sh Troubleshooting Puzzle: A Split System With Ongoing Complaints By www.achrnews.com Published On :: Fri, 09 Apr 2021 11:00:00 -0400 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. Full Article
sh Troubleshooting Electronic Expansion Valves By www.achrnews.com Published On :: Sun, 19 May 2024 07:00:00 -0400 The EEV is often used in modern refrigeration systems, but troubleshooting its common failures may be complicated. Full Article
sh 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
sh Troubleshooting PSC Fan Motors By www.achrnews.com Published On :: Mon, 15 Jul 2024 14:00:00 -0400 Troubleshooting PSC fan motors is a common task for service technicians, and failures tend to be either electrical or mechanical. Full Article
sh Why More HVAC Contractors Should Offer Duct Cleaning Services By www.achrnews.com Published On :: Wed, 24 Jul 2024 07:00:00 -0400 Over time, dirt, dust, pet dander, debris, and more accumulate in air ducts. And since the HVAC system works basically as a whole-home vacuum, all of that is recirculated through homes when the HVAC system runs, unless the ducts are cleaned out. Full Article
sh Should You Clean the Ducts of a Home with Asbestos? By www.achrnews.com Published On :: Thu, 17 Oct 2024 13:00:00 -0400 Trained to identify the varying types of asbestos used in old buildings, Matt Mountain of Mountain Duct Cleaning knows what he’s looking for. Full Article
sh Should HVAC Contractors Be Selling Geothermal? By www.achrnews.com Published On :: Tue, 21 Sep 2021 11:00:00 -0400 HVAC contractors should be prepared to sell geothermal to new customers regardless of any incentives. Full Article
sh 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
sh 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
sh 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
sh Re: shell wildcard expansion (un)safety By seclists.org Published On :: Sun, 10 Nov 2024 14:09:51 GMT Posted by Eli Schwartz on Nov 10The earliest version of the Bash Pitfalls guide that includes a warning about the topic, per the Wayback Machine: https://web.archive.org/web/20090426020027/https://mywiki.wooledge.org/BashPitfalls#Filenames_with_leading_dashes Overall, wildcards are just a classic "here is a programming language footgun, we cannot fix it because the language is backwards compatible to the 90s and earlier" which amounts to: people love bash because... Full Article
sh Re: shell wildcard expansion (un)safety By seclists.org Published On :: Sun, 10 Nov 2024 14:12:16 GMT Posted by lists on Nov 10That says nothing about the amusing character # either at the start of a name or after whitespace. Full Article
sh Re: shell wildcard expansion (un)safety By seclists.org Published On :: Sun, 10 Nov 2024 19:41:04 GMT Posted by Jeroen Roovers on Nov 10Also available on that very site: https://mywiki.wooledge.org/BashPitfalls?action=recall&rev=329#Filenames_with_leading_dashes and specifically as those changes you mentioned, on that site: https://mywiki.wooledge.org/BashPitfalls?action=diff&rev1=326&rev2=327 Kind regards, jer Full Article
sh Re: shell wildcard expansion (un)safety By seclists.org Published On :: Sun, 10 Nov 2024 19:43:19 GMT Posted by Fay Stegerman on Nov 10* Eli Schwartz <eschwartz () gentoo org> [2024-11-10 00:59]: [...] [...] Obviously, shell scripts and wildcards are one of the easiest ways to trip up here. But the underlying issue is that CLI interfaces mix options and arguments: the lack of a clean separation between data and code/commands (another example is e.g. printing unescaped control characters to stdout, something discussed on this list before, and far too common IME, as I... Full Article
sh Re: CVE-2024-36905: Linux kernel: Divide-by-zero on shutdown of TCP_SYN_RECV sockets By seclists.org Published On :: Tue, 12 Nov 2024 15:03:15 GMT Posted by Solar Designer on Nov 12NIST 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... Full Article
sh Re: CVE-2024-36905: Linux kernel: Divide-by-zero on shutdown of TCP_SYN_RECV sockets By seclists.org Published On :: Tue, 12 Nov 2024 16:42:28 GMT Posted by Clemens Lang on Nov 12Hi, 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]:... Full Article
sh RE: CVE-2024-36905: Linux kernel: Divide-by-zero on shutdown of TCP_SYN_RECV sockets By seclists.org Published On :: Tue, 12 Nov 2024 17:06:25 GMT Posted by Joel GUITTET on Nov 12Hello 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 Full Article
sh Re: shell wildcard expansion (un)safety By seclists.org Published On :: Tue, 12 Nov 2024 18:02:05 GMT Posted by Ali Polatel on Nov 12Thank you. Around six months ago I added a restriction on filenames with control characters to Sydbox[1] after I had read about a vulnerability here on this list. I think it was about tar but my memory may not serve me right. Sydbox is secure by default, so at first this feature was enabled without any way to turn it off. After a few months of testing with fellow Exherbo Linux developers, we have noticed some package tests (nvim was one of them)... Full Article
