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 watchwords as the industry journeys into 2024 and beyond.
Refrigerant Transition Top of Mind
Patented R-454B refrigerant enables a simpler transition without redesigning equipment
The technology transition is well underway for OEMs seeking to meet a pending AIM Act deadline at the end of the year. OEMs are choosing to embrace either R-32 or R454-B refrigerant to replace legacy R-410A, which is being phased out.
Patented R-454B refrigerant enables a simpler transition without redesigning equipment, while R-32 offers advantages such as higher capacity, higher efficiency, and easier cradle-to-cradle management.
Arkema
Arkema is the only producer of R-32 refrigerant in the United States. The newer refrigerant is being embraced as HVAC OEMs seek to meet the deadline of Jan. 1, 2025, to use lower-GWP (global warming potential) refrigerants in their products.
The technology transition is just part of the AIM Act implementation that will also limit allocation and require refrigerant management.
Chemours
Chemours is a manufacturer of R-454A, R-454B, and R-454C refrigerants. At AHR, they presented hourly education sessions on a variety of subjects. The refrigerant transition will impact everyone in the industry, including refrigerant producers, equipment manufacturers, contractors, and end users.
R-454B refrigerant provides identical performance in HVAC systems compared to the previous refrigerant (R-410A). There is less need to redesign equipment; just adding sensors for leak mitigation can address the mild flammability of A2L refrigerants. Because of the 2025 deadline, 2024 will be the “year of new products” in the HVAC market.
OEMs pioneering Innovation
Carrier and others are offering smaller footprints, seeking to meet environmental targets
Innovation in the HVAC market is led by companies such as Carrier, which has introduced 100 new products each year for the past eight years. Carrier and others are offering smaller footprints, seeking to meet environmental targets, and providing flexibility for customers.
New products include the AquaSnap 30RC air-cooled chiller and the AquaEdge 19MV chiller with low GWP refrigerant to meet pending regulatory requirements.
Copeland
Copeland, recently divested from Emerson, also emphasizes innovation, including 12 research and development (R&D) facilities, 1,700 engineers, and more than 3,000 patents.
At a press conference at AHR Expo, the 100-year-old company announced it is a “new” company owned by Blackstone Private Equity.
- Products featured
Among the featured products at AHR are Copeland’s oil-free centrifugal compressor with Aero-lift bearing technology; and Copeland’s CC200 case controller, specifically designed to handle the unique challenges of the current retail grocery refrigeration environments.
Copeland also pledges to play a role in educating the market about new trends and the transition to new refrigerants.
Emphasizing a Smaller Footprint
Trailblazer AGZ-F is an R-32 air-cooled scroll chiller that delivers 10% greater capacity and efficiency
Daikin
Daikin highlights the Atmosphera, a single-zone ductless split system (using R-32) that can reduce carbon emissions by 80% (compared to R-410A). Also, Trailblazer AGZ-F is an R-32 air-cooled scroll chiller that delivers 10% greater capacity and efficiency. Products emphasize a smaller footprint and less weight than their predecessors.
Rebel Applied is a packaged rooftop unit that continually adjusts operation to address the building load, consuming less energy. Trailblazer HP is an air-to-water heat pump chiller with a reversing function that allows the product to switch between cooling and heating based on temperature requirements.
Friedrich Air Conditioning
Friedrich Air Conditioning features the Breeze universally flexible inverter heat pump, a ducted mini-split for upgrading traditional equipment. It works with any furnace or air handler, has side discharge, is 40% smaller, and is cold weather capable to minus 13.
Friedrich's new Vert-I-Pak is a line of M1-compliant single package Vertical Heat Pumps (available in 9K, 12K, 18K, and 24K Btu), supporting decarbonization efforts with heat pump operation down to 10°F.
High Efficiency for Commercial and Residential
Johnson Controls
Johnson Controls exhibits their highly efficient residential and commercial HVAC solutions designed for Department of Energy (DOE) 2023 compliance and helping customers achieve Net Zero goals through decarbonization.
On display was the York High-Efficiency 18 SEER2 Side-Discharge Heat Pump with up to 30% smaller footprint than vertical-discharge equipment. Johnson Controls-Hitachi Air Conditioning's Aircore 700 single split system is aimed at light commercial and residential.
Midea
Their 3-ton model achieved 118% of rated capacity heating output at minus 15 degrees Fahrenheit
Midea, known for selling consumer products, has kept a low profile in the professional sector, selling products that are either OEMed for Carrier or private-labeled by a contractor company.
Seeking to promote the Midea brand, the Chinese company is staking its claim on the trade market with an emphasis on performance: The company exceeded performance in the Department of Energy’s “ColdClimate Heat Pump Challenge:” Their 3-ton model achieved 118% of rated capacity heating output at minus 15 degrees Fahrenheit.
- Heat pump awareness
Results of a survey conducted by Midea show that more than half of homeowners are not fully aware of heat pumps and their function.
Awareness lags among contractors, too: 70% of contractors indicate they do not know that the current’s advanced heat pumps can generate 100% heat output to a minimum temperature of minus 4 F.
Wide Selection of New Products
Mitsubishi Electric Trane HVAC US
Mitsubishi Electric Trane HVAC US emphasizes all-electric heat pump solutions. The Deluxe Wall-mounted H2i sumo System connects with an outdoor unit, and the intelli-HEAT dual fuel system can determine the best source of heat – electric or gas – on cold days.
