Technology & Trends - Variable Refrigerant Flow Systems (VRF or VRV)

How can UK businesses effectively tackle the challenge of cooling commercial and industrial buildings? Cooling commercial and industrial buildings can be a challenge for UK businesses. In recent years, the spiraling energy costs have put pressure on businesses with regard to finding new and innovative ways to achieve the same result with less capital outlay and less maintenance. New system installs have sometimes been put on hold and maintenance schedules squeezed, leaving many businesses with...

From temperate climates that reach mid-90 F in June and mild winters allowing people to be outdoors without jackets to the “May flowers” that bloom in early March, it’s evident that society is experiencing World Refrigeration Day’s 2024 theme: “Temperature matters.” In addition to driving climate change, global warming is driving changes in how people live and how industries adapt and innovate to support new dynamics. This is especially true for the HVACR Indu...

Advanced heating, ventilation, air-conditioning, and refrigeration (HVACR) systems have always been essential to healthcare. However, the need for clean, fresh air at the right temperature and humidity within clinical settings has never been made clearer during the COVID-19 pandemic. It illustrated the importance of effective HVACR systems in healthcare due to their ability to improve air quality, patient outcomes, and infection control measures.  The need for change  Many current...

By now, most of the HVACR industry is familiar with the HFC phasedown portion of the U.S. EPA American Innovation and Manufacturing (AIM) Act that was signed in 2020 and finalized in 2021. The first phasedowns started Jan. 1, 2020, with a 10% reduction in HFC refrigerant production, importation, and consumption, and was followed by an additional 30% reduction that began Jan. 1, 2024. As these regulations work to achieve a total 85% HFC phasedown from historic baseline levels by 2036, Tech...

Refrigerant transitions are imperative to comply with evolving emissions regulations and decarbonization agendas. The dynamic landscape necessitates continual adaptation to meet current requirements, with further changes anticipated. However, switching refrigerants poses numerous HVAC/R system design hurdles, affecting system performance and component selection. Energy efficiency standards Energy efficiency standards are a paramount concern, driving innovation towards systems that perform we...

I remember Dr. Dave Bowman from Kubrick's "2001: A Space Odyssey" commanding HAL 9000 to open the pod bay doors, and HAL chillingly responds, "I'm sorry, Dave. I'm afraid I can't do that." Fortunately, unlike the fictional HAL," ChatGPT and other GenAI tools remain compliant and helpful, far from refusing commands or leaving us stranded in space. In the rapidly evolving landscape of technology, artificial intelligence (AI) should play a pivotal role in transforming various aspects of our dai...

Hydrofluoroolefin (HFO) and so-called “natural” refrigerants have coexisted for more than two decades, with each serving the specific needs of the HVACR industry. However, over the past several years, the proverbial aisle has formed, with pro-HFO voices on one side and “natural” advocates on the other. EU F-gas regulations The debate is getting more “ink” these days, partly due to advances in proposed EU F-gas regulations as well as the acceleration of glo...

Although the European Union is several steps ahead in the transition away from hydrofluorocarbon (HFC) refrigerants, members of the HVACR industry in other countries currently find themselves in a more urgent situation when it comes to stepping down HFCs and stepping up use of new-generation hydrofluoroolefin (HFO) refrigerants and emerging A2Ls. EPA’s AIM Act This is especially true in the U.S., where 2024 kicked off with an additional 30% reduction in HFC production and consumption un...

Peter Van Den Heede, Head of Sales and Marketing, Benelux, ABB Motion, explains how electrification systems are paving the way for sustainable urban landscapes.  As the fight against climate change intensifies, the European Union has set crystal clear targets on the path to Net Zero. If we are to meet the EU’s ambitious goals of a 55 percent reduction in greenhouse gas emissions by 2030, and complete climate neutrality by 2050, then we need to find ever-smarter ways to save energy.&n...

