so

Luxaire®, a brand of Johnson Controls: Rooftop Unit Line

These products are designed to serve both the new construction and replacement markets.




so

Johnson Controls Launches New YORK Rooftop Line

The YORK brand of JCI is launching a line of RTUs designed to exceed the DOE energy efficiency standards, which will take effect January 1, 2023.




so

Johnson Controls Encourages Upward Mobility With Rooftop Units

At a booth thick with traffic at the AHR Expo’s, commercial product manager Schlegel talked about Johnson Controls’ new YORK Sun Choice rooftop unit.




so

Project Files: Episode 43 — Bull Valley Golf Club RTU Upgrade

With thousands of people visiting every year, Bull Valley needed to address deficiencies within the HVAC system of the 32-year-old clubhouse: in particular, the rooftop units.




so

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.




so

Project Files: Episode 70 — Rooftop Replacement at Texas Motor Speedway

The speedway’s original HVAC equipment, installed nearly 30 years ago, was outdated, and with one HVAC unit per suite, the cost to run and maintain the equipment was significant.




so

Counterperson of the Year Works at NOLA Distributor

Philip Laiche exemplifies the same values that make Malco great: dedication to excellent customer service and going above and beyond to ensure contractors have the Malco tools they need to get the jobs done, a press release from Malco Tools Inc. said.




so

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.




so

HVAC Q&A Episode 3: What Contractors Need To Know About RDS Field Installs

Since A2L refrigerants are designated as mildly flammable, safety features like refrigerant detection systems (RDSs) are being incorporated into new residential/light commercial ducted split systems that contain more than 4 pounds of A2L refrigerant. Here’s what HVAC technicians need to know about installing those RDS in the field.




so

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.




so

Lessons Learned From CO<sub>2</sub> Refrigeration Installations

In an informative session at the NASRC’s Sustainable Refrigeration Summit, Publix and Coborn’s shared the pros and cons of incorporating CO2 refrigeration systems into their stores.




so

Emerson Offers CO2 Transcritical Booster Supermarket Refrigeration Training

These Emerson half-day CO2 transcritical booster supermarket refrigeration courses will take place March 28, 29, and 30 at the Energy Education Center in Irwindale, California.




so

Phononic: Cold Chain Fulfillment Solution

As a sustainable solution for grocery’s end-to-end cold chain fulfillment needs, Phononic's ACT 2000 features a proprietary thermoelectric-based cooling platform that eliminates refrigerants and HFCs while meeting demanding refrigerated and frozen cold chain needs.




so

Project Files: Episode 48 — Custom A/C for the Vatican Museums

The Raphael Rooms in the Vatican are universally known as one of the greatest works of art ever created. During a typical summer, temperatures in Rome can soar as high as 104°F. So the decision to install air conditioning in the Raphael Rooms for the first time ever was an easy one.




so

Prison Installs: Higher-Stakes HVAC

Installing air conditioning in prisons is different than a regular commercial install, and it’s important to know the difference.




so

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.




so

Johnson Controls Makes Products Greener for Customers, Easier for Contractors

The world is headed into a greener future and Johnson Controls wants to act as a leader in getting there. That will take smarter, more efficient HVAC equipment.




so

Project Files: Episode 49 — Downtown Denver Rooftop Replacement

The cooling towers located on the roof of Granite Tower in Denver were meant to last 20 years. But at nearly 40 years, the cooling towers and fluid coolers were well past their life expectancy.





so

Solar-powered Evaporative Cooling Tower to Reduce Energy Costs

Renewable energy enthusiasts now have reason to celebrate: EVAPCO offers a solar-powered evaporative cooling tower. The SUN cooling tower is paired with PV panels to dramatically reduce energy consumption.  




so

Project Files: Episode 58 — HVAC Treatment Keeps Art Museum Cool

The city of Phoenix sought an energy-efficient HVAC solution that would restore Phoenix Art Museum’s lost efficiency and improve the indoor climate for the museum’s specialized environment while also contributing to the city’s energy conservation goals.




so

HVAC Solutions Help Data Centers Achieve Sustainability

The rapid expansion of data centers has raised concerns about their massive energy use and carbon footprint. However, adopting sustainable HVAC solutions can reduce a data center’s environmental impact and energy consumption.




so

Johnson Controls, Constellation Strike Solar Energy Pact

Constellation’s Offsite Renewables Plus (CORe+) retail power product, combined with Johnson Controls’ commitment to renewables, is supporting the development of two new Welcome Solar renewable energy facilities.




