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Refrigeration

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United Technologies to spin off Carrier in company split

December 10, 2018

United Technologies Corp. on November 26 announced the completion of its Rockwell Collins acquisition and plans to separate into three independent companies. Otis, a manufacturer of elevators, escalators and moving walkways, is to become the second independent business after UTC’s

Article Refrigeration

What to do about that pesky R-22 chiller-Part II

December 7, 2018 by Dave Demma

In Part I, which appeared in HPAC October 2018, the various considerations prior to undertaking a chiller conversion were discussed. What follows is a simple (or maybe not so simple) step-by-step procedure for actually converting a R-22 chiller. 1 Systems

News Refrigeration

Danfoss acquires industrial automation control products supplier

December 4, 2018

Danfoss has acquired Pennsylvania-based AAIM Controls Inc., a supplier of custom-designed regulation and control automation solutions. With the purchase, Danfoss hopes to enter the industrial refrigeration market as a systems provider. “By adding electronic regulation and control automation to our

News Green TechnologyRefrigeration

U.S. manufacturer approves low GWP for Honeywell refrigerant

November 16, 2018

Michigan-based Tecumseh Products Company has approved Honeywell’s Solstice N40 refrigerant with a lower global warming potential following “extensive testing.” The refrigerant was approved for use in the reciprocating compressors used in Tecumseh’s global commercial refrigerant systems. Solstice N40 aims to

Article Refrigeration

What to do about that pesky R-22 chiller-Part I

November 7, 2018 by Dave Demma

While there have not been any widespread shortages of R-22 to date, the price has certainly been reflective of a reduced supply. With a complete ban on new R-22 (either imported or manufactured) beginning January 2020, the supply will continue

News Health & SafetyManagementRefrigeration

Technical Safety BC releases Investigation Report into 2017 fatal incident at Fernie Memorial Arena

July 25, 2018

Technical Safety BC has released its investigation report into the ammonia release at Fernie Memorial Arena on October 17, 2017, which resulted in three fatalities, as well as the evacuation of 95 residents from 55 nearby homes. The report provides

News ManagementRefrigeration

Chemours expands in North America with purchase of Indiana ACR company

April 13, 2018

Chemours has acquired Indiana-based Icor International, a privately-owned manufacturer and supplier of ozone safe air conditioning and refrigerant products. According to Chemours, the acquisition will allow it to expand in North America and meet customer needs. “Icor has developed an

News HPAC GeneralRefrigeration

ASHRAE calls on speakers for 2019 refrigerant webcast

April 3, 2018

ASHRAE’s Chapter Technology Transfer Committee (CTTC) has called for presenters for its 2019 webcast: The Future of Refrigerants in Unitary and VRF Systems. The webcast will examine how air-conditioning system configurations will adapt to worldwide regulations and advancements in refrigerant

News Refrigeration

Refrigerant Management Canada receives new online home

March 27, 2018

Refrigerant Management Canada (RMC) has launched a new website under HRAI’s domain. The website includes links to two videos: RMC Annual Report 2016 and Refrigerant Management for Contractors. A search tool allows users to find nearby RMC wholesaler locations. A

Article HPAC GeneralRefrigeration

Making the transition to low GWP refrigerants

March 4, 2018 by Brian S. Smith

Currently, the HVAC/R industry is undergoing a third paradigm shift in regulating refrigerants–this time the transition is specifically aimed at addressing climate change and greenhouse gas emissions. The earlier two transitions from CFCs to HCFCs, then from HCFCs to HFCs,

Product Refrigeration

Arkema’s Forane® 427A, 407A, 407C and 410A: The right options for R-22

March 1, 2018

www.forane-us.com

Article ControlsCoolingEngineeringForced AirGeothermalGreen TechnologyHPAC GeneralHVAC SystemsHydronicsPlumbingRefrigerationSolar

