Thielmann & Son Heating and Cooling - Hartford's Top-Rated HVAC Repair

Given our Wisconsin winters and humid summers, efficiency and proper sizing are key. A system that's too large or too small for your home can lead to uneven temperatures and higher utility bills. Our process starts with a free, detailed estimate where we assess your home's layout, insulation, and your specific comfort needs. We'll explain your options, including high-efficiency models that can significantly reduce your energy costs, and help you navigate available financing to make the upgrade manageable.

Absolutely. Uneven heating is a common challenge in many area homes, often caused by an aging or improperly sized system, ductwork issues, or lack of zoning. Our technicians are trained to diagnose the root cause, not just the symptom. We'll check your ductwork for leaks or blockages, evaluate your furnace's performance, and may recommend solutions like a zoning system or duct modifications to balance airflow. Our goal is to deliver consistent comfort to every room in your house.

Yes, we provide thorough HVAC maintenance services. Regular maintenance is the best way to extend the life of your equipment, improve efficiency to help control costs, and prevent inconvenient breakdowns, especially during extreme weather. Our maintenance visits include cleaning, inspection, and tuning of critical components. As a family business that's been here since 1929, we believe proactive care is part of providing dependable, long-term service to our neighbors in Hartford and the surrounding communities.