This spring, I worked with John and Sigma-Tremblay on a ducted a/c install at my home after having first worked with them several years ago on an earlier project.
John and team are absolute professionals - kind, decent people who know their field and genuinely want to provide solutions for your project needs. The staff communicated clearly and frequently, the install crew took care of my home while working and were diligent throughout the two-day install, and the cost is fair for the scope of work and current marketplace.
I am very pleased with my decision to invest again in my home with John and his company. And without reservation,... read full review
April 2025
From the first walk-through to the final clean-up, our experience with John and Sigma-Tremblay was exceptional. The owner personally handled the evaluation, quote, and sales process, and even stayed on-site during installation—something you rarely see these days. Every question we asked (and there were plenty!) was answered thoroughly and respectfully; we never once felt talked down to.
Pricing was straightforward and, in our view, very fair for the scope of work. The crew—five professionals each day—completed the entire project in just two days despite several unexpected complications unique to our home. They accommodated every request without... read full review
March 2025
My husband and I have been customers of Sigma Tremblay for over 30 years. We recently upgraded our HVAC systems. John listened to our needs and designed a system that is perfect for our home. We could not be happier! Over the many years we have been customers no matter what the issue they respond with solutions and excellent service. They stand behind their work! I highly recommend John and team they are ALL amazing and have become like family!
This spring, I worked with John and Sigma-Tremblay on a ducted a/c install at my home after having first worked with them several years ago on an earlier project.
John and team are absolute professionals - kind, decent people who know their field and genuinely want to provide solutions for your project needs. The staff communicated clearly and frequently, the install crew took care of my home while working and were diligent throughout the two-day install, and the cost is fair for the scope of work and current marketplace.
I am very pleased with my decision to invest again in my home with John and his company. And without reservation,... read full review
From the first walk-through to the final clean-up, our experience with John and Sigma-Tremblay was exceptional. The owner personally handled the evaluation, quote, and sales process, and even stayed on-site during installation—something you rarely see these days. Every question we asked (and there were plenty!) was answered thoroughly and respectfully; we never once felt talked down to.
Pricing was straightforward and, in our view, very fair for the scope of work. The crew—five professionals each day—completed the entire project in just two days despite several unexpected complications unique to our home. They accommodated every request without... read full review
My husband and I have been customers of Sigma Tremblay for over 30 years. We recently upgraded our HVAC systems. John listened to our needs and designed a system that is perfect for our home. We could not be happier!
Over the many years we have been customers no matter what the issue they respond with solutions and excellent service. They stand behind their work!
I highly recommend John and team they are ALL amazing and have become like family!