HVAC, Boiler, Furnace, Heat Pump & Mini-Split Service in Waltham, MA

“I always try to support small, local businesses whenever I can, and this was an overall great experience from start to finish! They were incredibly helpful, knowledgeable, and genuinely took the time to make sure I understood everything. I never felt rushed or like I was just another customer. They went above and beyond to answer my questions, explain the products and services, and provide helpful information that I can actually use. It’s not every day you come across a business that is this friendly, informative, and willing to go the extra mile. You can tell they truly care about their customers and take pride in what they do. I highly recommend giving this local small business a try. They were beyond helpful, and I’m very happy I reached out to them! Supporting local businesses is always a win, especially when you find one this good!”

“Josh and his team are professional, experienced and productive! I appreciate that he was able to repair my pipe with an cost effective approach. I would recommend Tandem Mechanical.”

“Very nice. Knowledgeable Would definitely recommend”

“They were quick and efficient. Very nice people they did an excellent job”

“Josh and his team did excellent work! He communicated efficiently and gave us fair and up-front pricing. They also responded quickly! I would highly recommend Josh and his team at Tandem Mechanical to others! We're very happy and satisfied customers!”

“I am a first time home buyer and not familiar with the boiler/heating system in my home and was apprehensive about finding a service provider to service my boiler. I def. made the right choice choosing Tandem Mechanical to service my boiler system. I needed my boiler serviced and Josh and Sam arrived today and serviced the boiler in a professional manner. Josh explained everything they were going to do before they started work. They were punctual, professional and went above and beyond. They also addressed questions I had on two other issues, one which could have been a problem later on if not addressed. I was very impressed with these guys and also the lady I spoke with re: setting up the appointment. Thank you TM! Much appreciated.”