HVAC Plumbing - Editor's Note
It takes a proliferation of data centers to serve the growing computing needs of the Internet, and all those servers churning away create plenty of heat. Might some of that heat be harnessed and used for residential or commercial heating? The emergence of district heating systems, which provide thermal energy to multiple buildings from a single source, demonstrates the approach has broad possibilities. Air-cooled chillers and air-handling units used to cool data centers are like the technologi...
Recently, nine states pledged to accelerate the transition to clean buildings in their states, including a goal of deploying heat pumps to make up 65% of residential heating, cooling, and water heating by 2030. California, Colorado, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, and Rhode Island signed a memorandum of understanding in February outlining their collective efforts to accelerate the deployment of clean technologies such as heat pumps in new and existing homes. ...
The flammability of the new class of low-GWP refrigerants is a source of misunderstanding and unnecessary anxiety among contractors who will be working with the newer materials, which must be used by HVAC equipment manufactured beginning Jan. 1, 2025. A2L refrigerants The newer A2L refrigerants, specifically R-454B, perform similarly to previously used materials such as R-410A, and flammability is so mild as to be almost negligible. What’s needed is more education to make co...
An expansive construction boom is underway in Saudi Arabia, amplified by the Saudi Vision 2030 initiative promoting global engagement, enhanced quality of life, and economic diversification beyond petroleum. Mega-projects pioneering the way include The Line, a linear smart city that is only 200 meters (220 yards) wide, towers 500 meters (550 yards) above sea level, and stretches 170 kilometers (105 miles) from the Neom 26,500-square-kilometer (10,200 sq. miles) urban area across desert valleys...
The idea of Energy as a Service involves shifting the traditional business model from selling energy as a commodity to providing a comprehensive package of goods and services to address a customer’s energy use and management. Rather than selling energy, the approach encompasses complete stewardship of a company’s energy needs in exchange for a monthly fee. Because 40% or so of a company’s typical energy needs are related to heating and cooling systems, implementing Energy as...
AHR Expo 2024 was abuzz with activity, befitting a dynamic industry in the throes of change. Industry developments such as electrification and the refrigerant transition render business opportunities on the AHR Expo show floor, where exhibitors display a determination to meet the challenges and thrive in the process. Walking from booth to booth during the three-day show in Chicago, I saw the best the HVAC industry has to offer, up close and personal. Innovation and adaptability are the w...
Businesses in the HVAC market were high-profile participants at the COP28 conference in Dubai. Several big HVAC companies had a presence at the conference, and the industry’s technologies are an important tool to achieve the conference’s stated climate goal of net-zero global greenhouse gas emissions by 2050. COP28 The Conference of Parties of the United National Framework Convention on Climate Change (COP28) took place Nov. 30-Dec. 12 in Dubai. Some 35,000 people were involved in...
The transition away from hydrofluorocarbons (HFCs) as refrigerants for HVAC systems is well underway, and the process is accelerating. A 10% reduction in HFC production was mandated last year, and an additional 30% reduction is pending in January 2024. Meanwhile, a January 2025 deadline looms for the elimination of the manufacture of HVAC equipment that uses refrigerants with high potential for global warming (GWP). impact of regulatory shifts The production step-downs ensure a co...
President Biden’s plan to switch from burning fossil fuels to a reliance on more renewable sources, such as wind, solar, and geothermal, could bring the grid to 100% clean electricity (zero net greenhouse gas emissions) by 2035 and put the United States on a path to economywide, net-zero emissions by 2050. In the built space, this includes replacing traditional, fossil fuel-burning sources of space and water heat with electrically powered alternatives, namely, high-efficiency heat p...
Esthetics have historically not been a primary consideration when it comes to HVAC vents and grilles. Rather, HVAC vents have been typically concerned with performance and ease of production, manufactured from stamped metal or extruded. “There have been limited efforts to make HVAC components that are also interior design elements,” says Mark Mascarello, Head of Design and Production of InviAir. It’s a missed opportunity. “I’m not an interior designer, but I feel...
