Your questions answered: HVAC FAQs. ACR Air Conditioning & Heating Inc in Lake Charles can answer all your HVAC-related questions. Before you get on the phone, check to see if we already responded to your question online. If you don’t see your question on the list or want more information on a particular topic, give us a call at 337-335-0992. Our staff can give you the information you’re looking for in an instant.