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Department of Energy Seeks to Cut Cost of Enhanced Geothermal Systems

The DOE aims to build upon current Enhanced Geothermal Shots by accelerating research, development, and demonstrations within enhanced geothermal systems, to tap into and better understand resources while significantly reducing the cost of EGS.




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Michigan Launches Efficiency Rebates Pilot Programs

Michigan’s share of the federal Home Efficiency Rebates funding totals nearly $211 million.




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WaterFurnace: High-Efficiency Geothermal Heat Pump

WaterFurnace has launched the 7 Series, which the company said represents breakthroughs in energy efficiency, integrated technologies, communication capabilities, and comfort.




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Rotobrush: Insulation Blowing Machine

RotoStorm™ II has the ability to output up to 1,350 pounds per hour of insulation. Along with its many features the RotoStorm II can utilize various types of insulation including cellulose, fiberglass or other types of wool insulation. 




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2J Supply Company: Geothermal Heat Pump

The Bosch Greensource CDi geothermal heat pump comes equipped with innovative technology that only Bosch can provide including: 10 year limited warranty on parts and labor; fiber-free, closed-cell insulation to help keep the system’s high efficiency and improve IAQ; and more.




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Air-Tro Voted Best HVAC Company in San Gabriel Valley for 5th Straight Year

Bob Helbing, president of Air-Tro Inc., announced that his air conditioning and heating company won the San Gabriel Valley Readers Choice Award for the fifth year in a row. Air-Tro was voted the best heating and cooling company in the region.




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A&B Properties, Carbon Lighthouse Launch Energy Efficiency Pilot Program

A&B Properties Inc. (ABP), a wholly owned subsidiary of Alexander & Baldwin Inc., has partnered with Carbon Lighthouse, an energy services company, to implement a two-month pilot to identify energy efficiency initiatives for its commercial assets in Hawaii.




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Indoor Air Quality a Hot Topic at NADCA Conference

The National Air Duct Cleaners Association recently drew more than 500 people to a resort near Denver for its annual meeting and exposition.




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Make Sure the TXV Remote Bulb Is Properly Placed

This article will explore the remote bulb and its proper placement on a system’s suction line.




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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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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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Will Humidification Stay ‘Hot’?

Whether it be a single-family household, school, or even a grocery store, all of those spaces need clean, high-quality air — which humidification plays a role in.




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Hot New Cooling Technologies

The decarbonization trend has spurred the development of new cooling equipment technologies that often use humidity control to increase efficiency and reduce emissions.




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Tourists Are Demanding Cleaner Air, So What Can the HVAC Industry Do To Help Hotels?

More and more travelers are ranking air quality as an important factor when deciding where to stay — here’s how the HVAC industry can help tip the scales for hotels.




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Trane Charlotte Plant Marks Workplace Safety Milestone

Trane Charlotte employees achieved 3 million work hours, or approximately ten years, without a workday lost due to a work-related injury or illness.




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Bosch Thermotechnology Rebrands as Bosch Home Comfort Group

The rebranding from Bosch Thermotechnology to Bosch Home Comfort Group reflects the company’s innovative product portfolio and commitment to electrification.




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Pivoting to More Efficient Energy Sources for District Heating

Advanced electrode boilers are being installed to replace outdated, inefficient fuel-burning equipment in district heating applications as part of a broader effort to meet ambitious International Energy Agency decarbonization goals.




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Troubleshooting Puzzle: A Follow-Up on a Refrigeration System Repair

In this month’s troubleshooting situation, you are responding to a customer’s complaint that their walk-in cooler “isn’t cooling enough.”




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Troubleshooting Puzzle: A Walk-in Freezer That’s not Performing

In this month’s troubleshooting situation, you are responding to a restaurant manager’s call for service, and the equipment is a walk-in freezer.




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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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Troubleshooting Electronic Temperature Controls

Repairing reach-in coolers and freezers with electronic temperature controllers can be challenging at times.




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HVAC Q&A Episode 2: Motivating HVAC Contractors To Do More Refrigerant Recovery

How do we motivate HVAC contractors to do more refrigerant recovery? The ACHR NEWS posed the question to three industry experts on the front lines of the refrigerant transition. Here’s what they had to say about what that will take — and what we’re all going to be in for if we don’t.




