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The Promise Of Artificial Intelligence In Chillers And Rooftops

Artificial intelligence (AI) is one of the most promising — and exciting — technologies to come to the HVACR industry in a long time.




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Endress+Hauser Opens Regional Logistics Hub in Indianapolis

The 48,000-square-foot facility aims to streamline Endress+Hauser's global product distribution.




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Commercial Refrigeration Requires Strict Leak Prevention Programs

According to the Environmental Protection Agency (EPA), a typical food retail store leaks an estimated 25 percent of refrigerant, or approximately 1,000 pounds, annually.




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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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Residential Cooling Showcase 2022

The NEWS introduces the latest cooling equipment available for summer 2022.




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Commercial Cooling Showcase 2022

The ACHR NEWS is featuring the industry’s latest commercial cooling products for 2022.




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Heat Pumps Dominate Residential Cooling Scene at AHR

In the realm of residential cooling, two trends popped out at the 2023 AHR Expo: the new federal tax credits and heat pumps.




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Residential Cooling Showcase 2023

In this showcase, The ACHR NEWS will introduce the newest cooling products that will help meet customer needs.




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Commercial Cooling Showcase 2023

The annual Commercial Cooling Showcase highlights state-of-the-art equipment that often incorporates service-friendly features for contractors, as well as energy efficiency and comfort for end users.




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Project Files: Episode 67 — Variable-Speed A/C in Miami Humidity

The Endeavor Line provides tech-savvy and environmentally mindful consumers like the Horwitzes with smart home compatibility and sustainable features.




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Commercial Cooling Showcase 2024

Commercial cooling equipment manufacturers are introducing HVAC systems that are energy efficient, as well as service friendly for contractors.




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WaterFurnace Expands Commercial Offerings

At this year’s AHR Expo, WaterFurnace’s booth displayed a branding system that conveys the company leadership’s commitment to the commercial market.




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Increased Efficiency Helps Drive Commercial Market

Michael Daly, chief technology officer, ECM Technologies, offers insights into the HVAC commercial market.




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Don’t Be a One-Gauge Technician

When servicing a refrigeration system, it is important to accurately determine the true cause of the failure. Misdiagnosing the problem can often create additional system issues for you and the customer.




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Why You Should Study Your Technicians’ Readings

One Stop Cooling studies technicians’ readings recorded on service calls. If you do the same, you might be surprised with the mistakes you find.




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A Guide to Digital Manifolds and Smart Devices For Refrigeration Technicians

The most important features of electronic measuring devices have been established in customer surveys and are discussed in this article.




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Smart Thermostats Elevate A/C From Appliance to Tech Gadget

Thermostats are like other pieces of interactive equipment: People are thrilled by each development but move on quickly when the next feature comes along.




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Today’s Residential HVAC Controls Are Smarter Than Ever

Programmable thermostats that can be accessed through an internet device are old hat. Here are just a few of the residential HVAC controls products featured at the Georgia World Congress Center, the host venue for this year’s Expo.




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Copeland, Woosh Air Team Up to Improve Home IAQ

When the Woosh air quality monitor and smart air filter are paired with a Sensi smart thermostat, users can transform an HVAC system into an air purifier for the entire home.




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Commercial Cooling Showcase 2011

The NEWS’ annual Cooling Showcase has traditionally introduced the latest air conditioning units available for the upcoming summer season. The intent is to help contractors prepare for this busy period by doing the research that will help them to distinguish between brands. In this issue, we focus on the commercial side of the air conditioning industry.




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Commercial Challenges Yield Product Innovation

Winners of the The NEWS’ eighth annual Dealer Design Awards’ HVAC Commercial Equipment category have brought new ideas to the commercial market that should help contractors meet the commercial challenges they face.




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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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2014 AHR Expo: HVAC Commercial Equipment

The NEWS was very busy at the AHR Expo in New York City, visiting as many booths as possible in search of new products. Below is a comprehensive list of all the HVAC commercial equipment we found on the show floor.




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Commercial Cooling Showcase 2014: New Equipment Just in Time for Summer

It’s time again for the Commercial Cooling Showcase. The NEWS’ annual issue has traditionally introduced the latest air conditioning units available for the upcoming summer season. The intent is to help contractors prepare for this busy period by doing the research that will help them distinguish between brands.




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HVAC Commercial Equipment: Winners Invest in Design

The NEWS honors the 2014 Dealer Design Award winners in the HVAC Commercial Equipment category.




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Commercial Heating Showcase 2014: New Products Available on the Commercial Market

HVAC manufacturers share their latest heating products — including photos, specifications, warranty info, and more — in this detailed showcase.




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HVAC Industry Victory Against EPA Cylinder Ban 'Official'

“While the recent news is a formality, it makes the victory over these burdensome regulations official."




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Community Church Benefits From Unitary Variable Refrigerant Flow Retrofit

With over 1,000 Sunday service attendees and many church activities throughout the week, energy efficiency for the sake of cost savings was critical.




