We care about the environment and our customers. In fact, our motto is "We Care About Your Air" 

We are proud to say that we are Energy Star™ qualified to install units that meet and exceed Energy Star™ qualifications.  

We are up to date with all current EPA regulations and guidelines. No freon in the atmosphere our our watch! Our technicians respect your home and property when they arrive. We are on call for emergency repair 24 hours a day, 7 days a week. We're here for you when you need us. 

Making a Difference



Environmentally Compliant

We are a proud member of the HVACR Organization for Women in the HVAC industry. Women in HVACR exists to improve the lives of women members by providing avenues to connect with other women seeking to grow their careers in the HVAC industry. We encourage women to succeed through networking opportunities, mentoring and education.   

As a family business, we have always cared about other people. When you invest your time and trust in Gunlock HVAC, you help others as well as you and your family. We are a certified Luxaire® business. Luxaire® has been partnered with the Make-A-Wish® Foundation since 2001 and a portion of your purchase of Luxaire® products will be donated to the Make-A-Wish® Foundation. Since 2001, Luxaire® has raised 3 Million dollars for the Make-A-Wish® Foundation. 

Gunlock Heating and Air has been in the HVAC industry since 1985. We have served the greater Joplin, Missouri area since our beginning and we are happy to call it home. As a family owned and operated business, we know how important clean air is to you and your family. For over 30 years, we have been the leader in customer satisfaction and service in the HVAC industry for the Joplin area. We want you to be warm on cold winter nights, cool in the heat of summer and breathing easy with a clean, efficient home heating and air conditioning system.