With a double brood of cicadas forecasted to awaken, now is the time to prepare for how to deal with the mess they will leave behind and the potential damage they can do to equipment.

While “smart” tools and tablets are becoming more and more common in an HVAC tech’s toolbox, there are still plenty of things an app just can’t do.

Based on hygrometer technology, this product identifies deviations from ambient rh levels, which can cause static hazards at manufacturing sites and discomfort in homes and offices.

Is it time for our industry to consider using pascals for static pressure measurements? What would the transition from inches of water column to pascals look like and how hard would it be?

Heat-only, direct-fired, and indirect-fired makeup air units have been added to the company’s product line. 

While traditional hospital HVAC systems often consist of chillers and boilers, other types of equipment are becoming more widely accepted in the health care market, including variable refrigerant flow (VRF) systems, air curtains, and geothermal heat pumps. 

In comments to EPA’s proposed rule regarding HFC management, many HVACR stakeholders expressed concern over issues including tracking cylinders, training technicians, and reclaiming refrigerant.

Republicans in the U.S. House of Representatives are pushing back on attempts to regulate consumer appliances.

Once only found in mild climates, the technology now stretches across the U.S., thanks to advances in inverter technology and zone controls. On the other hand, the level of sophistication in these systems sometimes makes them difficult to troubleshoot when something goes wrong.

In collaboration with Tropic Supply, Cooper&Hunter has gifted Daytona State College with six complete HVAC systems, considering the donation as a useful investment in the next generation. The on-campus working stations, which include units from Cooper&Hunter’s modern “Sophia Mini-Split Single Zone Series,” will give students hands-on learning opportunities with technology that is becoming increasingly popular in the U.S.

An HVAC solution was the headliner for an event on Feb. 19 at a 121-year-old building in the nation’s capital named after one of America’s greatest composer-musicians. The event at Duke Ellington School of the Arts demonstrated how stepping beyond traditional non-inverter HVAC systems can preserve a building’s historical architecture, enhance energy efficiencies, minimize noise, and earn design-award accolades.

Friedrich recently sponsored a NEWS webinar titled “Ductless Split System Innovations That Matter to Your Bottom Line.”  Below are questions taken from the Q&A portion of that webinar.

Our Lady of Guadalupe Catholic Church’s community center in the Tempe, Arizona suburb of Guadalupe now has state-of-the-art HVAC thanks to variable refrigerant flow equipment, accessories, and installation labor donations from RectorSeal, Panasonic Air Conditioning Group (a division of Panasonic Corp. of North America), and Woody’s Heating and Air Conditioning.

Many of Fujitsu General America’s Halcyon mini-split system products now qualify for Energy Star Most Efficient certification.

I’ve heard a lot about power bills, even with new a/c units. New units show increased savings, but it’s nothing like the mini splits of today.

The equipment in this month’s troubleshooting situation is a split system that has only been in service for two years, but there is a lot of history.

Troubleshooting refrigeration systems can be complex and frustrating, so put aside any assumptions and inspect the system thoroughly before making any diagnosis.

Contractors need to implement a refrigerant management strategy that accommodates both legacy and A2L systems, as well as emphasizes recovery and reclamation.

The medical profession and the HVAC industry have a lot of parallels when it comes to learning how to work together as a team.

The proposed new approach to chilled water HVAC systems promises to provide significant capital cost savings, energy cost savings, and a path to eliminate CO₂ emissions.

Timely refrigeration repairs are crucial to avoid product loss; temporary fixes can sometimes keep systems running until parts arrive.

Ensuring a vacuum pump system is evacuated and free of air, nitrogen, moisture, and other contaminants is a crucial step to keep the system running optimally.   

As the federal government plans millions in grant funding to boost heat-pump manufacturing in the U.S., a big player in the market as well as a newcomer are thrilled with the opportunity.

We often humidify and dehumidify as part of our work, but let’s take a different look at what happens when we do that.

In this month’s troubleshooting problem, the equipment is a split system that’s approximately 8 years old.

Musk confirmed that his company could make use of their current heat pump technology to develop a smart HVAC system for home use.

Selecting a VFD that features remote startup can decrease the number of individuals needed onsite and provide valuable safety benefits.

Determining the right pump to save energy in a given application can be broken down into three general steps.

Posted by Daniel Augusto Veronezi Salvador on Nov 12

AC drives are an essential part of the HVAC marketplace, and the growth of the market looks to be exceptional over the next few years. According to MarketsandMarkets, the market is expected to grow from an estimated $15.72 billion in 2016 to $22.07 billion by 2021.

Emerson continues to evolve its equipment lines in an effort to introduce its technologies to a broader customer base.

It is 2018, and this is not your father’s rooftop equipment. The old, reliable system taking up space on the roof has become so much more.

Here are two examples of the difference that high-performance building features and high-efficiency HVAC technology can make.

Smart products enable service providers to take a more proactive approach to addressing HVAC system and equipment issues, said Susie Gornick.

Johnson Controls announced that it closed an agreement to purchase the EasyIO Building and Energy Management System (BEMS) product line.

Aircuity has been named a New York State Energy Research and Development Authority Qualified Vendor for the RTEM program.

BrainBox AI intends to integrate ABB’s MSR business and its installed base of 12,000-plus retail locations in its current operations.

OMG Roofing Products has introduced the PowerGrip Plus roof mount system, a watertight structural attachment system used to secure solar racks, HVAC, and other equipment to roofs covered with thermoplastic (TPO and PVC) membranes.

Every year, The NEWS introduces the latest cooling equipment available for the upcoming summer season in order to help contractors prepare for this busy period by doing the research that will help them to distinguish between brands. The coverage features specific information about each individual product as submitted by the manufacturers.

Each year, The NEWS spotlights the industry’s latest commercial heating products. The manufacturers provided us with a brief description of features included with each product.

The units feature an exact-fit replacement design that matches the units to footprints of other manufacturers’ units and eliminates the need for a curb adapter.

Just like bees return to the hive every day for sunset, Yellow Jacket has habitually returned to the AHR Expo every January for the past 45 years.

This handheld device displays CO, CO₂, air temperature, rh, dew point, and wet bulb temperature measurements.

This product now features mercury-free temperature elements as an option in any 8- or 12-inch case configuration, in ranges between minus 30˚ and 600˚F.

Designed for HVAC and refrigeration professionals to view electrical and temperature readings, this product logs data remotely using the ExView® W-Series app on smartphones and tablets via Bluetooth.

This product is a leave-behind HVAC analytic device that technicians can install on each unit, regardless of the brand they service.

Posted by Jose Dominguez via Snort-sigs on Oct 22

Posted by Joel Esler via Snort-sigs on Oct 23

In the seventh installment of this series, we ask if there are any special storage requirements for A2L refrigerants.

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