The savings a head pressure controller provides comes from the optimization of the refrigeration system working under the correct pressures. Correct operating pressures allow for system efficiency and lowered run times.

With all its growth, Gem Plumbing and Heating manages to make its employees feel special in many ways. As a result, the company is the New England Region winner in The News' 2003 "Best Contractor To Work For" contest.

For two different school systems with two different sets of HVAC problems, equipment modifications that corrected chiller and temperature control predicaments have helped the schools save energy and gain a greener appearance in their communities.

As one of the top HVAC suppliers in Texas, Century Air Conditioning needs to stock products that are not only good for contractors and their customers, but products that contractors can promote as being ecologically friendly.

According to residential HVAC equipment manufacturers, the big roadblock to greater profits is contractors' reluctance to sell and install more sophisticated products and systems. These U.S. manufacturers are also striving to overcome their lack of product differentiation and increase imports of inexpensive equipment from Asian manufacturers. These latest insights come from a Frost & Sullivan report.

Many building codes in the southeastern United States call for increased attic and crawl space ventilation to fight moisture and related IAQ problems. Craig DeWitt, Ph.D., P.E., challenged that notion at the South Carolina Association of Heating and Air Conditioning Contractors' (SCAHACC's) 2003 Indoor Comfort Science Conference.

Back in the 1800s and early 1900s, before the Pure Food and Drug Act, traveling salesmen and established pharmacies alike sold miracle elixirs. These days the most egregious claims come from the makers of some IAQ products.

Companies that perform duct diagnostics strongly support using professional tools rather than homemade. One such company gave a presentation at a seminar held by the South Carolina Association of Heating and Air Conditioning Contractors (SCAHACC).

Dogs have long been used to sniff for signs of arson, bombs, even termites. Their latest functional use is as mold-sniffing dogs. A demonstration was given at the IAQA meeting.

ORLANDO, Fla. - Two central Florida mainstream news sources, The Orlando Sentinel and WESH-NewsChannel 2, have been examining flaws in new homes for a year. They have now started reporting