JML Heating and Cooling | Experienced HVAC Services in Des Plaines, IL

Our maintenance service is designed to keep your Chicagoland heating and cooling systems running efficiently and reliably. For furnaces and boilers, we perform thorough inspections, clean critical components, check for gas leaks or carbon monoxide issues, and ensure proper airflow. For air conditioning, we check refrigerant levels, clean coils, inspect electrical connections, and calibrate thermostats. This proactive care can improve performance, extend the lifespan of your equipment, and help prevent common local issues like blower motor failures or heating imbalances.

Absolutely. Radiator heating imbalance is a common issue in many older homes in Des Plaines and the Northwest suburbs. Our technicians are experienced in diagnosing and correcting these problems. We can assess your boiler's performance, check for issues like trapped air in the lines, inspect radiator valves, and balance the system to ensure even heat distribution throughout your home. Proper balancing improves comfort and can also increase your system's overall efficiency.

Yes, we offer service contracts for both heating and cooling systems. For homeowners in our climate, these contracts provide scheduled maintenance that prepares your furnace for harsh winters and your AC for humid summers. Benefits include priority scheduling, discounts on repairs, thorough seasonal tune-ups to catch small issues before they become major problems, and often enhanced warranty protection. It's a practical way to manage your home's comfort systems with predictable costs and the peace of mind that comes with consistent, professional care.