In the HVAC market this month we're showcasing commercial products like a mixed-flow exhaust fan, air-cooled scroll chiller, and a flanged globe valve linkage. For residential contractors there's a split-system air conditioner, communicating wall control, and an AC compressor lift. Our July Product Showcase Award goes to Mr.PEX Systems and their integrated dynamic control system which won in the Controls category.
The HVAC-Talk.com discussion forum features running discussions by contractors on many HVACR topics, including indoor air quality (IAQ), an often-neglected service. Read what they're saying on certain IAQ topics....More
From compact thermal imagers, rain louvers, transparent solar cells, chillers, and hand-held meters, we're showcasing the HVAC hot products both commercial and residential contractors will want to have!
The AQ Pro by E Instruments is a handheld Indoor Air Quality monitor that can be used in hospitals, labs, clean rooms, airports and other locations where Indoor Air Quality (IAQ) is so important....More
If you could build the ultimate HVAC system, what would it look like? With the technology available today, the residential and commercial system design possibilities are simply amazing. Columnist Dominick Guarino "imagineers" a futuristic HVAC system built with today's technology....More
your knowledge is a crucial component of helping customers make the choice to invest in a geothermal system. The first-cost price is unquestionably higher than that of a conventional system and your ability to educate homeowners on the true, life-cycle cost of the equipment is key....More
There are two basic types of zoning systems: pneumatic and electronic. The difference is how the dampers are opened and closed. Although much of what we’ll discuss here could pertain to either type of system, the focus of this article is troubleshooting electronic zoning systems on a service call....More
American Standard The American Standard Platinum XV air handler is constructed more like a refrigerator than a typical air handler, with insulation fully enclosed between double-walls of the innovative Air-Tite II cabinet, preventing condensation. In ......More
If your technicians aren't checking system airflow on every service call, you're doing your company and your customers a disservice. Air balancing is the missing link in getting residential HVAC systems to perform at or near their peak levels. In the ......More
The 64th International Air Conditioning, Heating and Refrigerating Exposition
will play host to over 50,000 HVACR industry professionals from more than 120 countries on January 23-25, 2012 at McCormick Place in Chicago....More
Indoor air quality (IAQ) issues can arise in any building — new or old. But they’re not inevitable. In fact, a building owner’s best defense against IAQ problems is a skilled HVAC technician who knows the proper steps to take to ensure a healthy indoor environment....More
When measuring and diagnosing the operation and performance of an HVAC system, the timing and measurement are critical. Ideally, the system should be calling for full heating or cooling, and fan speed so it can reach a stable operating condition. Let’s take a closer look at what constitutes stable operating conditions so your test data allows you to accurately diagnose the performance and operation of your systems.
Why is Stability So Important?...More