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Big or Small, Snowmelt Systems Carry the Load

Hydronic snowmelt systems can bring convenience and comfort to places like zoos, sidewalks, decks, pools, and driveways — but they can also save lives.




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Living Wall at University of Michigan Wins Green Wall Award

A living wall biofilter is an active filter system that removes contaminants and volatile organic compounds (VOCs) from indoor air.




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Lennox Runs First “Feel the Love” HVAC Install in Iowa

Through the program, Lennox helps families in need by donating a state-of-the-art HVAC system, then having the equipment installed by a local Lennox dealer free of charge.




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Overcoming the Top Challenges to an HVAC Business

Starting an HVAC service business requires thorough planning. After a while, more problems and challenges pop up one after the other.




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Comprehensive Guide: HVAC Service Calls During COVID-19

Here's how to ensure that your customers and employees stay healthy and safe during your service calls, in the midst of a pandemic.




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9 Methods for Installing Residential and Commercial Radiant

With multiple methods offering their own unique advantages, it’s important to be familiarized with the relevant radiant installation method to ensure a job well done.




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NY Grocers Call For State to Pause HFC Standard

New York grocers are calling on the state to pause its HFC standard, noting that the proposed regulations would have devastating impacts on the retail food industry.




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NY Grocers Call to Pause Proposed HFC Regulations

Grocers in New York State are calling for a pause to a new HFC standard in hopes to allow for a more reasonable timeline.




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Behind the Scenes: A Look at Regal Rexnord’s All-Electric Innovations

To serve customers who want to decarbonize and become more efficient, the folks at Regal Rexnord are leveraging new technology to meet new standards.




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Success Group International Celebrates 20 Years Of Helping Contractors at Its Dallas Expo

Success Group International recently hosted its fall 2019 Expo at the Gaylord Texan Resort & Convention Center in Dallas.




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Acco Engineered Systems and All Area Plumbing Join Forces

Acco Engineered Systems announced that it will join forces with All Area Plumbing, a regional design-build plumbing contractor serving Southern California. Adding All Area Plumbing’s capabilities, Acco said it will strengthen its position as one of the largest mechanical contractors in the western United States.




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Comfort and Efficiency Challenge the Air Movement Industry

Designing a forced-air system for proper air movement and efficiency is a challenge faced by multiple players in the HVAC industry.




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Continental Fan: Wall Mount Exhaust Fan

This product provides a compact ventilation solution for warehouses, equipment cooling, mechanical rooms, factories, and more.




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Challenging the Custom AHU Status Quo

Designing, selling, and producing AHUs is a long process. Is there anything we can do to accelerate the process?




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Unico Announces Alliance With Ecoer

Unico System, in conjunction with Ecoer, announced a corporate alliance at the recent AHR Expo that will offer an inverter heat pump optimized to pair with Unico’s small duct air handlers.




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Unico Makes High Efficiency EC Motors Standard for All Blower Models

Unico Inc. announced it is making highly efficient EC motors standard for all blower models within its modular air handling units.




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Identify All Problems Before Quoting a Refrigeration Job

Here is the potential problem: A contractor quotes a customer on the compressor replacement, and he agrees to repair the cooler at the quoted price. Then, as the technician is completing the job — or even after he has finished replacing the compressor — he finds out there is another system problem.




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HVAC Tech Forced to Watch As All His Tools Are Stolen

An HVAC tech was stuck on a roof as a trio of brazen thieves made off with all his tools after kicking over his ladder during a daylight heist.




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Integrated Facility Services Acquires Wally’s Refrigeration

Integrated Facility Services (IFS), a full-service mechanical contractor with offices in St. Louis and Columbia, Missouri, announced it has acquired Wally’s Refrigeration, Lake of the Ozarks, Missouri.




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Don’t Tuck Duct Issues Into the Install

The owner has bought into the project, the contract has been signed, and the design has been designed. Today is ductwork day.




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Five Tips to Improve Your Flexible Duct Installations

Many in our industry believe the duct material used in an installation determines how well the HVAC system moves air. The issue isn’t the material type, it’s how we install the product.




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Last Call For R-410A Equipment? Maybe Not

HVAC manufacturers are prepared for the refrigerant transition to A2Ls but are finding that there is still strong demand for R-410A equipment.




