Experience the Difference of Thielmann & Son
Heating and Air Conditioning
Thielmann & Son Heating has been providing the best climate comfort products along with money saving solutions and superior customer service to Southeast Wisconsin since 1929. Our team prides ourselves on timely service, competitive pricing, attention to detail and our willingness to always go the extra mile for our customers.
Lennox Winter Promotion
We know that every home is different. Our comfort specialist will come to your home to discuss your needs and expectations, survey your current equipment and review the layout and square footage. We will then provide you with options (if possible) that best meet and exceed your expectations.
We understand the importance of keeping your co-workers and customers comfortable, also that time may be of the essence. Our comfort and systems specialist will come to your business to discuss your needs and expectations, survey current equipment, layout, square footage and any additional information needed to accomplish your heating and cooling goals.