San Luis HVAC - Buffalo Grove's Best HVAC Repair

Our Precision Tune-up is a thorough inspection and maintenance service for your air conditioner, furnace, or whole-house humidifier. It includes checking system components, cleaning key parts, testing safety controls, and verifying efficiency. This preventative service helps catch small issues before they become major repairs and is designed to extend the life of your equipment while improving its performance, all for one clear, upfront price.

Frozen coils are often caused by airflow restrictions or low refrigerant. When we respond to this issue, our first step is a complete diagnostic to find the root cause. We'll show you the problem and the flat-rate repair cost from our manual before proceeding. Our repair focuses on solving the underlying issue—whether it's cleaning a clogged filter and coil, fixing ductwork, or sealing a refrigerant leak—to prevent it from happening again and restore efficient cooling to your home.

Yes, all our repair work is fully guaranteed for 90 days from the date of service. This guarantee covers both parts and labor for the repair performed. We stand behind our technicians' work and want you to have complete confidence in the repairs made to your heating or cooling system.