Just wanted to share, thought I'd mention HVAC services in Illinois—particularly in the Northern Illinois area. With the unpredictable weather patterns we get around here, it’s super important to have a solid heating and cooling unit. I just had work done by a local HVAC company called Optimized Air HVAC North Chicago (https://www.bitsdujour.com/profiles/ntjVHu) Air Heating and Cooling in Round Lake, and they were great—prompt service, competitive prices, and walked me through the whole process. If you're experiencing furnace problems or need an AC service before the upcoming summer, I’d definitely recommend finding a trusted company that understands Illinois weather. Stay warm!