At Leith Heating & Cooling, we proudly provide the Barrington, IL, area with quality furnace maintenance services. Scheduling yearly preventive heating maintenance is an important part of being a homeowner. This yearly heating tune-up helps your furnace run in an efficient manner without consuming excess energy. Regular maintenance also ensures that you have even heat throughout your home. Plus, it is much easier to maintain good indoor air quality when your heating unit is properly maintained.