Garrett Heating & Cooling | Reliable HVAC Services in Collinsville, IL

In our Collinsville area, furnace ignition failures during winter are often due to a dirty flame sensor or issues with the pilot light or electronic ignition system—problems that worsen with older equipment. Our technicians are very familiar with this local issue. We perform a thorough diagnostic to identify the exact cause and clean or replace the necessary components. Our goal is a reliable repair that gets your heat back on quickly, often on the first visit, so you don't have to worry about the next cold snap.

Regular maintenance is key to system longevity, efficiency, and preventing mid-season breakdowns. For Collinsville residents, our maintenance service includes checking and cleaning critical components like burners, coils, and flame sensors—common points of failure here. This proactive care helps your system run more affordably, improves indoor air quality, and allows us to spot small issues before they become costly repairs, especially important for aging HVAC equipment common in our community.

We repair and install all major brands and models. For a replacement, we'll discuss your home's specific needs and budget to recommend a reliable system that's right for you. Most importantly, every installation we complete is backed by our guarantee. We take pride in doing the job correctly, ensuring your new system is set up for optimal performance and efficiency from day one, and we're here for any follow-up support you may need.