Rising material prices and inflation, in general, are likely to continue to plague companies in trade services businesses, according to a new survey conducted by the business management software platform Simpro. In the survey, 20% of owners, CEOs, and business managers in trade service businesses say they are more likely to face inflation concerns this year. staff retention Another big concern across all trade service businesses is staff retention. Even higher percentages of survey responden...
The steps toward building decarbonization will accelerate organizations’ net-zero journey. Taking steps will also reduce operational costs and deliver better indoor environments. Improvements in heat pumps and digital solutions have enabled these opportunities and, as they continue to advance, deeper and deeper building decarbonization will become achievable. Optimal solutions Mark Lessans, Senior Director of Sustainability and Regulatory Affairs, Johnson Controls, for insights into how...
Data centers have been around as long as the Internet, although the introduction of the iPhone in 2007 significantly increased the demand for data centers. When the COVID pandemic required more people to work from home, the impact was to push digital demand to even higher levels. In short, as of 2023, it is a challenge to build data centers fast enough. environmental aspects Thousands of computer servers operating in a data center give off a lot of heat, so cooling is a critical need. A typi...
The 486,805 square feet of exhibit space at AHR Expo 2023 in Atlanta provided clear evidence of how technology innovation in HVAC has accelerated in the last decade. Change and progress were everywhere among the 1,779 exhibitors, including 425 international exhibits. HVAC systems on display New electronic tools, cloud-based solutions, higher efficiency ratings, mini-split systems, new regulations, and new control strategies are driving product development enabling HVAC systems to deliver new s...
From supply chain challenges to decarbonization, from data analytics to maintenance programs, the themes that ranked highest among visitors to HVACinformed.com in 2022 reflected the dominant topics of conversation throughout the industry. As demonstrated by the most-read articles on the site, technology trends and regulatory issues all converged and had a profound impact on the industry in 2022. Timely and important issues in the HVAC marketplace dominate HVACinformed.com‘s list of most-c...
The HVAC market is at an inflection point, in the throes of switching refrigerants to meet regulatory goals, improving energy efficiency to meet more stringent standards, and struggling with supply chain issues. What the industry needs is a new technology at the nexus of environmental issues and energy conservation, enabling the drive away from fossil fuels and toward zero-carbon emissions. Blue Frontier is working to bring such a system to market with a core air conditioning/energy storage tec...
California is moving to ban the sale of natural gas furnaces, heaters and water heaters by 2030. It is the first US state to make the move, in order to meet federal ozone standards. In addition to California’s previous efforts to eliminate installation of gas-fueled equipment in new buildings, the new regulation will address the use of gas space heaters and water heaters in existing residential buildings. When it comes time to replace them, building owners will be required to transition...
New tax credits and rebates are poised to infuse billions of dollars into the HVAC marketplace in the United States, making a variety of high-efficiency technologies more affordable for consumers and generating additional revenue in the HVAC market for years to come. clean energy investments A new law provides Americans with access to $370 billion for clean energy investments in the form of tax credits, incentives, and rebates to improve energy efficiency. There is also a tax deduction for own...
HVAC systems account for around 46% of the average U.S. home’s energy consumption. As big users of electricity, air conditioning (AC) systems this summer face continuing concerns about an adequate supply of electricity and the reliability of the U.S. electrical grid. According to a report from the North American Electric Reliability Corporation (NERC), large parts of the country are at either ‘high’ or ‘elevated’ risk of electricity shortfalls this summer. Notably,...
Among the requirements of the American Innovation and Manufacturing (AIM) Act of 2020 is a ban on disposable, single-use cylinder tanks used to transport refrigerants through the supply chain to an HVAC installer. A final rule posted by the Environmental Protection Agency (EPA) on October 5, 2021, will prohibit the use of disposable cylinders in the next several years. HVAC installers use the disposable cylinders every day to transport hydrofluorocarbon (HFC) refrigerants including R32...
