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The Beneficial Properties of Small Diameter Copper Tube for Heat Exchangers

Manufacturers are designing a new generation of heat exchangers with more advantages over present designs.




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Hydraulic Institute Unveils 2 Training Programs

The Hydraulic Institute's new on-demand courses are designed to support the pump and fluid-handling industry with workforce development and onboarding resources.




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Proper HVAC Setup Lowers Energy Costs for Marijuana Producers

The legal cannabis market continues to represent the dot-com era. Plenty of opportunity remains.




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Project Files: Episode 42 — Amalie Arena IAQ Update

Pure Air Control Services recently completed an IAQ project that helped fans and hockey players at the Stanley Cup Playoffs breathe easy at Tampa Bay’s Amalie Arena.




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Improving Indoor Air Quality: Protecting the Air We Breathe

IAQ has become a very important topic as the COVID-19 global pandemic has continued to evolve.




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RBI Expands its Torus Line of Products

The full Torus line is now available in sizes ranging from 3,000 Btuh to 4 million Btuh, making the units ideal for a wide array of applications.




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Terravis Energy Testing New Heat Pump Prototype

Terravis executes detailed tests that monitor the heat pump's performance across 12 ambient temperature points, from 14°F to -31°F.




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Elevating HVAC Excellence: A Proactive Approach to Customer Relationships

The foundation of success for HVAC pros lies in establishing client relationships, recognizing that being the initial point of contact during times of need is paramount.




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HVACR Press Fittings Provide Ideal Solution for Data Centers

Data centers produce enormous amounts of heat and require intricate cooling systems to keep servers from overheating and running in good condition. For data centers located in regions such as South Florida that consistently experience high temperatures, efficient and well-functioning cooling systems are crucial.




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Closed-Cell Foam Duct Liner Resists Moisture Intrusion, Improves Indoor Air Quality

Among the various HVAC insulation options available, elastomeric closed-cell foam duct insulation (closed-cell foam) solutions stand out for providing safe, sustainable, high-performance thermal and acoustic insulation while resisting moisture and improving overall indoor air quality (IAQ).




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Midea Showcases Heat Pump Innovation at 2024 ENERGY STAR Products Partner Meeting

At a national gathering of energy efficiency leaders, Midea introduced its newest heat pump technologies and took part in important discussions on accelerating the adoption of sustainable HVAC solutions across the U.S.





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Infographic: A Look at Proper Humidity

IAQ-conscious homeowners might be interested to know how humidification can preserve not only their health but the health of their home, too.




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Dehumidification Plays a Crucial Role in Cannabis Crop Production

Grow rooms are a prominent example of the potential and the challenges of indoor agriculture.




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Dehumidifiers Provide a Solution to Residential, Commercial Indoor Air Quality Issues

Following are several of the latest dehumidification products on the market, representing residential and industrial applications alike.




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HVAC Products Designed for Indoor Agriculture Offer Precise Climate Control

The manufacturers of HVAC products for indoor farming say their equipment can help optimize growers’ crop yields.




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Carrier Enhances Ductless Lineup, Crossover Products

Carrier’s newest portfolio includes an entire lineup of ductless systems; the company is expanding offerings, incorporating new platforms and technologies, and integrating R-454B, Carrier’s refrigerant of choice.




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New METUS Product Monitors Commercial VRF Systems

The kenza cloud is a cloud-based platform for distributors, contractors, building owners, and facility managers who would benefit from remotely controlling, scheduling, and charting City Multi and M-Series systems’ data, along with getting off-site troubleshooting support.




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New Trane Commercial Products Focus on Decarbonization

Trane has issued new and updated commercial products that the company says will further building decarbonization efforts and comply with refrigerant regulations.




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Allied Air Prepares to Launch R-454B Products

Allied Air is set to launch an extensive range of equipment that uses the refrigerant R-454B, which has a GWP of 466, about 78% lower than that of R-410A.




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ACCA Opens Nominations for its 2025 Awards Program

ACCA's annual awards recognize outstanding achievements in the HVACR industry, and the program is widely recognized as a celebration of the best of the best.





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Project Files: Episode 50 — Synchronized Hydronic Loop Saves Towson Court House HVAC

When it began “raining” inside the Towson Court House, a leaky roof was assumed to be the culprit. But for the Maryland Department of General Services, the truth turned out to be much stranger.




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Tips for Improving Boiler Efficiency, Reducing Operating Costs, and Keeping Your Boiler Room Safe

As one of the larger contributors to a facility’s expenses, it is critical to incorporate preventative measures into regular maintenance and cleaning plans for boilers.




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Mestek Names Kevin O’Rourke VP of Sales, Wholesale Products

O’Rourke will continue to service accounts throughout North America, working in cooperation with Mestek’s network of sales representatives, wholesale distributor partners, and contractors.




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Historic Inn Wins Efficiency Award From Propane Council

Propane use at Ruby’s Inn has helped eliminate 5,200 metric tons of COequivalent. This is equal to the greenhouse gas emissions from 1,410 gasoline-powered passenger vehicles driven for one year.




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Project Files: Episode 65 — Zero-Emission Hydronic Heat at Brooklyn Brownstone

The home now has a 3.9 kW solar array that offsets nearly 100% of the System M and grid power supplied from the clean-sourced ConEd program — meaning that the house has zero emission heating, cooling, and hot water.