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Uponor Named Minnesota Manufacturer of the Year

Uponor North America (Uponor) has been named the 2018 Minnesota Manufacturer of the Year in the large-company category by the Manufacturers Alliance. This is the first time in the association’s history they have honored a company twice.




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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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The Art of Troubleshooting Compressors

Comprehensive troubleshooting can help technicians determine whether the compressor is working properly.




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Troubleshooting Potential Relays

If a potential relay is malfunctioning, the compressor motor is in danger of not starting, stalling, locking rotor, or even burning out. That is why technicians should understand how to troubleshoot potential relays.




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Troubleshooting Worn Rings and Leaky Valves

Learning how to troubleshoot a system that is experiencing leaky valves or worn rings can be challenging, so technicians need to take careful measurements in order to isolate the problem.




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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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How to Safely and Accurately Replace a Condenser Fan Motor

How to safely wire the motors, what to know about the wire colors, and more.




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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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New York’s Got IRA Funds. What’s That Mean for Heat Pumps?

The IRA is driving heat pump sales in New York, and there are a few things lessons contractors in other states can learn from the success.




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Apples to Apples: AHRI Talks Motors and Drives Certification

For HVAC pros interested in motors and drives, Tuesday afternoon at this year’s AHR Expo in Atlanta featured a good chance to give the feet a rest and focus on the mind for a while. Air-Conditioning, Heating and Refrigeration Institute (AHRI) presented a three-phase session called VFDs: Method of Laboratory Test and a Case Study.




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Regal Beloit Corp.: Replacement ECM Motor

This electronically commutated motor (ECM) is an efficient, pre-programmed, dual-voltage, dual-rotation motor.




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Why Actuators for Connected Industry Run on Brushless DC Motors

The flow control industry has stubbornly clung to pneumatic actuators, specifically in the American market, for decades.




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Motors, Drives Open Door to Thorough Indoor Air Quality

With the recent surge of interest in IAQ options, consumers might easily forget that those components must still work within a system.




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Which Should Be Replaced: The Blower Motor or the Entire System?

The question of replacing a blower versus an entire system – versus the chance something else is the real culprit – remains a case-by-case challenge.




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Variable Speed Technology is Trending in Tomorrow’s Motors

Here is the trending technology that three motor manufacturers are saying will improve the future of motors in HVAC.




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ABB Acquires Siemens’ Low-Voltage NEMA Motor Business

The business employs around 600 people and generated revenues of approximately $63 million in 2021.




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Comparing and Contrasting PSC, ECM 2.3, and X13 HVACR Motors

PSC motors can be referred to as constant speed motors; X13 ECMs can be referred to as constant torque motors; and ECM 2.3 variable-speed motors can be referred to as constant airflow motors.




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Artificial Intelligence Smooths Exchanges Between HVAC Contractors and Customers

The AI features in communications software, such as voice-to-text and message-flagging, have made for faster, easier customer-contractor communications that are also more personalized and have less room for misunderstanding.




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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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Economist Says HVAC Contractors Will Grow Their Bottom Lines in 2018

SAN ANTONIO — For years, one of the highlights of the Mechanical Contractors Association of America’s (MCAA’s) Annual Convention has been the economic forecast offered by Brian Beaulieu, CEO of ITR Economics in Manchester, New Hampshire.




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Aprilaire Publishes Humidifier Performance Guidelines for ECM Motors

Beginning July 3, 2019, the Department of Energy is requiring a maximum fan energy rating (FER) for furnace fans.




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Motor, Drive Selection Key to Future HVAC Fan Efficiency Standards

HVAC industry members are debating how the DOE’s new rules — the first-ever for commercial and industrial fans — will impact their operations.




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Geothermal, Solar, VRF Bring the High-end to Air Conditioning

The first thing that comes to mind when thinking about high-end air conditioning systems is usually cost.




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Understanding Energy Recovery in Rotary Heat Exchangers

Heat recovery systems can be divided into two categories based on the thermal parameters of the system: Systems with high and low thermal parameters.




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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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Troubleshooting Water-Cooled Condensers

Occasionally while servicing refrigeration equipment, technicians may come across a system utilizing a water-cooled condenser instead of an air-cooled condenser.