Demand for HVAC services spiked during the coronavirus (COVID-19) pandemic. Low interest rates, government stimulus checks and a greater emphasis on home improvement (because more people were spending time at home) drove new business for HVAC companies. However, labor shortages limited companies’ ability to meet the demand. In some cases, money was left on the table. There was another impact of the pandemic on industry labor trends: HVAC contractors kept working, even when much of the eco...
Some 38% of greenhouse gas emissions emanate from residential housing, specifically heating and cooling systems. Given the goal of ‘net-zero’ carbon emissions by 2050, new approaches have emerged to achieve that target. Some of the solutions currently being evaluated include the use of hydrogen as a replacement fuel, to store electricity from solar or wind power, or in fuel cells that use an electrochemical process combining hydrogen and oxygen to produce electrical energy and water....
Consumers associate warranties with peace of mind, which they should. In our hectic economic times, peace of mind is at a premium, so more customers than ever are willing to pay for it. Manufacturers’ warranties typically cover manufacturing defects for a period of 5 to 10 years. Customers, who complete a product registration with the manufacturer, including product serial number, model number, installation date, and other information, may be eligible for an enhanced or longer-term...
Gradient seeks to bring the benefits of mini-split systems - variable speed drive, efficient operation, heat pump heating - to a wider audience, by simplifying the installation process. Gradient offers a design that is installed in a window, but it has more similarities to mini-split systems than to a window air conditioner. simple installation The system is designed for simple installation by a layman – it generally takes about 15 minutes. Using heat pump technology, Gradient has the e...
Climatech of Professional Air in Pensacola, Florida, USA, is known for putting HVAC customers first by providing first-class service and for doing what’s right, even when no one is looking. “We approach each customer like it’s our grandmother,” said Travis Thompson of Climatech of Professional Air, adding “We show all the options and we are fair with pricing. The open-book approach to options and our honest opinion is the best way. We sit and get to know the custome...
‘As a service’ is a familiar pattern in business today, especially in the technology arena. ‘Software as a Service’ is as common as Microsoft Office 365 and companies have been providing services, such as telephony and internet access for decades. But, how can the model be applied to the HVAC market? It’s not a common approach today, but the benefits of applying ‘As a service’ to HVAC are many – for customers and for equipment and service provider...
With a required 15% increase in seasonal efficiency looming in 2023, original equipment manufacturers (OEMs) are being challenged to design HVAC rooftop units (RTUs) that both meet the immediate efficiency requirements and also set the stage for a refrigerant transition in 2025 and beyond. Meeting the challenges requires that new hardware designs be more than ‘a little bit better’; rather, complete shifts in technology are called for. Insights on the changing technologies and regulat...
Rooftop units (RTUs) withstand a lion’s share of the burden, when it comes to heating and cooling commercial buildings, and they also represent a big portion of a building’s impact on global warming. Traditional low-tech approaches to controlling RTUs have failed to address global warming concerns, and these units, operating independently, may not even deliver sufficiently on the climate demands of a building. Intelligent approach to managing energy demand Providing an intelligent...
AHR Expo was back in a big way for 2022, reflecting a dynamic industry that not only survived the pandemic but has found new ways to thrive. Technical developments on display in Las Vegas spanned traditional product categories, which continued to display new levels of innovation in a mature market. Also reflecting progress were new digital offerings that increase control and efficiency of HVAC products and link them to the expanding world of data. Omar Tabba, the Chief Product Officer at...
A new installation is using natural heat from groundwater to regulate the indoor climate of The Glen Mhor Hotel in Scotland. The groundwater is further heated by two electric heat pumps and distributed to guest rooms and apartments through a small heating district network. From the system, which is slated for completion this spring, the water will return to the sand and gravel layers in shallow ground around Inverness, and eventually back to the River Ness. The design, which replaces 20 gas-fir...
