BEL-O has been a family-owned and operated company since we opened our doors in 1959, we have learned the value of hard work and commitment at an early age. These values have been passed on to the second and now third generation holding true to our founding fathers. Pride is a word that all of us take very seriously. We... Read More

Your search for an honest and reliable HVAC company ends with Heritage Heating & Cooling. Backed by nearly 15 years of service excellence, their EPA-certified technicians deliver the highest quality heating, air conditioning, and indoor air quality services to residents and business owners in O’Fallon and throughout The Metro East. As a family owned and operated company, they take immense... Read More

Founded in 1971 by Syd Spengler, The Spengler Company has been a highly rated service company for 50 years, specializing in plumbing, heating, and air conditioning services. Headquartered in O’Fallon, Illinois, The Spengler Company services the entire metro-east including local communities like Belleville, Fairview Heights, Shiloh, Swansea and outer areas like Edwardsville, Collinsville, Glen Carbon, Waterloo, Columbia, and more. Licensed... Read More