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What Small Businesses Need to Know about Generative AI

Evolving AI technology is becoming an important business tool for personalizing customer experience, analyzing data, and much more.




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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.




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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.




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HVACR Techs Help Supermarkets Meet the Challenges of Change

Supermarkets and grocery stores are facing challenging times as the $1.2 trillion annual sector strives to maintain its relevancy in a sea of change.




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Conference Tackles Challenges for Food Retailers, HVACR Contractors

Many end users, as well as refrigeration engineers and contractors, attended Food Marketing Institute’s (FMI’s) 2018 Energy & Store Development Conference in Atlanta, looking for advice on how to respond to these trends.




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Small-Format Stores Require Different Refrigeration Strategy

While large grocery stores are not going away any time soon, there is a new trend taking hold in the marketplace: the small-format grocery store.




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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.




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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.




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Bergdorf Goodman Store Installs Low-GWP Chillers

Trane Technologies and Neiman Marcus Group are collaborating to decarbonize the luxury retailer’s footprint through renewable energy, electrification, energy efficiency, and refrigerant management.




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ABCs of Externally Equalized TXVs

The TXV also simultaneously controls a set amount of evaporator superheat while, under these same conditions, assuming the range and capacity of the valve is not exceeded.




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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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Expert Advice on Navigating that First A2L Installation

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.




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Advice for the First A2L Installation

With the impending deadline right around the corner, manufacturers have started introducing their A2L systems in the U.S.




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Common Combustion Testing Errors to Avoid This Fall

Just because an HVAC technician installs a system according to current codes and standards, it doesn’t always mean it’s safe.




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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.




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Concerns Around HVAC Heat Pump Installs

Contractors will be tasked with more installs of heat pumps, and their challenges, as customers learn more about their benefits.




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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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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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Re: Hi all! (and a snort sig question)

Posted by Al Lewis (allewi) via Snort-sigs on Oct 10

Wouldnt it be easier to just use the IP variable?

i.e replace the EXTERNAL_NET and use a variable or IP?

Albert Lewis

Email: allewi () cisco com<mailto:allewi () cisco com>

________________________________
From: Snort-sigs <snort-sigs-bounces () lists snort org> on behalf of Rob Vandenbrink via Snort-sigs <snort-sigs ()
lists snort org>
Sent: Thursday, October 10, 2024 12:12 PM
To: Snort User <snort.user () gmail com>...




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HVAC Q&A Episode 4: Overlooked Ways to Advertise Locally

Four marketing coaches share what makes an HVAC contractor stand out to potential customers.




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Smaller Buildings Can Benefit From Building Automation Systems

Small- to medium-sized buildings make up about 94% of all commercial buildings in the U.S., according to the U.S. Energy Information Administration, yet only 13% of those buildings have a building automation system.




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Commercial Controls and Building Automation: Advancing It All

Trends at this year’s AHR Expo within commercial controls and building automation were improving energy efficiency, making buildings more adaptable, streamlining workflow to make things easier for HVACR contractors, and a greater emphasis on cybersecurity and digitization.




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Easy Installation, Use Highlight Residential Controls Offerings

Over a year of research and design went into the 2018 Dealer Design Awards gold-winning product in the Residential Controls category. After listening to feedback from both contractors and consumers for a more basic, easy-to-use, and cost-effective thermostat, Nest created the Nest Thermostat E.




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Battle for the Wall: Benefits of Proprietary Controls Versus Smart Thermostats

The expected surge in smart thermostat sales will have equipment manufacturers, many of whom have their own proprietary controls, competing with the well-known universal thermostat brands, such as Nest, Honeywell, and ecobee.




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Heat Pump Installations Gain Momentum

Heat pump sales may look like they are slowing down, but research shows they are picking up speed.




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HVAC Q&A Episode 1: Common Heat Pump Installation Mistakes

What are the most common mistakes in heat pump installs, and how do you avoid them? Here’s what experts had to say about heat pump installation — a must-watch as electrification continues to gain momentum.




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The Time is Now for HVAC Contractors to Install and Repair All-Electric Heat Pumps

All-electric options have come a long way since their inception, and there’s never been a better time to get on board.




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Trade Groups File Challenge to DOE Furnace Rule

The final rule from the U.S. Department of Energy, issued recently, requires newly manufactured indoor residential gas furnaces to be at least 95% efficient starting in December 2028, meaning furnaces made after then will have to be condensing models.