at Tour Showcased VRV Systems at Duke Ellington Public School By www.achrnews.com Published On :: Thu, 28 Feb 2019 09:00:00 -0500 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. Full Article
at Ductless Split System Innovations That Matter to Your Bottom Line By www.achrnews.com Published On :: Fri, 01 Mar 2019 12:46:00 -0500 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. Full Article
at RectorSeal, Panasonic, and Contractor Donate VRF System to Arizona Church By www.achrnews.com Published On :: Mon, 04 Mar 2019 12:00:00 -0500 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. Full Article
at Expert Advice on Navigating that First A2L Installation By www.achrnews.com Published On :: Mon, 10 Jun 2024 07:00:00 -0400 Manufacturers are starting to introduce their A2L systems in the U.S., so contractors and technicians must learn how to service and install this new equipment. Full Article
at Advice for the First A2L Installation By www.achrnews.com Published On :: Tue, 25 Jun 2024 07:00:00 -0400 With the impending deadline right around the corner, manufacturers have started introducing their A2L systems in the U.S. Full Article
at When Troubleshooting a Refrigeration System, Don’t Make Assumptions By www.achrnews.com Published On :: Thu, 27 Jun 2024 14:00:00 -0400 Troubleshooting refrigeration systems can be complex and frustrating, so put aside any assumptions and inspect the system thoroughly before making any diagnosis. Full Article
at Refrigerant Management Strategies Are Urgently Needed By www.achrnews.com Published On :: Tue, 16 Jul 2024 14:00:00 -0400 Contractors need to implement a refrigerant management strategy that accommodates both legacy and A2L systems, as well as emphasizes recovery and reclamation. Full Article
at A Capital Cost and Energy Saving Approach to Chilled Water HVAC with Zero Emissions Potential By www.achrnews.com Published On :: Fri, 09 Aug 2024 14:00:00 -0400 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. Full Article
at Temporary Fixes Can Jumpstart a Refrigeration System By www.achrnews.com Published On :: Thu, 22 Aug 2024 07:00:00 -0400 Timely refrigeration repairs are crucial to avoid product loss; temporary fixes can sometimes keep systems running until parts arrive. Full Article
at Three Tips for Your Next System Evacuation By www.achrnews.com Published On :: Thu, 05 Sep 2024 07:00:00 -0400 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. Full Article
at Don’t Overlook Cleaning the Evaporator Coil By www.achrnews.com Published On :: Fri, 18 Oct 2024 07:33:37 -0400 Cleaning evaporator coils in a walk-in cooler can be challenging, but it needs to be done in order to keep the system operating efficiently. Full Article
at Are Geothermal Heat Pumps the Key to a Cleaner Planet? By www.achrnews.com Published On :: Sun, 01 Aug 2021 11:00:00 -0400 Geothermal energy can be used to heat and cool commercial buildings. The highly efficient systems that make this possible are geothermal heat pumps. Full Article
at Integrating the Advantages of Geothermal Into an HVAC Company By www.achrnews.com Published On :: Fri, 05 Nov 2021 07:00:00 -0400 Geothermal heat pumps tap into a renewable source of energy to provide comfort for a home, and HVAC contractors can tap into this market for increased sales. Full Article
at Manufacturers Help Contractors Keep up with Heat Pump Technology as Market Grows By www.achrnews.com Published On :: Mon, 08 Nov 2021 11:00:00 -0500 Manufacturers and contractors are working to educate end users about the ways heat pumps work differently from traditional heat sources. Full Article
at Heat Pump Awareness Grows from Residential, Commercial Customers By www.achrnews.com Published On :: Mon, 14 Feb 2022 11:00:00 -0500 Consumer awareness and opinion of heat pumps are both improving, along with the technology. Manufacturers see a strong market ahead, although some challenges remain. Full Article
at Washington State Pushes for Heat Pumps By www.achrnews.com Published On :: Sat, 10 Dec 2022 07:00:00 -0500 Heat pumps for both space and water heating will be required in most new homes in the state of Washington beginning next July. Full Article
at The 9 Types of Heat Pumps By www.achrnews.com Published On :: Tue, 14 Feb 2023 07:00:00 -0500 As the U.S. moves toward electrification, heat pumps are becoming more popular, which will likely increase sales in the coming years. The key is to know which type of heat pump will work best for an application, as there is a wide range of equipment from which to choose. Full Article
at Energy Savings, New Technology, Incentives: The Market for Geothermal is Heating Up By www.achrnews.com Published On :: Wed, 08 Mar 2023 07:00:00 -0500 Though geothermal systems can cost several times more than traditional HVAC units, the energy savings may be substantial. Full Article
