Diaz heating promptly came to my home, checked my boiler and determined I needed a new Thermo-coupler. They even had the replacement part in their van, so I was good to go in about 30 minutes. Great service. I felt that Diaz heating and cooling were careful, knowledgeable, courteous and qualified. They knew all the ins and outs of my boiler and I felt safe and reliable with the work done. They explained to me what was and why I had a problem with my boiler shutting off. I would call Diaz about any heating or cooling issue.

Fast and honest.