This time of year, a lot of planning is underway. Companies throughout the HVACR industry are mapping out the best path to maintain their current level of business, pursue growth while staying in their lane, or expand into a new area based on changing customer needs and industry opportunities. Whether you’re a small family-owned residential HVAC shop, a major player in commercial HVACR service or manufacturing, or anywhere in between, it’s helpful to be aware of the strong dynamics...

Nothing is immune to entropy. As buildings age, they suffer natural breakdowns in efficiency, performance, and useability, compromising occupant comfort and leading to higher energy bills. Luckily, they do not have to stay that way. Retro-commissioning brings existing structures up to speed so they can function their best.  What Is Commissioning?  Commissioning helps buildings operate as the owners intended and ensures staff maintains their equipment and systems. During new construct...

Circularity. Some may call it a “hot topic.” But in reality, the concept and practice of circularity is here to stay, indefinitely, for the simple reason that the sustainability of our planet depends on it. Whatever type of product you sell, “widget” you manufacture, or service you provide, achieving circularity, that is, putting practices in place so that materials remain in circulation and never become waste is finding its way onto the priority list of every business....

Using air conditioners and electric fans to stay cool accounts for nearly 20% of the total electricity used in buildings around the world, according to a report from the International Energy Agency. hybrid work model As a unique mix of key factors, such as the adoption of the hybrid work model and escalating heatwaves in certain regions of the United States keep people indoors for longer periods, this 20% share represents an increasingly costly line item on household budgets. Those within th...

According to some recent estimates, the cooling industry accounts for approximately 10% of global carbon dioxide (CO2) emissions. To place this in perspective, the transportation sector, as the highest contributor, accounts for approximately 20% of global CO2 emissions. While some may see this as a “glass half empty” scenario, the better approach is the one taken by key players in the HVACR space. As we see it, because the cooling industry has been a source of significant emis...

Most consumers choose an HVAC contractor based on their online reviews. Before making a final decision, potential customers actively look for what others have to say about your business, and having plenty of online positive reviews automatically positions you as a top pick. Reviews Reviews also help you rank higher in search results, and buyers are willing to pay more for brands with lots of strong reviews. So how do you get more of them? First, you have to create great customer experiences....

Today’s HVAC contractors are acutely aware that they need visibility on the internet and in their community if they want the phones to ring with requests for new business. As a result, HVAC company leaders have become savvy about marketing and advertising and know that search engine optimization, direct mail flyers, and flashy truck wraps attract attention. Public relations But what they don’t stop to think about is that their competitors likely have a very similar marketing strat...

You’re looking for ways to increase revenue for your HVAC business, and texting is one more tool you can add to your arsenal. 70% of people report that texting is the fastest way to reach them, and 99% of texts are read within just a few minutes. That kind of speed can help you secure more appointments, get paid faster, land more referrals, and boost sales in general. Scheduling service appointments So where do you begin? Below, we’ll show you five tactics your HVAC business can...

Any time you enter into an agreement with a business or partner, they may want to check that everything is shipshape. What Is a Certificate of Insurance? - If you own a business, chances are you have certificates of all kinds on your wall, whether they be your hard-earned college degree or the certification needed by your city to run your business. These certificates prove that you’ve passed your classes or have met the requirements set out by the city. A certificate of insurance is simil...

When your HVAC system isn't working correctly, it's often difficult to pinpoint the exact issue. Does your home have hot and cold spots? Do doors randomly close on their own? Is your A/C blowing warm air on a hot summer day? If so, your HVAC might have an uneven airflow. There are many symptoms of uneven airflow and many solutions. Amid the increasing demand for HVAC repair, homeowners need to learn how to keep their home system operating at its best. Understanding the potential causes of unev...

Each day we’re reading headlines about decarbonization ambitions for buildings while challenged with supporting day-to-day operational needs. Yet, we’re still tasked with delivering energy and cost reductions. Given the magnitude of energy consumption and the importance to occupant/tenant comfort, HVAC systems warrant significant attention. There are a lot of options with new equipment and controls to drive energy use down and enhance overall comfort that are very impactful, when bu...

