Dunn Heating & Cooling

Contact Information Services

Website: www.dunnheatcool.com

Phone: (618) 717-0707

  • Home Energy Assessments

  • Home Energy Upgrades

At Dunn Heating  & Cooling, providing solutions to your indoor comfort challenges is something we take great pleasure and pride in. We’re an independent Trane Comfort Specialist™ dealer who offers the best products in the industry, and our team is dedicated to providing you with the attention to detail and customer service that can create a whole new level of comfort.

Led by owner Brett Nejmanowski, our company provides expert heating and cooling service and installation.  Our team of technicians is fully qualified to help you select the comfort system that best fits your home and your budget.  Our written 100% satisfaction guarantee is behind all the work we do – if you’re not happy with our heating and cooling services for any reason, we’ll make it right or give your money back, no questions asked!  No matter if it is a furnace repair, AC repair, furnace installation, AC installation, heat pump installation, or anything heating and air conditioning-related, you have our guarantee.

Along with the services we provide, we’re also passionate about our duty to protect the environment and our social responsibility to the community. In our daily practices, we utilize earth-friendly products and methods to ensure clean outdoor and safe indoor environments for the people we serve.