sh Shaping the Buildings of Tomorrow By www.achrnews.com Published On :: Mon, 31 Jul 2017 07:34:00 -0400 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. Full Article
sh QA Graphics: Energy Dashboard By www.achrnews.com Published On :: Mon, 12 Aug 2019 05:56:00 -0400 This product is integrated to help users work toward earning LEED requirements and other sustainability and accreditation and education agendas. Full Article
sh Hamid Sarshar Named President of TESCO Controls By www.achrnews.com Published On :: Tue, 14 Mar 2023 07:00:00 -0400 Hamid Sarshar will lead the 50-year-old company into the next strategic phase of growth and innovation within the UFT platform. Full Article
sh Residential Cooling Showcase 2016: Systems Designed to Keep Customers Cool By www.achrnews.com Published On :: Mon, 11 Apr 2016 07:36:00 -0400 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. Full Article
sh 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
sh Residential Heating Showcase 2016: New Products Help Homeowners Feel the Heat By www.achrnews.com Published On :: Mon, 12 Sep 2016 07:36:00 -0400 This heating showcase provides in-depth information on the features of each individual unit and also includes technical support information from the manufacturer. The manufacturers provided all of the data included in the product grid as well as in the photo feature; therefore, any questions should be directed to them via the contact information provided in the photo feature section. Full Article
sh Commercial Heating Showcase 2016: New HVAC Systems Help Keep the Commercial Market Warm By www.achrnews.com Published On :: Mon, 03 Oct 2016 07:36:00 -0400 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. Full Article
sh HVAC Pros Discuss Their Favorite Diagnostic Troubleshooting Tools By www.achrnews.com Published On :: Mon, 19 Mar 2018 07:31:00 -0400 HVACR technicians are special individuals. They have the intelligence, aptitude, and knack for problem-solving. In fact, they are expected to know how to diagnose and troubleshoot equipment of all types, sizes, and ages. Full Article
sh possible false positive for 'INDICATOR-SHELLCODE x86 setgid 0' can someone confirm By seclists.org Published On :: Tue, 29 Oct 2024 13:34:31 GMT Posted by John via Snort-sigs on Oct 29When I attempt to download the following xz file, my IPS blocks it with the below populating the snort log. I suspect this is a false positive unless there is some code in the xz file that is truly malicious. Can someone with more knowledge about the rule please comment? Link to file that triggers the match: http://fl.us.mirror.archlinuxarm.org/armv7h/extra/qt5-base-5.15.15%2Bkde%2Br136-1-armv7h.pkg.tar.xz Entry from snort log:... Full Article
sh Venturing Into E-Commerce: What HVAC Contractors Should Think About By www.achrnews.com Published On :: Mon, 28 Oct 2024 07:00:00 -0400 Selling products online is a whole new ball game. So, contractors will want to learn about their consumers buying journeys, and thoughtfully consider how to launch the online store, what products to sell, and how to market it. Full Article
sh New Study Shows Homeowner ‘Repair Or Replace?’ Tipping Point By www.achrnews.com Published On :: Tue, 29 Oct 2024 02:00:00 -0400 People are still pinching pennies and choosing repairs, but there are ways for contractors to sell new equipment, even when it’s more expensive. Full Article
sh The Importance Of Female Leadership In The HVACR Industry By www.achrnews.com Published On :: Sun, 03 Nov 2024 06:00:00 -0500 “It's simple. If you want to encourage women to prosper and develop, provide them with some prospering women to inspire them to develop.” Full Article
sh Commercial Heating Showcase 2024 By www.achrnews.com Published On :: Mon, 04 Nov 2024 02:00:00 -0500 Commercial heating equipment manufacturers are rolling out new systems that are energy efficient, as well as service friendly for contractors. Full Article
sh Women in HVACR Shine Bright in the Lone Star State By www.achrnews.com Published On :: Thu, 07 Nov 2024 15:00:00 -0500 The recent Women in HVACR conference offered sessions aimed at advancing attendees' knowledge on industry topics such as the refrigerant transition, as well as building their leadership skills. Full Article
sh Few Homeowners are Aware of HVAC Incentives, Survey Shows By www.achrnews.com Published On :: Tue, 12 Nov 2024 04:00:00 -0500 Low public awareness of incentives that can subsidize residential HVAC purchases means contractors have the opportunity to educate and position themselves as trusted advisors, marketing experts say. Full Article
