There are two basic types of commercial HVAC package equipment on the market today: equipment using electromechanical controls (EMC) and equipment using direct digital control (DDC) systems. The biggest difference is the way in which vital system and troubleshooting information is delivered to the contractor or end user.
Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.
Podcasts
Cade Clark, assistant vice president of government affairs for the Air-Conditioning, Heating & Refrigeration Institute (AHRI), gives a brief overview of the new version of the Shaheen-Portman bill, what AHRI thinks of the energy-efficiency legislation, and how it might affect the HVACR industry if it becomes law.
With access to over one million professionals and more than 60 industry-specific publications, Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.
DON'T MISS A THING
Register today for complete access to ACHRNews.com. Get full access to the latest features, Extra Edition, and more.
With access to over one million professionals and more than 60 industry-specific publications, 
