As of March 2015, you can purchase Concord gas furnaces from independent dealers across the United States. Concord instructs customers to contact the manufacturer if they want to discuss sales information. The manufacturer makes eight gas furnaces, two of which have Energy Star ratings.
Fill out the necessary fields on the Contact Us portion of Concord's website, including a name, address, ZIP code, phone number and email address. Indicate whether or not you are a homeowner or dealer at the top of the form. Optional fields include products, model numbers, serial numbers and comments. Wait for a sales representative to contact you as soon as possible. Normal operating hours are from 8 a.m. to 5 p.m. ET.
Luce, Schwab & Kase, Inc., lists the Concord gas furnaces it sells on the firm's website. This company compares the energy savings from Concord's efficient furnaces versus models with 60 percent efficiency. Professional Heating & Air Conditioning touts the benefits of new Concord systems installed in a customer's home. Both of these companies link to promotional brochures in a PDF format.
Fleetwood's Heating & Cooling displays a price for a Concord natural gas furnace with 90 percent efficiency. Customers add the unit to a virtual shopping cart and then proceed to checkout in order to pay for the furnace. You need contact information, a shipping address and a valid method of payment to complete the ordering process.