sh Name Has Changed, But ASHB’s Mission Remains By www.achrnews.com Published On :: Tue, 08 Aug 2023 16:00:00 -0400 CABA was founded in 1988. As ASHB, its mission — to empower connectivity among people, spaces, and technology to deliver a more livable, sustainable, and efficient connected world — remains unchanged. Full Article
sh ASHB Names New Board Member By www.achrnews.com Published On :: Wed, 16 Aug 2023 16:50:00 -0400 “Julie Petrone is an invaluable new partner in ASHB’s efforts to advance the smart technology industry,” said ASHB CEO Greg Walker. Full Article
sh Partnership Helps Food Retailers Save Energy By www.achrnews.com Published On :: Thu, 31 Aug 2023 15:30:00 -0400 The Copeland-Enersponse collaboration offers a chance for food retailers to improve energy conservation efforts through involvement in demand-response initiatives that assist in stabilizing the power grid during times of high electricity consumption. Full Article
sh Carrier’s Tommy Hulland Joins ASHB Board By www.achrnews.com Published On :: Thu, 21 Sep 2023 10:45:00 -0400 Hulland is the associate director of strategic planning and market intelligence for residential and light commercial HVAC at Carrier. Full Article
sh Residential Cooling Showcase 2024 By www.achrnews.com Published On :: Mon, 08 Apr 2024 07:00:00 -0400 In this showcase, The ACHR NEWS introduces the latest cooling equipment available for the upcoming summer season in order to help contractors distinguish between brands. Full Article
sh California Heat Pump Partnership Aims to Scale Up Electrification of HVAC By www.achrnews.com Published On :: Mon, 05 Aug 2024 14:00:00 -0400 This new private-public partnership wants to quadruple heat pump installation in California over the next 6 years. Full Article
sh Cashing In on Heat Pumps: A Primer on Incentives, Rebates, and Tax Credits By www.achrnews.com Published On :: Thu, 10 Oct 2024 07:00:00 -0400 With “heat pump” and “incentives” almost being synonymous at this point, contractors need to understand the basics to ensure customers are receiving the benefits. Full Article
sh Residential Heating Showcase 2021 By www.achrnews.com Published On :: Tue, 05 Oct 2021 07:00:00 -0400 Every year, The ACHR NEWS introduces the latest heating equipment that is available for the upcoming winter season. Full Article
sh Troubleshooting Puzzle: An Electric Furnace That’s Not Performing By www.achrnews.com Published On :: Sat, 09 Oct 2021 11:00:00 -0400 The equipment in this month’s troubleshooting problem is an electric furnace that has been in service for at least ten years and has no service history. Full Article
sh Facts + Figures: AHRI Shipment Data for July 2021 By www.achrnews.com Published On :: Sat, 16 Oct 2021 11:00:00 -0400 Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies. Full Article
sh Facts + Figures: AHRI Shipment Data for November 2021 By www.achrnews.com Published On :: Thu, 17 Feb 2022 07:00:00 -0500 Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies. Full Article
sh Residential Heating Showcase 2022 By www.achrnews.com Published On :: Mon, 10 Oct 2022 06:00:00 -0400 Every year, The ACHR NEWS introduces the latest heating equipment that is available for the upcoming winter season. Full Article
sh Basic Furnace Maintenance and Troubleshooting By www.achrnews.com Published On :: Sat, 14 Jan 2023 07:00:00 -0500 The ACHR NEWS visited Flame Furnace in Warren, Michigan to learn how to do maintenance and basic troubleshooting on a furnace. Full Article
sh Residential Heating Scene Shows Mix of Cold Climate Heat Pumps, Furnaces By www.achrnews.com Published On :: Mon, 27 Feb 2023 11:00:00 -0500 Cold climate heat pumps were on full display on the AHR show floor and manufacturers were eager to share their progress reports in the Department of Energy’s CCHP Challenge. Full Article
sh Peterman Brothers Charity Showdown Supports Indianapolis-Area Community Organizations By www.achrnews.com Published On :: Wed, 15 Mar 2023 00:00:00 -0400 Throughout March, voters will help the staff at Peterman Brothers select four charity partner organizations for 2023. Full Article
sh Residential Heating Showcase 2023 By www.achrnews.com Published On :: Mon, 09 Oct 2023 06:00:00 -0400 The residential heating showcase is designed to help HVAC contractors learn about the new heating equipment that is available for the upcoming cooler months. Full Article
sh Why Every HVAC Contractor Should Consider Adding Combustion Testing Services By www.achrnews.com Published On :: Wed, 22 Nov 2023 07:00:00 -0500 Due to a lack of training, time constraints, and numerous other reasons, many HVAC contracting companies are not performing combustion testing, potentially compromising customers’ safety. Full Article