so

Project Files: Episode 63 — University of Cincinnati Chiller Upgrade

Like many universities across America, the University of Cincinnati faced a major infrastructure challenge: having to operate aging central utility plants with older technology.




so

How Low-Temperature Absorption Chillers Can Optimize Food and Beverage Processing

By splitting the absorption process into two steps, lithium bromide solution concentrations are lower in the system, enabling lower hot water temperatures within the generator, lower hot water flow rates, and the elimination of crystallization risk within the chiller.




so

Troubleshooting a Faulty HVAC Compressor Requires Patience

How does a tech know the a/c compressor he or she is diagnosing is actually failed and that the problem is not a crankcase heater, condenser fan, or rubbed out wire?




so

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. 




so

Frictionless Compressors Propel Daikin’s Magnitude to the Gold

The Magnitude® magnetic bearing centrifugal chillers from Daikin Applied not only reduce maintenance requirements and offer increased efficiencies, according to one Dealer Design Awards judge, but they also feature nearly nonexistent compressor vibration and top-tier customer support. 




so

BasX Solutions Acquires Seasons 4 Clean Room Product Line

BasX Solutions, a manufacturer of custom engineered products including HVAC solutions, announced that it has completed its acquisition of the clean room product line from Seasons 4.




so

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.




so

Access Inc. Joins Johnson Controls-Hitachi Manufacturers' Sales Rep Team

Access Inc. will be the new manufacturers' representative for Hitachi VRF systems and SmartFlex™ systems in eastern Michigan and Northwest Ohio




so

Project Files: Episode 61 — All-Electric, Zero-Carbon Michigan Home

This Michigan home is proof that even when achieving high-level green building standards, more can be done to improve sustainability.




so

Creating Thermal Energy Networks in Rochester, Minnesota

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.




so

How A Water-Source Heat Pump Works

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.




so

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...




so

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...




so

Re: CVE-2024-36905: Linux kernel: Divide-by-zero on shutdown of TCP_SYN_RECV sockets

Posted by Solar Designer on Nov 12

NIST doesn't appear to provide their own CVSS vectors/scores lately.
However, they republish (with attribution) some third-party ones, this
time from CISA-ADP. The CISA-ADP CVSS vector for this vulnerability
specifies that it not only is network-reachable, but also that it has
High impact not only on Availability, but also on Confidentiality and
Integrity. This results in a CVSSv3.1 score of 9.8. Even merely
correcting the vector not to...




so

Re: CVE-2024-36905: Linux kernel: Divide-by-zero on shutdown of TCP_SYN_RECV sockets

Posted by Clemens Lang on Nov 12

Hi,

I think the source for the CISA-ADP data is at [1]. For this specific CVE, the relevant file would be [2]. Their readme
has a section at the bottom, where they encourage feedback:

I’m aware of at last one prior case where a similar case of (IMHO) overblown CVSS scores was discussed in an issue on
this particular GitHub project [3].

Somebody seems to already have opened a ticket for this CVE, too: [4]

[1]:...




so

RE: CVE-2024-36905: Linux kernel: Divide-by-zero on shutdown of TCP_SYN_RECV sockets

Posted by Joel GUITTET on Nov 12

Hello
First thanks to Alexander for reposting because I was not able to do so!
You're right Clemens, I have myself ask the question on this github
(https://github.com/cisagov/vulnrichment/issues/130), but still no information for the moment.
Joel




so

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





so

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.




so

CVE-2024-52533: Buffer overflow in socks proxy code in glib < 2.82.1

Posted by Alan Coopersmith on Nov 12

Another CVE was issued by Mitre yesterday for another bug listed on
https://gitlab.gnome.org/Teams/Releng/security/-/wikis/home

https://gitlab.gnome.org/GNOME/glib/-/issues/3461 reports that:
"set_connect_msg() receives a buffer of size SOCKS4_CONN_MSG_LEN but it writes
up to SOCKS4_CONN_MSG_LEN + 1 bytes to it. This is because SOCKS4_CONN_MSG_LEN
doesn't account for the trailing nul character that set_connect_msg() appends...




so

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.




so

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.




so

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.




so

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.




so

Project Files: Episode 27 — U.S. Air Conditioning Distributors

When it comes to smart thermostats, USACD walks the walk and talks the talk.




so

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.




so

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.