WE'LL SEND AN HVAC CONTRACTOR TO YOUR YUMA, AZ LOCATION RIGHT AWAY If you're having problems with your air conditioner, don't sweat it. A & M Refrigeration, LLC provides HVAC services in the Yuma, Arizona area. Whether your unit is malfunctioning or completely broken down, our HVAC contractor can help. We'll find and fix any problems with your air conditioner. If you need a replacement unit, we also offer air conditioner installation services.