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Technology, Efficiency Spur Variable Refrigerant Flow Market Growth

Both commercial facilities and residential domiciles are taking advantage of heating and cooling technology at accelerated rates.




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HVAC Contractors Discuss Residential Variable Refrigerant Flow Trends

As HVACR technology advances, contractors often find themselves navigating new learning curves on a regular basis. VRF is no exception.




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A Capital Cost and Energy Saving Approach to Chilled Water HVAC with Zero Emissions Potential

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.




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Heat Pump Awareness Grows from Residential, Commercial Customers

Consumer awareness and opinion of heat pumps are both improving, along with the technology. Manufacturers see a strong market ahead, although some challenges remain.




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Virginia Passes Geothermal Bill With Major Financial Incentives

The bill significantly reduces the cost of a geothermal installation, spurs job creation, and hopes to inspire more contractors to tap into the geothermal market.




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Optimizing HVACR Efficiency with Smaller Diameter Copper Tubes

Efficient refrigeration and HVAC systems are essential to energy management and operational cost of residential, commercial, or industrial buildings.




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Guiding Customers through Indoor Air Quality and the Tips to Maintain IAQ

As HVAC providers, we have the ability to advise homeowners, builders, and property managers on ways to improve their indoor air quality.




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Why Remote Startup for Variable Frequency Drives is Essential

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




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Propane Can Offer HVAC Customers A Reliable Option for Backup Power

The growing electricity demands being placed on the country’s century-old grid are resulting in an increased number of unexpected power outages across the U.S.




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6 Essential Steps for Teaching CO₂ Refrigeration

CO2 refrigeration systems demand both classroom knowledge and hands-on experience, which is why blending theory with practice creates top-notch technicians.




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Xen Security Advisory 464 v2 (CVE-2024-45819) - libxl leaks data to PVH guests via ACPI tables

Posted by Xen . org security team on Nov 12

Xen Security Advisory CVE-2024-45819 / XSA-464
version 2

libxl leaks data to PVH guests via ACPI tables

UPDATES IN VERSION 2
====================

Public release.

ISSUE DESCRIPTION
=================

PVH guests have their ACPI tables constructed by the toolstack. The
construction involves building the tables in local memory, which are
then copied into guest memory. While actually used...




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Re: Xen Security Advisory 464 v2 (CVE-2024-45819) - libxl leaks data to PVH guests via ACPI tables

Posted by Andrew Cooper on Nov 12

Data are leaked into the PVShim guest, but it is the shim Xen
(exclusively) which has access to the ACPI tables.

The guest which has been shim'd can't architecturally access the leaked
data.

~Andrew




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Re: Xen Security Advisory 464 v2 (CVE-2024-45819) - libxl leaks data to PVH guests via ACPI tables

Posted by Demi Marie Obenour on Nov 12

Is this unconditional (perhaps because the relevant data gets zeroed out
by the shim), or does it only apply when the PV guest can't extract data
from the shim's memory? For instance, 32-bit PV guests aren't security
supported anymore, but the PV shim isn't supposed to rely on the
security of the shim itself, only of the rest of the system.




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Commercial HVAC Customers Demand Smart RTUs, Manufacturers Deliver

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.




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2019 Dealer Design Awards: Commercial Controls

Intuitive usability helped the CS7500 win a Gold award in The NEWS’ 2019 Dealer Design Awards in the realm of Commercial Controls.




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Industry Negotiates RTU Efficiency Standards

While many in the industry are pleased the DOE has taken the opportunity to work together to develop its final rule, exactly how much of the working group’s recommendation the regulatory agency will adopt remains to be seen.




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DOE, Industry Finalize Standards for Commercial HVAC Products

After six meetings, the working group reached consensus and provided recommendations for energy conservation standards, test procedures, and metrics.




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Portable HVAC Products Provide Specialized Solutions

Since they don’t have to stay in one place, portable cooling units have been known to show up in some pretty unique places. Here’s a closer look at how portable units are serving in some outside-the-box applications.




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Enertech Global Sweeps the Light Commercial DDA Honors

A series of geothermal heat pumps from Enertech Global swept the HVAC Light Commercial Equipment category of the 2015 Dealer Design Awards, starting with the gold award winner, the TVS/TVT TETCO Commercial Series Geothermal Heat Pump.




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Nortek Global HVAC Introduces 3-Phase Light Commercial Air Conditioner

Nortek Global HVAC has introduced a new three-phase electric/electric packaged cooling solution. The company said the Model P8SE delivers 14 SEER cooling in capacity ranges from 3 to 5 tons in even tonnages, making it an energy-efficient choice for strip malls, restaurants, and retail stores.




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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 Cooling Showcase 2016: Summer Heat No Match for HVAC Cooling Equipment

The manufacturers provided all of the data included in the product grid as well as the photo feature. Therefore, any questions should be directed to them via the contact information provided in the photo feature section.