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SIGMA Mechanical Services
Air Conditioning Contractor
Today 8:00 am – 4:30 pm
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A friendly reminder: Make sure to uncover your outside condenser before turning on your Central Air Conditioning systems. With summer headed our way, no one wants a broken A/C!
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If you haven't already, check out our latest blog on why it is important to service your Air Conditioning system to prepare for the coming season!
It's that time of year again! Flowers are finally starting to bloom and before we know it, beach weather will be here! This only means one thing: scrambling to make sure we can stay cool! Sigma Mechanical Services offers an Air Conditioning Tune-up every year, ensuring that your system is ...
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SIGMA Mechanical would like to wish everyone a safe and happy St. Patrick's Day! May the luck of the Irish be with you!
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Today, March 9, 2015, SIGMA Mechanical Services is offering a Service Special! $195 for Spring Maintenance on your Central A/C System! Spring is almost here and this would be the best time to schedule your appointment! Simply print this coupon and hand it to the technician when he comes to your home for your appointment!
Call our office today and speak with the Service Manager, Dan Pascucci, to schedule your spring maintenance! Be sure to mention you will be using this coupon. We look forward to hearing from you! 781-837-9994
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SIGMA Mechanical Services is proud to announce that we will now be offering daily specials! Stay tuned for our first offer tomorrow, March 5th! For more information, check out our website! 
To ensure you have an opportunity to win some of Dave's prizes you'll want to sign up to our email newsletter. Receive premier specials before anyone
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As Mother Nature continues to send snow our way, keep this helpful tip in mind!

During these periods of deep snow, while keeping your furnace and hot water venting clear of snow, you also need to think about clearing out around your gas meter as well.

Your gas meter is often overlooked and it is important to understand that a gas meter buried in snow can cause gas interruption. There is a vent on your meter that must be kept clear. Please refer to the photo below.

This is a relatively easy way to prevent costly service calls in bad weather. However, If you find yourself without heat during these storms, give our office a call! 781-837-9994
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24 people
Hvac Local's profile photo
Jigsaw Heating's profile photo
C.E.D. Compressed Air's profile photo
Mechanical Management's profile photo
Open Book Contracting's profile photo
Steven O'Donnell's profile photo
Burke Associates IT Consulting LLC's profile photo
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Today, March 23, 2015, SIGMA Mechanical Services is offering a Service Special! $195 for Spring Maintenance on your Central A/C System! Spring is almost here and this would be the best time to schedule your appointment! Simply print this coupon and hand it to the technician when he comes to your home for your appointment!
Call our office today and speak with the Service Manager, Dan Pascucci, to schedule your spring maintenance! Be sure to mention you will be using this coupon. We look forward to hearing from you! 781-837-9994
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Today, March 11, 2015, SIGMA Mechanical Services is offering $100 off when adding a Humidifier or an Air Purifier to your Forced Hot Air system! Simply print this coupon and hand to our Comfort Advisor, Rich Bernard, when he comes to your home for your appointment.
Call our office today to set up your free quote appointment! All appointments must be made before April 30, 2015. We look forward to hearing from you! 781-837-9994
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Today, March 5, 2015, SIGMA Mechanical Services is offering $250 off a Central Air Install! Simply print this coupon and hand to our Comfort Advisor, Rich Bernard, when he comes to your home for your appointment.

Call our office today to set up your free quote appointment! All appointments must be made before April 30, 2015. We look forward to hearing from you!

781-837-9994
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Have you been meaning to replace your Air Conditioning system? Now is the best time to do so! Check out our newest blog for more information!
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Sigma is proud to announce that we have been named the title sponsor for Calle's Miracle Run for the third year in a row! We are so glad to be a part of such a wonderful cause, so check out our most recent blog for more information! We look forward to seeing everybody there on April 12th!
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SIGMA Mechanical would like to make sure everyone stays safe as this storm hits the south shore and other surrounding areas. Check out our blog below to make sure your furnace can exhaust properly during a snow storm, avoiding CO2 poisoning. Please don't forget that using your gas stove for heat can also cause CO2 poisoning. 

Our office will be closed tomorrow, January 27th, due to the storm. However, if you have an emergency, please do not hesitate to call and a technician will be happy to help. Try to stay safe and warm! 781-837-9994
The #1 problem homeowners face with big snow storms is keeping the furnaces fresh air intake & exhaust free from snow. It's a very easy fix, if your d
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Contact Information
Map of the business location
41 Rockwood Rd Marshfield, MA 02050
41 Rockwood RoadUSMassachusettsMarshfield02050
(781) 837-9994sigmams.com
Air Conditioning Contractor, Air Conditioning Repair Service
Air Conditioning Contractor
Air Conditioning Repair Service
HVAC Contractor
Today 8:00 am – 4:30 pm
Monday 8:00 am – 4:30 pmTuesday 8:00 am – 4:30 pmWednesday 8:00 am – 4:30 pmThursday 8:00 am – 4:30 pmFriday 8:00 am – 4:30 pmSaturday ClosedSunday Closed
SIGMA Mechanical Services is a full service heating, ventilation, air conditioning, refrigeration, and plumbing company serving Marshfield and the surrounding area. Our technicians use state of the art technology to repair existing systems. We offer 24-hour seven days a week emergency service. As a customer of SIGMA Mechanical Services, we will perform scheduled service checks customized to your needs so that your system will run smoothly and effectively.
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24 people
Hvac Local's profile photo
Jigsaw Heating's profile photo
C.E.D. Compressed Air's profile photo
Mechanical Management's profile photo
Open Book Contracting's profile photo
Steven O'Donnell's profile photo
Burke Associates IT Consulting LLC's profile photo
Lindsay King's profile photo
Alyssa Hanifan's profile photo
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Review Summary
3 reviews
"Sigma installed central AC in our home this spring."
"Inflated prices and horrible customer service."
"After talking with three companies in our area, we selected the Sigma Team..."
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Keith Jenkins
a year ago
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!!
A Google User
4 years ago
Would NOT recommend. Inflated prices and horrible customer service.
Response from the owner - 2 years ago
I'm sorry you feel this way. We work very hard to make our pricing structure work to our customers benefit. We haven't raised prices in three years and can say with total confidence showing up to a home with a fully stocked truck is a great way to save the homeowner money. We are striving for 100% customer satisfaction.
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Dan Hoskin
9 months ago
After talking with three companies in our area, we selected the Sigma Team. Sigma designed and installed the perfect system for our home. We are extremely pleased with their performance.