KTS Heating & Cooling | Experienced HVAC Repair in Chicago, IL

We provide a full range of HVAC services to keep Chicago homes comfortable year-round. This includes installation, repair, and maintenance for both heating and cooling systems. Specifically, we handle air conditioning repair, furnace and boiler services, and ductless mini-split systems. Our preventative maintenance plans are designed to help Chicago residents avoid major breakdowns during extreme weather.

Short-cycling is a common issue in Chicago, often caused by a dirty air filter, improper airflow, or a faulty thermostat. It strains your system and increases energy bills. We recommend turning off the furnace and checking the filter first. For safety and an accurate diagnosis, our technicians can inspect your system to identify the root cause—whether it's a simple fix or a sign of a larger component failure—and provide a reliable repair.

Yes, we provide 24/7 emergency heating and cooling services for the Chicago area. We understand that HVAC failures can happen at any time, especially during our harsh winters or humid summers. Our team is available around the clock to respond to urgent repair calls, helping to restore comfort and safety to your home or business as quickly as possible.