(630) 554-0900

(815) 725-3234

Gene May Heating and Cooling, Inc.


Founded: 1972

Owners: Rodney & Karen Raspolich and Mike Carlson

Rodney Raspolich
Rodney is Gene May's residential sales and service expert with over 40 years experience in the heating and cooling industry he oversees that every job is completed on time and meets 100% customer satisfaction. The Gene May philosophy is very simple, all customers deserve a fair price and great service.

Mike Carlson

Mike is our commercial HVAC estimator with over 20 years experience he has completed hundreds of commercial HVAC jobs in the Chicagoland area. Mike is not just Gene May's commercial expert but he is also a owner and takes great pride in every HVAC job from start to finish.

Karen Raspolich
Karen has the hardest job, on a daily basis she is running operations efficiently and schedules every job. Her hard work and dedication is just a small example of how we effectively serve all of your heating, cooling and indoor air quality needs. As an owner Karen follows up with every customer to see that they are satisfied and everything went smoothly as planned and promised.


• Locally, Family Owned and Operated
• 24 Hour Emergency Service
• Expert Service, Repair and Installation
• Award Winner Dealer
• BBB A+ Rated
• N.A.T.E. and EPA Certified
​• Discounts for Seniors and Veterans

Commitment to comfort and value, starts with us!

Company Profile

Meet our expert team

Gene May Heating and Cooling is locally owned and operated in 
Oswego, IL

Your family's comfort, safety and energy savings is very important to us. Your are our customers, friends and neighbors and we are here to take care of you. Being a lifetime member of this community, we take that very seriously. That is why we choose to offer the best equipment and services available. Our exceptional family at Gene May Heating and Cooling is ready 24 hours a day to service all of your heating, cooling and indoor air quality, needs.. Having over 40 years experience in the HVAC industry you can rest assured that we have the proper tools and training to get the job done right. Our highly trained technicians have the knowledge to service all makes and models of heating, cooling, equipment.