Energy consumption continues to be one of the primary contributors to a building’s carbon emissions and its operational costs. Around 40% of this energy is used to power HVAC systems. To improve sustainability and reduce operating costs, it’s in a building owner’s best interest to find ways to make their building’s heating and cooling systems more efficient. Identifying areas that will make the biggest difference starts with knowing which systems consume the most energy...

Housing market dynamics, pressures on global supply chains, and the rising costs of materials and labor are a few of the trends that are impacting the HVAC industry. While COVID-19 restrictions may have been largely lifted throughout the U.S., many of these lingering trends can be traced back directly, or indirectly, to the pandemic. Jobber’s Home Service Economic Report: Record Growth Fuels Labor Shortage explores these trends and their true impact on home service businesses’ abili...

AI (Artificial Intelligence) is a smart buildings’ biggest ally. Without it, a building could hardly be classed as smart. For building owners and managers, AI is imperative to create a secure and comfortable experience for their occupants every day. What a building platform should do is gather data from various sources from the building management system and other smart technologies, to gather it all in one place. The data should then be fed into a flexible, scalable cloud-based platform...

Even though the COVID-19 pandemic is seemingly drawing to a close, living, working and learning at home is set to continue. Under this new normal, home electricity use is expected to double by 2050. Simultaneously, as climate change devastates communities around the world, we are faced with a moral and economic obligation to cut CO2 emissions from houses. Our goal is to build Net Zero houses and we can't get there fast enough. Fossil fuels use in heating systems Many countries continue to rely...

Seasonal transitions are the perfect time to take inventory and inspect a building’s various systems. We’ve been reminded for years that when we set our clocks back, we should also replace the batteries in our smoke detectors. The same thought process can be applied in support of seasonal preventative maintenance for a building’s HVAC system. Now that the cooling season has passed for a large part of the country, it is time to ensure that HVAC systems have been shut down prope...

I am writing this the day after the Autumn Spending Review, which among many measures, included a huge focus on how the Government wants to ‘level up the country’, creating a new post-pandemic economy, with higher wages and higher skills. Part of this is the £500 million ‘Multiply’ scheme, which aims to increase numeracy and basic mathematics for adults in the United Kingdom via in person tutoring, digital training and flexible courses. Lack of basic skills to acce...

The development of digital technologies in the Heating, Ventilation and Air Conditioning (HVAC) sector has been transformational for the industry, as well as for those who run HVAC systems. While the electrification and digitalization of machines, and assets has made a lot of operations simpler, it has also meant that the collection of machine data has never been more critical. Given that engineers can now view lots of different metrics on a single screen, including things like heating control...

With the increase in climate protests and UN reports highlighting future net-zero challenges, industries are trying to focus their business practices on principles of sustainable development and responsible investment. In the building sector specifically, landlords are gravitating towards certification schemes such as BREAM, LEED, and WELL (among others) to promote the sustainability of their assets and boost green credentials. Tenants are now demanding that the spaces they live and work in ar...

It is now more common to read about cases of Legionnaires’ disease in the media than ever before, with outbreaks regularly being reported in cities around the world, all the time. Many of these cases are attributed to contamination of domestic systems, showers and spas, but some are the result of operating cooling towers. While this problem is not new, with the first reported case in Philadelphia, in 1976, the United Kingdom (UK) has been at the forefront in leading the battle with Legionn...

We visit the doctor for yearly check-ups and take our vehicles to a mechanic for maintenance and oil changes. The same idea applies to an HVAC system. An HVAC system can run around 2,000 hours per year and is a building system that is constantly expending energy. Without preventative maintenance, it is much more likely that a building owner could be overlooking silent issues that could cause a system to break down long before it should. Preventative maintenance is catching on for a re...