Get matched with top geothermal heating or cooling system installers in Maineville, OH

? Same-Day Service GUARANTEED! Our friendly service team backs repairs with a 2yr warranty. Next-day replacement and 120 Month special financing available. Locally owned for 30 years, Watkins serves the Miami Valley with integrity and excellence. Trust the best! From our great people to our well-stocked service trucks, you’ll notice the difference with our very first visit.

***Extreme Heating & Air Conditioning serving Northern Cincinnati & Dayton since 2004.***\nyour time is our number one priority. But it's not our only priority. Throughout our company we've designed systems and procedures to ensure your complete confidence in calling upon us to serve your heating and cooling needs. Please call us today to schedule your appointment\n\nWe truly care about our customers. Our knowledgeable and friendly employees are professional and pay great attention to detail. They treat your home like their own and will provide prompt, quality service.\n\nWe have the best technicians in the Northern Cincinnati and Dayton-area, Nate Certified, Factory trained, Drug tested, Background and Credit checked for your protection.\n\nWHY CHOOSE EXTREME?\nFlexible time slots\nNATE certified Technicians\nDirect Pricing\nNo overtime fees\nFree quote\n

Honest. Friendly. Fair. You can trust our team of experts at Cincinnati Heating and Air Conditioning to take care of your home projects—from smaller HVAC repairs and maintenance to full system design and replacement. Having someone you can count on makes all the difference.\n\nAt Cincinnati Heating and Air Conditioning, we believe every customer deserves top-tier service, clear communication, and long-term peace of mind. That’s why we built our company around three core values: honesty, friendliness, and fairness. When you call us, you’re not just getting a technician—you’re getting a partner who cares about your comfort, your time, and your home.\n\nOur team consists of highly trained HVAC professionals who are passionate about what they do. Whether it's helping you improve energy efficiency, troubleshoot a faulty system, or plan for a full HVAC upgrade, we approach each job with the same dedication and attention to detail. We pride ourselves on offering solutions that are not only effective but also budget-conscious and tailored to your specific needs.\n\nWe’ve served the Cincinnati community for years, and we understand how important it is to have a reliable heating and cooling system—especially with our unpredictable Midwest weather. That’s why we’re committed to being available when you need us, offering transparent pricing, and delivering lasting results you can feel.\n\nFrom the moment you call us to the final follow-up, we’re focused on making your experience as smooth and stress-free as possible. Our friendly technicians will treat your home with respect, explain your options clearly, and ensure you’re never pressured into services you don’t need.\n\nTrust Cincinnati Heating and Air Conditioning to do the job right. We’re here to make your home more comfortable—one honest, friendly, and fair service at a time.

Turner On HVAC!!!! The newest division of Turner On Services has launched beside our 5 star electric department Turner On Electric! Your experience is what matters to us, from the first phone call, to the day we finish the project, our priority remains the same, a great customer experience! Come join the Turner On Family!

Discover superior HVAC installations by choosing One Hour Heating & Air Conditioning® in Cincinnati. Our highly-trained professionals are dedicated to delivering top-notch AC and Furnace installations, ensuring your home's utmost comfort. Rest assured; your new system will be installed with precision and care, backed by our 100% Satisfaction Guarantee. Don't compromise on your home's comfort. Experience worry-free HVAC service at its finest—call us today.\n