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Project Files: Episode 33 — Canneberges Bécancour

Canneberges Bécancour, one of the most productive cranberry farms in North America, wanted to develop a freezing facility to support a original 17,000-square-foot processing plant.




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Refrigeration Pilot Projects Show 50% Energy Savings

Refrigerated Solutions Group and Budderfly announced the results of energy efficiency pilot projects across two Subway restaurant locations using RSG’s Capsule Pak ECO™.




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Repealing Energy Efficiency Program Means Lost Jobs, Higher Electric Bills for Indiana

The EERS required Indiana’s electric utilities to cut energy delivery by an average of 2 percent annually, as well as providing home energy assessments, low-income weatherization, and efficiency rebates for businesses, homeowners, and schools. In 2014, Indiana legislature passed SEA 340 to cancel the EERS. Then Gov. Mike Pence did not veto or sign the bill, so it became law, and Indiana became the first state to repeal its energy efficiency standard.




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Malco Products Brings Manufacturing to Former VISE-GRIP Nebraska Factory

Seven of the new full-time employees hired to start up operations previously worked at the VISE-GRIP factory. Malco plans to add jobs as production increases.




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New Refrigeration Compressor Design Offers Improved Efficiency

A compressor design proposes a new drive mechanism for compressors used for cooling in homes, buildings, airplanes, and cars.




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Oil-Coated Evaporator Tubes Can Cause Problems

Little by little, a compressor’s lubricating oil will eventually escape the compressor’s crankcase and enter the system’s tubing.




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Oil Traps Protect the Compressor

Even though the circulated refrigerant is the working fluid required for cooling, lubricant or oil is needed for lubrication of the compressor’s moving mechanical parts.




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Seven Things to Check to Ensure Proper Compressor Function

There are a few different things HVAC contractors can check to ensure proper compressor function. This article highlights seven of them.




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Promoting Ecology and Sustainability in HVAC

There has been debate on the transition from traditional a/c units to the smaller ones, or to find other worthy alternatives.




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NTI Launches Trades Immersion Program

The National Technical Institute's Regional Immersion Program is an opportunity for contractors to overcome recruitment hurdles and secure qualified entry-level workers, and for those with an interest in HVAC, plumbing, or electrical work to get fundamental training.




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Online HVACR Training Program Now Offered in Spanish

Providing accessible and effective virtual HVACR education in Spanish is a significant step toward meeting the growing demand for skilled technicians, HVACRedu.net said.




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Johnson Controls Offers New Training Programs, Resources

Ducted Systems Academy programs feature a combination of hands-on experiences, virtual resources, on-demand courses, and in-person courses at the state-of-the art academy in Oklahoma City, Oklahoma.




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EPA Proposes Rule to Mitigate Worries About Unsold VRF Inventory

The EPA has proposed a one-year extension for VRF systems using high-GWP HFCs.




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Trade Groups Report Productive Meetings with Washington Lawmakers

The AHRI’s 2024 Policy Symposium brought more than 200 members, along with AHRI staffers and others in HVAC, to Washington for the lobbying effort, plus panel discussions, keynote speeches, and networking.




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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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Wisconsin Launches First IRA Home Energy Rebate Program

Wisconsin just became the first state in the nation to launch the Home Efficiency (HOMES) portion of the IRA's rebate program.




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Loophole May Undercut Biden Proposal to Protect Workers From Heat

As extreme heat becomes more common, more of a spotlight is being put on worker safety, and a new app may be able to help.




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Regal Beloit Highlights FER Compliance With New Products

Regal Beloit Corp. has become an expert in FER compliance by redesigning its products to meet the new standards, including the Genteq® Ensite® motor, DEC Star® blower assemblies, and a new electronically commutated motor (ECM) to provide FER compliance for entry-level fans. These products were on display at the 2019 AHR Expo.




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Carrier, Orca Energy Team to Provide Financing for Geothermal Systems

A new, national program from Carrier and Orca Energy, a leading geothermal utility provider, is designed to makes geothermal heating and cooling more accessible in new construction homes. Orca Energy will provide financing for geothermal earth loops in new residential developments with the purchase of a Carrier geothermal system.




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PulteGroup Completes Construction of Zero Net Energy Home Prototype

PulteGroup Inc. announced it has completed construction of its zero net energy (ZNE) home prototype in Northern California. The new Pulte home, which is designed to generate as much energy as it uses, will be monitored for 12 months to evaluate its performance and identify opportunities for future enhancements.




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Hunter Industrial Donates Fans to Organ Transplant Non-Profit

Hunter Industrial, a division of the Hunter Fan Company, has donated and installed two HVLS fans to DCI Logistics.




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Cloud Connected Product Gives Homeowners Indoor Air Quality Peace of Mind

At the 2020 AHR Expo, Broan-NuTone introduced Overture, a fully automated, cloud-connected, whole-home IAQ system that monitors and optimizes air in the home.




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Identifying and Solving Insufficient Evaporator Heat Loading Problems

Frost on an evaporator coil will prevent the correct amount of airflow across the coil. Anytime the evaporator coil experiences reduced airflow across its face, there will be a reduced heat load on the coil.




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Efficiency, Comfort Propel the Condensing Unit Market Forward

Thanks to the prevalent use of online search engines like Google, consumers everywhere are becoming more educated on the products they buy, and HVAC systems are no exception.




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Follow These Three Vital Steps to Properly Resize a Duct System

In order to understand the foundational principles of duct sizing, a thorough study of ACCA Manual D is a great place to start.