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.
Upgrading HVAC systems is the fastest, easiest path to helping your customers reduce their operational costs - and the smartest way for you to become their long-term, trusted business partner. When you can help customers choose and execute the best improvements for their application, the benefits will be both immediate and long-term.
Things have greatly changed in technology over the last 10 years. And while rooftop units (RTUs) and commercial air handling units (AHUs) have been around much longer than a decade, they too, continue to change. The units still execute their original duties, but some of the features and benefits they provide have altered over time.
It’s not just the major home mechanical systems that impact overall building efficiency. The accessories, like IAQ and controls products, can have a major impact on both comfort and efficiency - things that the contractors of 2010 are eager to address for their customers - due to their interaction with the main system.
The leadership at North American Technician Excellence (NATE) hopes to have a new president in place by this fall, with the possibility of introducing that person during the NATE board of trustees meeting on Sept. 21. Ray Isaac, president of NATE, said a search committee is looking for a person who is “a visionary, consensus builder, and a bridge-builder with a marketing mind.”
“I think these last 18 months have taught any one of us that are still here a lot about business,” said Steve Chrismer, president, Drake Heating and Air. “Companies that focus - really focus, not just talk about it - on serving their clients and team members will prosper.”
William Penn University’s $25 million construction project for two individual academic and athletic buildings is the largest and greenest expansion in the university’s 135-year history. It features geothermal heating-cooling, fabric ductwork, energy recovery ventilators (ERVs), building automation system and other technology.
Since the House of Representatives passed the Home Star Retrofit Rebate Program (H.R. 5019) in early May, many industry members have voiced their concern about certain aspects of the legislation. Chief among the concerns raised about the bill are the restrictions it places on contractors who perform the rebate work.
HVAC contractors have already been accustomed to adding a new season to heating and cooling seasons. Allergy season often refers to spring’s pollen season, which can bring increased calls for IAQ-related service and sales. The 2010 pollen season has been getting publicity in many consumer publications because of its off-the-charts pollen counts.
The Refrigeration Service Engineers Society (RSES) awarded members who passed exams in April with Certificate Member (CM) and Certificate Member Specialist (CMS) status. The CM/CMS exam series originated in 1935.
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