Among commercial products, Heat2OHeat Pump Water Heaters are designed to produce high-volume domestic hot water for commercial facilities in any climate.
LG Electronics
LG Electronics’ booth includes a wide product range, including advanced heating, ventilating, air conditioning
LG Electronics’ booth includes a wide product range, including advanced heating, ventilating, air conditioning, and building management solutions for residential and commercial applications.
Home electrification products include the LG R32 Air-to-Water Heat Pump Monobloc system; the LG Inverter Heat Pump Water Heater the LG Electronics Home 8 Energy Storage System, and ThinQ, LG’s mobile app.
- LG Art Cool Gallery multi-zone wall-mount indoor unit
The LG Art Cool Gallery multi-zone wall-mount indoor unit features a customizable picture frame that doubles as a cooling and heating vent. Also, LG’s Medium and High-Temperature Hydro Kit Systems use a refrigerant-to-water heat exchanger to produce chilled or heated water.
LG’s Split Compact M3 DOAS with Multi V S is suited to light commercial use where single-phase power is available and as an HVAC solution for outdoor air treatment.
Easier Access for Technicians
Rheem Manufacturing
New equipment at the Rheem Manufacturing booth at AHR Expo includes true multi-zone operation, smaller footprints, lighter weights, and components that are positioned for easy access by technicians.
An LED in the control cabinet displays a fault code that identifies the problem to service technicians. The Resolute and Renaissance lines are commercially packaged heat pump units. The company is emphasizing the transition from R-410A to R-454B refrigerant by the end of 2024.
Aeroseal
Whether a new install or a retrofit, the product saves energy, saves money, and keeps customers compliant
Aeroseal seals ducts by spraying a vinyl acetate polymer substance to increase HVAC efficiency.
Whether a new install or a retrofit, the product saves energy, saves money, and keeps customers compliant, and a 30% tax deduction is available through the U.S. Inflation Reduction Act (IRA).
Airzone
Airzone is a Spanish company that controls inverters and VRFs (variable refrigerant flow units).
Their communication gateway controller incorporates protocols from various manufacturers, and the Easyzone is an easy-to-install zoning system.
Infinitum
Infinitum manufactures a motor system that leverages a printed circuit board as a stator, making the motor system lighter weight and also smaller, quieter, and more efficient. The Aircore EC uses a standard printed circuit board manufacturing process to eliminate bearings.
The component is used in blowers by OEMs Lau, Acme, Canarm, and Peerless, whose products are displayed at the booth.
Bell & Gossett
Bell & Gossett debuts its line of smart, connected products designed to improve sustainability
Bell & Gossett, a Xylem brand, debuts its line of smart, connected products designed to improve the sustainability of commercial buildings and reduce complexity in the design process.
Combining pumps and smart motors are the e-1510 end-suction pump, e-80 vertical in-line pump, and TECHNOFORCE e-HV packaged booster system.
NIBCO
Simplifying the job of an HVAC installer is the PressACR copper press connection system from NIBCO, which connects copper pipes without brazing, which involves soldering and high temperatures, thus a fire hazard.
The patent-pending groove design and crimp pattern support the higher-pressure requirement of an HVACR system. Pipes are pressed together using PressACR jaws and adapter jaws in a variety of sizes. NIBCO also displayed its Webstone brand of residential and commercial valves.
Control Products Provide Data
Resideo
Resideo displayed home system products, including the Honeywell Home T10+ thermostat with RedLINK 3.0; sensors enable temperature balancing for hot and cold spots.
Pro-IQ Services provides software tools designed for the connected home, including insights on heating, cooling, water, and indoor air quality devices to help contractors track customers. Professional-grade water damage prevention, the First Alert L2 WiFi Water Sensor and Switch provide alarms if there is a water leak.
Schneider Electric
The EcoStruxure Building Operation system is open system software for building and facility management
Schneider Electric seeks to be “digital partners for our customers,” working with Fortune 500 companies seeking to achieve ESG (environment, social and corporate governance) goals. They help customers establish where they are currently vis-à-vis their goals and then deploy science-based key performance indicators (KPIs) to direct them to where they want to be.
The EcoStruxure Building Operation system is open system software for building and facility management, including two products for the small and medium building (SMB) market.
- Energy measurement
Schneider measures energy usage through power meters, indoor air quality, and energy spent to achieve efficiency, compiling data according to what the customer wants to achieve.
They sell through a national sales team, direct branch business (20 branches), and 200 system integrators (EcoXperts). Their customers include QSR (quick-service restaurant chains) that control climate centrally with data compiled in the cloud.
Siemens
Siemens displays solutions for smart, adaptable buildings for a sustainable tomorrow, including the Building X system and the Sustainability Manager application, providing an understanding of a building’s performance and tracking it against sustainability and compliance targets.
The Building X Lifecycle Twin tracks operational building performance via a “digital twin,” providing an augmented reality (AR) headset through which one can view equipment with information superimposed on the screen.
Uponor
Uponor seeks to leverage the capital cost of heating systems to deliver heating and hot water. They make pipes and connectors and other technologies, including the AuqaPort, which improves water quality and energy savings in domestic hot water (DHW) applications.
They seek to future-proof buildings by combining energy efficiency and comfort. Water recirculates and provides hot water on demand using 40% less piping. A “radiant roll-out mat” is preconfigured piping that can be rolled out to simplify installation.
