Top-Notch HVAC Repair in Monticello, MN

Thelen Mechanical offers professional HVAC services that you can rely on to keep your furnace or boiler functioning properly throughout the colder months. Our friendly service covers routine maintenance and repairs for all ages, makes, and models of HVAC systems. Our skilled technicians will provide all of the necessary repairs needed and thoroughly check your system to make sure that it is functioning at its best.

Benefits of Professional HVAC Services

When you turn to Thelen Mechanical for professional HVAC services, you will enjoy quality work from friendly technicians. Whether you need help with installation, maintenance, or HVAC repair in Monticello, MN, we can ensure your comfort this winter. Professional care of your furnace or boiler will give you peace of mind when it comes to safety and performance. We will make sure you have the right system for your individual needs and provide you with repairs and maintenance that last.

Signs You Need HVAC Repair

There are a few signs you can look for that will indicate that you need our repair services. First of all, is an odd odor. A musty smell often means that the unit and ductwork needs to be cleaned. In addition, look for poor air quality due to dirty filters that often result in an increase in colds, coughs, and allergies. Although no furnace is silent, you should also be aware of unusual noises that may come from the fan. Most importantly, watch for uneven heating. Cold rooms are definitely a sign that you need professional HVAC maintenance.

Common HVAC Issues

As a property owner in the local area, you will undoubtedly experience HVAC issues from time to time. This includes the following.

  • Neglected Maintenance
  • Increased Operating Costs
  • Poor Heating
  • Problems Igniting
  • Broken Thermostat
  • Short Cycles



If you are experiencing any of these issues, we can come to your home and inspect your system thoroughly. Many of these issues can be corrected easily by cleaning the unit and replacing air filters. If we discover a more serious problem, an HVAC contractor from our team can do the necessary repairs to make sure that your HVAC system is once again functioning properly.

Why Choose Thelen Mechanical for HVAC Services

Whether you need repairs, routine maintenance, or HVAC installation, Thelen Mechanical can help. Our technicians are certified and highly skilled in fixing and maintaining your heating system, and when it is time to replace your unit, we will help you find the perfect one for your needs while staying within your budget. We will discuss which units are best suited for you. This quality service is the reason we are an Angie's List Super Service Award recipient. We serve clients in:


Contact Us Today!

Call us now or fill out our online form on this website to ensure the performance of your HVAC system. We will make sure your home is thoroughly prepared long before the cold winter weather sets in. Our professional plumber in Monticello, MN also provides a wide range of quality plumbing services.

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