Airtex Heating & Cooling: Your Trusted HVAC Partner in the Big Country for Over 35 Years. For over three decades, Airtex Heating & Cooling has been the go-to, family-owned HVAC service provider for the Big Country. We pride ourselves on delivering reliable heating and cooling solutions with a personal touch. Our experienced team handles everything from routine maintenance and expert repairs on all makes and models to efficient new system installations. We also offer easy financing options to make essential HVAC services and upgrades accessible when you need them most.