to shut down the water and unit myself while cold water was spraying everywhere. Called back again at 8am and got call center again. They said they sent the message and tech got the page at 5am when I originally called. Yet no call back from the tech or anyone! Had to call back again at 9am. This time got the office. The woman on the other end couldn't have cared less that my basement was flooded, I had no heat or water, that we're regular customers and that no one called back. She said the tech was on vacation! So why have a calling service if you're not going staff it appropriately or care to respond? Frankly, if the tech called me back and said he was on vacation I would have been fine with that so I could have moved on to another emergency service sooner. Good service and communication really isn't that hard.

Steve & Nick were great. Excellent communication, reasonable price and very tidy service. Would highly recommend!

Our home is 65 years old with forced hot air heating and the ducts have never been cleaned. We hired American Clean Air and they showed up promptly with a crew of 5. They were very thorough and explained every process making suggestions along the way. They are very clean conscious and easy to deal with-the whole process taking a little over 4 hours. They showed us the before and after pictures of our ducts- after 3 days we feel we can breathe a little better with less sneezing and coughing. Yay.
I highly recommend American Clean Air. I'd like to give a shout out to the crew: Dan/Nick D./Nick S./Zack/Steve and Lindsey.

Bob and Tina M.

Jason provided the kind of customer service that is hard to come by nowadays! Jason is informative and helpful, and he and his team were very efficient and thorough and left no mess.

We were very impressed! A++ We will definitely call Jason at American Clean Air the next time we need our ducts cleaned!

Excellent service. Very professional
and friendly also. Completed the job in just a few hours and vacuumed all the affected areas before leaving. I would highly recommend this company

Steve , Marcus, Nick and Dan were the crew on our job. They were polite and neat. Steve was very informative and helpful. He went the extra mile to install filters in all our vents. He educated us on the way every thing works. He gave us advice about our dryer vent which was very helpful. We talked about before and after photos but then forgot to get them.

Steve, Nick, Dan, and Cam did excellent work on my duct system as well as their professionalism when coming in and out of my house! Lindsey did an excellent job in keeping with the administrative task to the numerous day changes I had to make.
Thank you so much!