Air Cold Supply is Your One Stop HVAC Shop. As a contractor, you know your time is money and so do we. With that in mind, Air Cold Supply created a section of our website where you could easily get to all the information you need. Our contractor's resource area gives you all the links that you may need. If you need answers for your technical questions, need to request a quote, locate imagery for advertisements, or getting industry information, you can get everything you need when you need it!