A number of manufacturers are greening their product offerings. Several of these manufacturers will be attending Greenbuild 2012. What will they bring to the show?
Today more and more systems are incorporating microprocessor controllers into their design. Troubleshooting the operation of these controllers can be a little tricky at times, but if broken down into sections it can be easier to handle.
The U.S. Green Building Council’s (USGBC) 11th annual Greenbuild International Conference and Expo will take place Nov. 14-16 in San Francisco. What can be expected?
Since its construction in 1908, Twin Maples has been a silent witness to history, some of it up close and very personal, including a 2008 top-to-bottom makeover. How did it become a green show house?
The Tempstar® Performance Series single-stage gas furnaces are available in two product families: Performance Series PS95 and Performance Series PS92. Series PS95 is 95.5 percent AFUE and is offered in nine models, while the PS92 Series is 92.1 percent AFUE and is offered in eight models.
A second-generation hybrid solar water heating system, the ecoMax° integrates waste heat recovery, along with solar thermal, to produce free hot water for domestic and light commercial use. The controller means HVAC technicians can now tap into a second free heat source: waste heat recovery from a/c and refrigeration units.
Whose job is it to buy the tools and take care of the service vehicle? That’s a question that each contractor answers individually. There isn’t a cookie-cutter solution that works for every HVAC business. So what works for these guys?
The Luxaire® brand Acclimate™ packaged 2- to 5-ton dual-fuel heat pump features low nitrogen oxide (NOx) for reduced carbon emissions, R-410A refrigerant, standard louvered condenser coil protection, and easy power and control wiring connections for reduced installation time and costs.
Two new reports that provide detailed studies of refrigerants have recently been released. The research is evaluating how newer refrigerants — ranging from HFC and HFO f-gases to natural refrigerants such as ammonia, CO2, and HCs — stack up against the current crop of popular refrigerants.
The question arises from time to time in building industry blogs about whether or not geothermal heat pumps (GHPs) are a source of renewable energy. So where do they fit?
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.
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