at March 27, 2023 NEWSRoom: Heat Pumps Part of Musk’s Master Plan, AHRI Policy Leadership Award, Enter Top 30 Distributors of 2023 By www.achrnews.com Published On :: Mon, 27 Mar 2023 13:00:00 -0400 Catch up on the latest headlines in our NEWSRoom video series. Full Article
at Moisture Control for Heat Pumps By www.achrnews.com Published On :: Mon, 17 Jul 2023 07:00:00 -0400 When it comes to moisture control, sizing the heat pump correctly is the most effective step an HVAC contractor can take. Full Article
at Concerns Around HVAC Heat Pump Installs By www.achrnews.com Published On :: Tue, 19 Dec 2023 05:00:00 -0500 Contractors will be tasked with more installs of heat pumps, and their challenges, as customers learn more about their benefits. Full Article
at In Line for Federal Money for Heat Pumps, OEMs are Ready to get to Work By www.achrnews.com Published On :: Tue, 30 Jan 2024 14:00:00 -0500 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. Full Article
at Creating Thermal Energy Networks in Rochester, Minnesota By www.achrnews.com Published On :: Wed, 31 Jan 2024 14:00:00 -0500 As Rochester city leaders set the ambitious goal of reducing greenhouse gas emissions by 50% by 2030 and 100% by 2050, the challenge is now how to follow through. Full Article
at Geothermal and Decarbonization By www.achrnews.com Published On :: Thu, 07 Mar 2024 07:00:00 -0500 Decarbonization and electrification, the refrigerant transition, and incentives were big topics among geothermal companies at the AHR Expo. Consumer education and ease of product serviceability were also discussed. Full Article
at How A Water-Source Heat Pump Works By www.achrnews.com Published On :: Wed, 22 May 2024 14:00:00 -0400 To help the industry better promote geothermal heat pump technology, it first needs to have an understanding of exactly what is going on during its heating and cooling process. Full Article
at Breaking the Code: Controlling Humidity and Particulate to Meet Building Standards By www.achrnews.com Published On :: Mon, 02 Mar 2020 04:00:00 -0500 While balanced ventilation does have energy benefits, there is a misconception about its ability to reduce humidity. Full Article
at The Impact of Adding or Removing Water from Air By www.achrnews.com Published On :: Mon, 16 Mar 2020 04:03:00 -0400 We often humidify and dehumidify as part of our work, but let’s take a different look at what happens when we do that. Full Article
at Troubleshooting Puzzle: A Split System That’s Not Cooling By www.achrnews.com Published On :: Mon, 11 May 2020 04:00:00 -0400 In this month’s troubleshooting problem, the equipment is a split system that’s approximately 8 years old. Full Article
at Elon Musk Is Attempting to Revolutionize HVAC Systems By www.achrnews.com Published On :: Fri, 19 Jun 2020 11:00:00 -0400 Musk confirmed that his company could make use of their current heat pump technology to develop a smart HVAC system for home use. Full Article
at A Simple Guide to the Refrigeration Cycle and How Air Conditioners Work By www.achrnews.com Published On :: Tue, 15 Sep 2020 07:00:00 -0400 Four core components work together to control when refrigerant is absorbing heat, and when it is releasing heat. Full Article
at The Secret to Energy and Cost Savings: Pump System Evaluation By www.achrnews.com Published On :: Thu, 08 Oct 2020 11:00:00 -0400 Determining the right pump to save energy in a given application can be broken down into three general steps. Full Article
at Upper-Room UVGI: An Infectious Disease Control Strategy By www.achrnews.com Published On :: Tue, 20 Apr 2021 07:00:00 -0400 The pandemic has marked a turning point for an underutilized technology for infectious disease control in buildings. Full Article
at Understanding the Formula to Calculate BTUH By www.achrnews.com Published On :: Sun, 20 Jun 2021 11:00:00 -0400 The "magic number" 1.08 is convenience factor. It is a bunch of math combined into one factor as a shortcut, although sometimes more precise calculation is better. Full Article
at Harlan is New Business Development Manager at WAGO By www.achrnews.com Published On :: Tue, 06 Jun 2023 16:49:21 -0400 Amy Harlan, who has an extensive background in electronics and device connectivity, is the new business development manager for device connection technology at the global electronics technology firm. Full Article
at Defining and Calculating Voltage Imbalance By www.achrnews.com Published On :: Wed, 28 Jun 2023 11:00:00 -0400 Saving one compressor will cover the cost of a voltage monitor and then some. Full Article
