For residential and small commercial ductwork, the company has added the Super Whip Airline System to its Super Whip Basic and Super Whip Deluxe Systems.
While examining ductwork on a typical residential HVAC installation this fall, a company technician stumbled upon hidden treasure — over a dozen baby food jars filled to the brim with approximately $300,000 worth of gold dust.
The Marketing Inspection Camera and the Android Tablet PC can enhance HVAC contractors’ service-selling efforts by providing high-resolution visuals to better educate clients on IAQ improvement, said the company. According to the manufacturer, homeowners will fix an IAQ problem if a contractor takes the time to educate them.
Designed specifically to safely and efficiently clean all types of ductwork, most importantly flexible ductwork, the aiR+® XP Professional Air Duct Cleaning Machine is lightweight and portable, giving the user easy access into attics, basements, and crawl spaces, the company said.
To aid contractors seeking to enter the IAQ market, manufacturers offer a full array of tools to assist in the marketing and selling of products and systems to the homeowner during replacement sales, service calls, and scheduled maintenance visits. This guide provides a sampling of the resource materials and assistance available.
The good idea of sealing up a building to make it energy efficient had some unwanted side-effects. Lack of circulation or the inability of a building to breathe compounded the high humidity problem. Fortunately, the HVAC trade has remained a leader in providing information, answers, and products to combat the humidity problem.
The moisture content in a school’s building envelope can provide the medium that mold needs for incubation and growth. Whether a school is under construction or unoccupied during the summer break, it likely is without an HVAC system to help control moisture. Without humidity control, school buildings can become a breeding ground for mold and mildew.
Measuring duct static pressure is a fundamental part of
diagnosing how a duct system is performing. It’s kind of like getting your
blood pressure tested when you go to the doctor.
John Logue was stumped. The contractor designs and installs 55 to 80 HVAC systems a year, but he had never run into this situation - a customer complaining that water was coming out of the homeowner's supply grilles.
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.