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Carbon Monoxide: Help Predict Pressure Switch Trips on Condensing Equipment with CO Readings

By David Richardson A problem that will drive any seasoned technician crazy is for the pressure switch in a 90% furnace to intermittently trip on the coldest night of the year. Did you know that CO (carbon monoxide) measurements in the flue gas can help you predict if this will occur? Let’s look at how to determine if this could happen, the common causes, and how to correct them. A Common Scenario You are… Read More

Baskin-Robbins Relies on Venstar Thermostats and Remote Sensors to Protect Valuable Ice Cream Inventory

Venstar® today announced that its ColorTouch® connected thermostats, remote sensors and  Skyport® Cloud Services with free mobile app are being used at Baskin-Robbins stores to remotely control temperatures to protect valuable ice cream inventory. The Venstar solution was installed by Queirolo’s Heating & Air Conditioning Inc. of Stockton, Calif. CHALLENGE: Maintain Below-Zero Temperatures in Walk-in Freezers David Queirolo, owner of Queirolo’s Heating &… Read More

Global Plasma Solutions White Paper Explains Needlepoint Bipolar Ionization

Global Plasma Solutions, a Savannah-based manufacturer of high-tech Electronic Air Cleaners for indoor air purification has published a White Paper entitled “An Overview of Needlepoint Bipolar Ionization.” NPBI does not produce ozone – it is not a corona discharge technology. NPBI delivers Particle, Odor, Pathogen Control with Energy Savings. The white paper provides a brief history of ionization and describes difference between corona discharge and Needlepoint Bipolar Ionization (NPBI). The paper also describes how NPBI… Read More

ASHRAE and IIR Establish New Definitions of Five Refrigeration Keywords

ASHRAE and the International Institute of Refrigeration (IIR) announced the establishment of new definitions for five refrigeration keywords. The keywords are cooling, refrigeration, chilling, freezing and cold chain. The definitions are the result of more than a year of discussions and were established to clarify the meaning of basic terminology used in the HVAC&R industry. “The new definitions will help those within our industry, as well as the general public, gain a clearer understanding of… Read More
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