John Thielmann & Sons

Mar 2023

I experienced Thielmann & Son's service through my Costco membership. If that does not tell you something, allow me to expand. From the moment of receiving a call from their front desk to the completion of the project, every bit was clock work professional, clean, and honest. Measurements and size of the HVAC system, explanations of what each term means and how it impacts the home, energy consumption, etc were all provided with a lot of patience. I had enough time to do my own research regarding pricing, current labor, comparison of brands and models, etc. I am impressed by these folks and their business model. The work was spot on, clean and surgically executed. I am...read full review

Mar 2023

My entire experience with Thielmann has been seamless from meeting with salesman Wayne to the install of my furnace. The techs were friendly and courteous and arrived on time. I was also impressed with the friendliness and professionalism of their office staff. I highly recommend Thielmann!

Jan 2023

My family of 6 was w/o heat. Called late afternoon and they found a way to send someone out to look and quote me. Just amazing to see the great reviews and then get someone out that fast was so needed w/ no heat. The Gentlemen took the time to explain the benefits of high efficiency and the cons. Also, the pros/cons of the regular boiler system we already had. Told them I needed to confer w/ my wife that night. I contacted a day later and said please schedule me at the earliest for installation. I was worried as the chap mentioned they had to ship the boiler from Ohio. Upon hearing back from the office the guy already had the unit on its way and tentatively scheduled...read full review