“Can't say enough about this company. Awesome service from first call to fixing my AC. When all other local companies told me two weeks, A&S Nathan did the job immediately and they did it for a reasonable price. Will definitely be using them again in the future because they actually CARE.”

- Matt Muccioli

“Service call yesterday morning, excellent service, exactly why I chose them to install my new furnace a few years ago, ??? Thank You for meeting my expectations!”

- gary lanzaro

“11/6/25 - Today Mark & Sean came for Maintenance of our Navien NCB 240E Combi Boiler. They were Scheduled for a 10 to 12 window and came right at 10am ... They worked efficiently through the checks and cleaning, explaining and answering my questions. Mark also gave me some Valuable tips and information relating to our Unit. Their Service was Greatly appreciated”

- Gil Fevrier

“I reached out for help with my AC unit that wasn’t cooling, and they came out the same day to diagnose the problem. Mark, the technician, was very knowledgeable and took the time to explain the issue clearly. I highly recommend their services to anyone.”

- Carlos Caraballo

“Such a wonderful staff!!!”

- M M

“Amazing fast SAME DAY SWRVICE ! ????? Thank you so much Dave ! Will absolutely recommend !”

- Irene Camara

“Good experience!! Met all stated commitments on time. Would definitely recommend. Thanks”

- Dave G

“Outstanding customer service! I’ve used A&S for both my new AC unit and recently my furnace and I am so pleased with their work. I highly recommended A&S Nathan.”

- Toni Lisi

“Came out same day for a furnace inspection. Very helpful and knowledgeable!”

- Emily Brisch

“We’ve been customers of A&S Nathan for some time so the decision to use them was easy when it came to replace our boiler. The process was easy and the installation was quick and seemless. The staff was professional from start to finish. Thank you!”

- Bridget Stronge