Get matched with top central a/c service or repairers in O Fallon, MO

"The maintenance service was very easy to schedule. The service tech was punctual, professional and very thorough. We had them provide a quote on a subsequent repair; however, we went with a different provider due to price/availability."

"I recently had a positive experience with Dunn Service regarding boiler issues, and I wanted to share my thoughts. The technician arrived promptly at the scheduled time and approached their tasks with expertise and precision, ensuring that all problems were thoroughly addressed. The pricing for their professional services was reasonable. Overall, based on my experience with Dunn Service—characterized by politeness, professionalism, and fair pricing—I would highly recommend their services to anyone facing heating and air conditioning issues."

"Great customer service when I called for service. Expert technician that diagnosed the problem and quickly repaired my AC."

"Great job with AC repair!"

"Scott was our technician and he did a great job. He was super friendly and went the extra mile for us. The drain services we needed were not typical but he was able to complete them within the estimate that he gave us in terms of time and money. We are planning to have more work done by him if our budget permits, and he will be our first call for any issues going forward."

"David, was very pleasant, professional, diagnosed items that needed repair to prolong the life expectancy of the units, reasonable pricing, job well done, I will hire them again if the situation arises."

"Glen the repair man was fantastic. Installed new kitchen faucet within one hour. Quality workmanship, clean and neat. It was an honor to meet this distinguished Marine Core Vet."

"Adam is a very honest person who cares for his customers. He is very knowledgeable & always takes time to explain what the problem is & how he can fix it. He is always on time for his service call."

Wisemen Heating Cooling is a family owned company that focuses on tradition of craftsmanship and service. My father built a respected general contracting business that served our community with integrity and care. We are your best choice in St Louis and the surrounding communities for all your home improvement needs! We take great pride in every project we do and our customer's complete satisfaction is our top priority! Call us today for a free estimate!

"I highly recommend AAA home services. They installed a brand new HVAC system and the entire process was trouble free every step of the way. I have had them out to service the system twice a year and the scheduling to do so is easy and the service has been excellent. AAA home services has always communicated well and I have had them do exceptional plumbing work including the installation of a hot water heater. Thank you AAA home services. "