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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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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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A Simple Guide to the Refrigeration Cycle and How Air Conditioners Work

Four core components work together to control when refrigerant is absorbing heat, and when it is releasing heat.




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How Can A Direct Drive Design Optimize Cooling Tower Performance?

A variable speed drive (VSD) controls the speed of the high-torque, direct-drive motor for optimal fan operation.




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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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Internet of Things Improves HVAC Efficiency and Effectiveness

IoT-enabled HVAC systems can accommodate a seamless user experience while reducing environmental impact.




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Maximizing Indoor Air Quality Without Sacrificing Energy Efficiency

The proper application of modern HVAC technologies can help maximize indoor air quality while minimizing losses in operational efficiency.




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Upper-Room UVGI: An Infectious Disease Control Strategy

The pandemic has marked a turning point for an underutilized technology for infectious disease control in buildings.




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Why Changing Refrigerants May Mean Your Existing Pump Needs Replacing

When changing the refrigerant within your pumping application, it is worth discussing the application with a process specialist.




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Understanding the Formula to Calculate BTUH

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.




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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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How Much Do You Know About HVAC Service?

Whether you’re the owner of an HVAC contracting company or a student at a tech school, take this quiz to find out how much you know about servicing equipment.




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How to Measure Net Oil Pressure

Before servicing any refrigeration or air conditioning systems that contain an oil pump, technicians should make sure they understand the difference between net oil pressure and oil pump discharge pressure.




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Public Review of Proposed Revisions to ACCA Manual SPS (HVAC Design for Swimming Pools and Spas)

The 30-day ANSI public review period closes May 14.  




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Harlan is New Business Development Manager at WAGO

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.




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Defining and Calculating Voltage Imbalance

Saving one compressor will cover the cost of a voltage monitor and then some.




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Nationwide 250 hp Boiler Achieves 5 ppm NOx Performance

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.




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10 Things to Know Before Your First Mini-Split Call

The first time a technician has to tackle a ductless mini-split can be nerve-racking, but by following these 10 tips, the job can be done without all the anxiety.




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Xen Security Advisory 463 v2 (CVE-2024-45818) - Deadlock in x86 HVM standard VGA handling

Posted by Xen . org security team on Nov 12

Xen Security Advisory CVE-2024-45818 / XSA-463
version 2

Deadlock in x86 HVM standard VGA handling

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

Public release.

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

The hypervisor contains code to accelerate VGA memory accesses for HVM
guests, when the (virtual) VGA is in "standard" mode. Locking involved
there has an unusual discipline, leaving...




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CVE-2024-50386: Apache CloudStack: Directly downloaded templates can be used to abuse KVM-based infrastructure

Posted by Daniel Augusto Veronezi Salvador on Nov 12

Severity: 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...





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Demand for Frequency Drives on the Uptick

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.




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Shaping the Buildings of Tomorrow

The buildings of tomorrow are chock full of Internet of Things (IoT) devices and equipment that connect tenants, mechanical systems, and facility managers to up-to-the-minute data and progress reports.




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Honeywell Intl. Inc.: BMS Service

Combining advanced automation and data analytics, Outcome Based Service enables Honeywell service engineers to assess and scrutinize building assets around the clock, promoting the identification of anomalies and misconfigurations.




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High-performance Buildings Zero in on Zero-Net Energy

State and local regulations are driving new building construction as well as existing buildings to implement energy-efficient technologies in order to meet future carbon emissions reduction goals. These facilities, known as high-performance buildings, strive to deliver optimal efficiency, reliability, value, and comfort to tenants.




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Panasonic Manages Consumer Comfort, Controllability, and Costs

Panasonic Corp. of North America is honing in on its focus to make it easier for both residential and commercial building owners to control the temperature and comfort level within the space. The company hit its targets with the introduction of two new products — the ECONAVI air conditioner and the Variable Refrigerant Flow (VRF) Smart Connectivity Controller.




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Emerson’s Equipment Evolutions Strengthen HVACR Experience

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




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Economizers Offer Many Benefits for Rooftop Units, Air Handlers

Economizers used in rooftop units and air handlers are multipurpose devices that can improve both the energy efficiency and indoor environment in a wide range of commercial buildings.




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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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Advanced Refrigeration Technologies Boosting Energy Efficiency in Supermarkets

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.




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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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Cutting-Edge Construction: Putting Energy Management Into Practice

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




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Industry Responds as Companies Commit to Battling Climate Change

Corporate America is making pledges to take action against climate change, which is opening up opportunities for HVAC contractors.




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Technology Investments For HVAC Contractors Pay in Time Saved

HVAC contractors could invest in all kinds of technology, ranging from tools to management systems, but often, the question lies with the payoff.




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Manufacturers Meet Demand for More Intelligent Building Controls

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




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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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Aircuity is Approved Vendor for Real-Time Energy Management Program

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




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Honeywell Launches Autonomous Building Sustainability Solution To Fight Rising Global Energy Consumption

Honeywell announced the launch of Honeywell Forge Energy Optimization, a cloud-based, closed-loop, machine learning solution.




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Hamid Sarshar Named President of TESCO Controls

Hamid Sarshar will lead the 50-year-old company into the next strategic phase of growth and innovation within the UFT platform.





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Acuity Brands to Acquire KE2 Therm

The acquisition extends Distech Controls’ addressable market into commercial refrigeration.




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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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New Belimo Retrofit Program Designed to Boost Efficiency

RetroFIT+ is the next iteration of the Belimo retrofit program, which offers online resources, including a product-selection tool, as well as personal support to provide quick and easy access to HVAC replacement solutions for actuators, valves, and sensors.




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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 Market Geared for Uptime

The benefits of portables, including speedy implementation, reduced downtime, and cost-effectiveness, are continuing to gain recognition from end users. And, as end users experience these benefits and the resulting uptime, industry experts expect the portable market to continue to heat up.




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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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Coastal Coat Casing Package: Equipment Casing

The Coastal Coat Casing Package is now offered as a premium option for the Modine Atherion packaged ventilation system. 




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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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Starting Up Idle HVAC Equipment after Summer Vacation

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.




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New Products Offer Energy Savings, Comfort

Every year, The NEWS introduces the latest heating equipment that is available for the upcoming winter season. The intent is to help contractors prepare for this busy period by doing the research that will help them to distinguish between brands.




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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.