One of the common problems found while troubleshooting reciprocating compressors is that they simply fail to start. This could be the result of many different causes, both electrical and mechanical. One common mechanical cause is a stuck piston. Mechanically the piston cannot overcome an internal resistance to move.
Issues related to efficiencies and the environment will form the basis for the 72nd Annual Conference of the Refrigeration Service Engineers Society (RSES) Oct. 27-31 in Bloomington, Minn. The theme is “Lean and Green.”
Mark Kukla, president of Air Systems Balancing, Rochester, N.Y., said, “We are helping companies become more efficient and competitive by helping them save energy and create a better working environment.”
The NEWS’s 2009 Dealer Design Award (DDA) product microsite has officially launched, and the focus of every online feature is an HVACR product. Covering 14 different categories, each product entered into the competition has a place in the site’s main attraction - the Dealer Design Product Collection.
The housing market’s decline has meant fewer new homes, and fewer new HVAC systems installed in them. The down economy has meant that many homeowners are putting off HVAC equipment replacements. So, how is it possible that Knueve & Sons is not only surviving, but thriving on high-end system replacements?
Independent testing on three different types of residential equipment has shown a 15-26 percent increase in efficiency just by replacing the fixed-orifice-metering device with a new TXV valve. No other work was done to this equipment to increase the EER.
Reacting to others’ needs naturally puts the needy in control. It can understandably make a contractor develop a “wait on the weather” mindset (soon enough, a “wait on the call” outlook). Thus, a “wait for the economy to improve” thought process is not - cannot - be far behind. Danger is written all over that.
Fewer women have lost their jobs in the downturn since they tend to be employed in education and health care, which are more stable during economic ups and downs. The upside: couples still have money to purchase HVAC equipment even if they have less of it, and thanks to the economic stimulus package, there is help on that front as well.
Like it or not, our society is one of instant gratification. Today’s consumers want things and they don’t want to wait to get them. In response to this demand, most retailers offer their customers a variety of financing options, making the purchase of their products easy and affordable.
The Midwest food and drug retailer Jewel-Osco has opened a green store on Chicago’s Southside, which has received GreenChill Gold Certification from the United States Environmental Protection Agency. The designation recognizes the store’s eco-friendly refrigeration system.
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