AirConditioning-and-Heating.com
Publishes an online Buyer’s Guide to A/C, heating and indoor air quality systems including heat pumps. Provides useful lists and a free tool to help owners compare HVAC contractor bids. Includes a page for each major U.S. city and metropolitan area featuring local AC & heating contractors and resources.
Air Conditioning and Refrigeration Resources Directory
Business Inc is an all encompassing business directory.
GlobalSpec is the leading specialized vertical search, information services and e-publishing company serving the engineering, manufacturing and related scientific and technical market segments.
UniLink is the market leader in supply chain connectivity within the building industry providing a single bi-directional electronic connection for buyers and sellers to communicate their documents easily and quickly to one another.
A consumer information source and search site for HVAC contractors and related trade associations. HVAC-City is constantly being updated to provide you with all the HVAC-related information that the Internet has to offer.
The Industrial Resource Network
Find the products and services you need quickly and easily. Send RFI’s and RFQ’s to multiple suppliers with a click of the mouse.
HVAC & Refrigeration news, events, training, books, magazines and directory online.
Search ThomasNet.com, the most comprehensive resource for industrial information, products, services, CAD drawings, and more.