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Acco Engineered Systems and All Area Plumbing Join Forces

Acco Engineered Systems announced that it will join forces with All Area Plumbing, a regional design-build plumbing contractor serving Southern California. Adding All Area Plumbing’s capabilities, Acco said it will strengthen its position as one of the largest mechanical contractors in the western United States.




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AMCA to Present Free Webinars on Air-System Engineering, Technology

AMCA will launch the Air System Engineering and Technology (ASET) series of free webinars on topics impacting air systems in buildings.




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Five Reasons HVAC Systems Don’t Maintain Comfortable Conditions

Let’s look at five hidden reasons HVAC systems might not keep up when the temperatures get hot, how to test for them, and potential repairs.




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Optimize HVAC Systems With HVLS Fans

Optimizing HVAC systems with new technology can result in a domino effect of benefits. One great example is the HVLS fan, which can boost HVAC system performance, efficiency, and sustainability.




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Follow These Three Vital Steps to Properly Resize a Duct System

In order to understand the foundational principles of duct sizing, a thorough study of ACCA Manual D is a great place to start.




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The Important Role of Air Handlers in HVAC Systems

When paired with heat pumps, air handlers are a great all-electric and sustainable option.




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CO2/Ammonia Cascade System Proves Effective in Retail Settings

Ongoing and evolving U.S. Environmental Protection Agency (EPA) and Department of Energy (DOE) regulations have created a complex landscape for supermarket owners.




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Condensers Can Offer Valuable Insights Into System Operation

Troubleshooting the high side of a refrigeration system will often give service technicians valuable information. That’s because what happens in the condenser is a direct reflection of what is happening in the rest of the refrigeration system.




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Checklists Can Help Determine What Is Causing the Problem in a Refrigeration System

There are several reasons why the compressor discharge temperature of a refrigeration system can be high when the condensing temperature is not, and a checklist can help a technician figure out the root problem.




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One Simple Test to Discover Restrictive Duct Systems

A duct system is the part of an HVAC system that most homeowners don’t consider, yet it determines how well their equipment works.




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Three HVAC System Vital Signs That Help You Identify Unhealthy Systems

Poorly installed HVAC systems work twice as hard as they should and suffer from a wide variety of invisible health problems.




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Duct Retrofits Can Help HVAC Systems Operate at Their Best

Even if a system is replaced, if ductwork is undersized, the homeowner won’t be getting the best bang for their buck.




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Healthcare Applications Can Benefit From Direct Outdoor Air Systems

By employing a ventilation strategy such as a DOAS, conditioned fresh air can be brought into the building, thus improving IAQ and ensuring a safer environment.




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Five Ways Software Promotes Responsible, Efficient Hydronic System Design

While hydronic systems have long been recognized for their energy-saving properties in HVAC and plumbing applications, designing an efficient hydronic system and narrowing down the necessary system components can be challenging.




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Daikin Applied: Packaged Rooftop Systems

Used in new construction and retrofit applications, the product is small, light, and customizable.




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RTU Lift Systems Inc.: Rooftop Lift System

This product allows technicians to safely lift, move, and set commercial rooftop a/c units up to 27-ton capacity or 2,500 lbs.




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Johnson Controls Showcases Rooftop Systems at “Game On” Roadshow

The ACHR NEWS caught up with Johnson Controls’ “Game On” Roadshow at its final stop in Rochester Hills, Michigan.




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Foundation Helps Crash Victim With New HVAC System

John Milligan, who had been an equipment operator and a member of the International Union of Operating Engineers, was left paralyzed from the waist down by a car accident in 2022.




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Zonex Launches New BACnet Product for its Gen X System

At the core of the BACnetIP solution is the QuickServer gateway, developed by a third-party integrator. This BTL (BACnet Testing Laboratories) certified gateway serves as a communications bridge between the Gen X System and a customer’s building management system.




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Air Barrier Testing: Cost Reduction Solutions for School Systems

The Charlotte Mecklenburg School System (CMSS), the 19th largest in the U.S. with a $1.3 billion operating budget, recently decided to take action to identify school system buildings that might be exhibiting air leakage.




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Preventing Leaks In Refrigeration Systems

While servicing equipment, technicians should be on the lookout for sources of potential future leaks, as well as follow good service practices to prevent creating leaks.




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EIA Identifies Retailers With HFC-Free Refrigeration Systems

The Environmental Investigation Agency (EIA) unveiled a new initiative identifying U.S. retailers committed to taking leadership action to reduce HFCs.




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Some Modifications Can Make HVAC Systems More Serviceable

When installing or repairing a refrigeration system, technicians should look for opportunities to slightly modify the system (without changing its design) to make it more serviceable.




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Refrigerant Detection Systems Sniff Out A2L Leaks

RDSs are generally required in A2L systems that contain more than 4 pounds of refrigerant and can either be field or factory-installed, depending on the manufacturer.




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Flir Systems Inc.: Environment Meter

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.




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Valent Air Management Systems, a business of Unison Comfort Technologies: Commercial Makeup Air Units

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




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Alternative HVAC Systems Popular in Hospital Applications

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. 




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Training Is Huge When It Comes to Troubleshooting Mini-Split Systems

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.




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Cooper&Hunter and Tropic Supply Team Up to Donate HVAC Systems

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.




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Tour Showcased VRV Systems at Duke Ellington Public School

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.




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Ductless Split System Innovations That Matter to Your Bottom Line

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.




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RectorSeal, Panasonic, and Contractor Donate VRF System to Arizona Church

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.




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Fujitsu General Mini-Split Systems Qualify for Energy Star 2019 Most Efficient Listing

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




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Troubleshooting Puzzle: A Split System With Ongoing Complaints

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.




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When Troubleshooting a Refrigeration System, Don’t Make Assumptions

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




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The Delivery of a New HVAC System

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




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Temporary Fixes Can Jumpstart a Refrigeration System

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




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Three Tips for Your Next System Evacuation

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.   




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Troubleshooting Puzzle: A Split System That’s Not Cooling

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




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Elon Musk Is Attempting to Revolutionize HVAC Systems

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




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The Secret to Energy and Cost Savings: Pump System Evaluation

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




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Johnson Controls acquires EasyIO Building and Energy Management System

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




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BrainBox AI in Agreement to Acquire ABB’s Multisite Retail Energy Management System Integrator Business

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





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Roof Mount System Secures Solar Racks, HVAC Equipment, and More

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.




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Residential Cooling Showcase 2016: Systems Designed to Keep Customers Cool

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.




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Commercial Heating Showcase 2016: New HVAC Systems Help Keep the Commercial Market Warm

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.




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Extech, a division of Flir Systems Inc.: IAQ Meter

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




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Extech, a division of Flir Systems Inc.: Digital Multimeter

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.




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North Park Innovations Group: System Monitor

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




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Building Automation Systems Offer Comfort, Efficiency, and Security

HVAC has a critical role to play in the future of building automation and digitalization.