at Nationwide 250 hp Boiler Achieves 5 ppm NOx Performance By www.achrnews.com Published On :: Wed, 26 Jul 2023 12:30:00 -0400 Equipped with an Oilon LN30 ultra-low NOx burner and Nationwide’s Eagle PLC-based Control System, the 250 hp package boiler achieved average emissions performance of 5 ppm NOx and 0 ppm CO (corrected to 3% O2) during third-party testing. Full Article
at H2VAC: Using Hydrogen Fuel to Decarbonize Heating and Cooling By www.achrnews.com Published On :: Sat, 28 Sep 2024 07:00:00 -0400 Discover how hydrogen fuel is poised to revolutionize HVAC systems by reducing carbon emissions and easing strain on electric grids, driving the industry toward a decarbonized future. Full Article
at 6 Essential Steps for Teaching CO₂ Refrigeration By www.achrnews.com Published On :: Sun, 06 Oct 2024 07:00:00 -0400 CO2 refrigeration systems demand both classroom knowledge and hands-on experience, which is why blending theory with practice creates top-notch technicians. Full Article
at Xen Security Advisory 464 v2 (CVE-2024-45819) - libxl leaks data to PVH guests via ACPI tables By seclists.org Published On :: Tue, 12 Nov 2024 12:08:00 GMT 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... Full Article
at CVE-2024-50386: Apache CloudStack: Directly downloaded templates can be used to abuse KVM-based infrastructure By seclists.org Published On :: Tue, 12 Nov 2024 14:25:57 GMT Posted by Daniel Augusto Veronezi Salvador on Nov 12Severity: important Affected versions: - Apache CloudStack 4.0.0 through 4.18.2.4 - Apache CloudStack 4.19.0.0 through 4.19.1.2 Description: Account users in Apache CloudStack by default are allowed to register templates to be downloaded directly to the primary storage for deploying instances. Due to missing validation checks for KVM-compatible templates in CloudStack 4.0.0 through 4.18.2.4 and 4.19.0.0 through 4.19.1.2, an attacker that... Full Article
at Re: Xen Security Advisory 464 v2 (CVE-2024-45819) - libxl leaks data to PVH guests via ACPI tables By seclists.org Published On :: Tue, 12 Nov 2024 17:24:43 GMT Posted by Andrew Cooper on Nov 12Data 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 Full Article
at Re: Xen Security Advisory 464 v2 (CVE-2024-45819) - libxl leaks data to PVH guests via ACPI tables By seclists.org Published On :: Tue, 12 Nov 2024 18:10:07 GMT Posted by Demi Marie Obenour on Nov 12Is 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. Full Article
at See What’s Possible at the New UTC Innovation and Technology Center By www.achrnews.com Published On :: Mon, 09 Jul 2018 07:31:00 -0400 United Technologies Corp. (UTC), the parent company of Carrier Corp., recently opened the new UTC Center for Intelligent Buildings in Palm Beach Gardens, Florida. Full Article
at Advanced Refrigeration Technologies Boosting Energy Efficiency in Supermarkets By www.achrnews.com Published On :: Mon, 03 Sep 2018 07:28:00 -0400 In supermarkets, where HVAC and refrigeration equipment use 50 to 60 percent of all electricity consumed, new technologies and advanced control strategies have been developed to help boost energy efficiency as well as reduce emissions. Full Article
at Industry Responds as Companies Commit to Battling Climate Change By www.achrnews.com Published On :: Mon, 21 Oct 2019 04:36:00 -0400 Corporate America is making pledges to take action against climate change, which is opening up opportunities for HVAC contractors. Full Article
at BrainBox AI in Agreement to Acquire ABB’s Multisite Retail Energy Management System Integrator Business By www.achrnews.com Published On :: Thu, 18 May 2023 00:00:00 -0400 BrainBox AI intends to integrate ABB’s MSR business and its installed base of 12,000-plus retail locations in its current operations. Full Article
at Industry Negotiates RTU Efficiency Standards By www.achrnews.com Published On :: Mon, 15 Jun 2015 07:34:00 -0400 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. Full Article
at Coastal Coat Casing Package: Equipment Casing By www.achrnews.com Published On :: Mon, 27 Jul 2015 07:25:00 -0400 The Coastal Coat Casing Package is now offered as a premium option for the Modine Atherion packaged ventilation system. Full Article
at Starting Up Idle HVAC Equipment after Summer Vacation By www.achrnews.com Published On :: Mon, 03 Aug 2015 07:32:00 -0400 There are things contractors can do to get school equipment back online and ensure it’s operating as efficiently as possible in time for the first school bell this fall. Full Article
at Commercial Cooling Showcase 2016: Summer Heat No Match for HVAC Cooling Equipment By www.achrnews.com Published On :: Mon, 02 May 2016 07:36:00 -0400 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. Full Article