Event to host largest ever education program

December 20, 2017 by Kerry Turner

The 2018 ASHRAE Winter Conference takes place January 20-24 at the Palmer House Chicago with the co-sponsored AHR Expo being held January 22-24 at McCormick Place. The AHR Expo seminar program features over 120 sessions, including over 70 free one-

mexichem-refrigeration-klea-r407H
News Refrigeration

Mexichem launches lower GWP refrigerant Klea 407H

December 15, 2017

Mexichem has launched Klea 407H in partnership with Daikin. Klea 407H is intended to replace refrigerants R404A or R507 as a lower GWP alternative in medium and low temperature applications. It has a GWP of 1495. Starting in the new

Article Health & SafetyManagementRefrigeration

Steps to Ammonia System Safety

December 15, 2017 by Dave Demma

Ammonia is a colourless gas, composed of one nitrogen molecule and three hydrogen molecules. It is produced naturally in the human body, as well as in nature (water, soil, air and so on). It has a very distinct pungent odour,

News CoolingManagementRefrigeration

HFC phase down schedule revised in ODS and Halocarbon Alternatives regulations

November 24, 2017

Environment and Climate Change Canada (ECCC) published the final revisions to the federal ODS and Halocarbon Alternatives regulations concerning control of HFCs in Canada Gazette II on October 18, 2017. These revisions come into force 180 days after the date

News CoolingRefrigeration

ASHRAE offers residential and refrigerants “Mini-Tracks” at AHR Expo

November 23, 2017

ASHRAE will present a series of refrigerant and residential building “mini-track” seminars at the 2018 AHR Expo. The 2018 ASHRAE Winter Conference takes place January 20-24 at the Palmer House Chicago with the co-sponsored AHR Expo being held January 22-24

News ManagementRefrigeration

Call for contractors with natural refrigerant expertise

November 17, 2017

The North American Sustainable Refrigeration Council (NASRC), is working to remove the barriers to adopting natural refrigerants such as CO2, ammonia and propane in food refrigeration in the grocery sector. NASRC has been hearing repeatedly from end-user retailers that while

News CoolingHuman ResourcesRefrigeration

Albertan takes home medallion of excellence from WorldSkills Competition

November 5, 2017

By Michael Power “In the blink of an eye it’s all over.” That’s how Ryan Matsuba describes the experience of competing with Team Canada in the WorldSkills International Competition. Matsuba won a Medallion of Excellence at the competition, which requires

Article CoolingEngineeringHVAC SystemsRefrigeration

Contemplating a chiller replacement?

October 18, 2017 by Dave Demma

When I was in high school, the cost of gasoline was seldom of concern. I drove a 1957 Chevy Bel Air, with a modified 409 engine in it, and I do not think I ever thought to check what the

Article HPAC GeneralHuman ResourcesHVAC SystemsManagementRefrigeration

Change is in the air

September 10, 2017 by Michael Power

Attendance ramped up compared to last year for the 49th-annual conference of the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) in Quebec City. Held August 16-18, the event saw changes to the organization that included Bruce Passmore appointed

Article HVAC SystemsRefrigeration

How to properly apply a TEV for a given application

August 23, 2017 by Dave Demma

In my travels I have many opportunities to visit and interact with HVAC/R contractors. In the course of these visits, a frequent topic of discussion is refrigerant conversions. After the typical “what’s the best replacement for R-22”, and “do we

News HPAC GeneralHVAC SystemsRefrigeration

Bacharach, Inc. finalizes acquisition of competitor Parasense

May 19, 2017

Bacharach, Inc., global manufacturer of refrigerant gas leak detection and monitoring instruments, and combustion and emissions analyzers, has announced the completion of the acquisition of Parasense, Inc. A privately-owned ISO 9001:2008 accredited small business provider of engineering and technical services, Parasense

Article CoolingHVAC SystemsRefrigeration

Insights on refrigerant flammability and safety

May 16, 2017 by Spencer Fuller

After the Montreal Protocol began the phase-out of chlorofluorocarbon (CFC) refrigerants in 1987, the HVAC industry began to test alternative refrigerants. Since then, the industry’s primary concern has been “safety first.” This does not mean just environmental safety, but also

News CoolingHeat PumpsHeatingHydronicsManagementPlumbingRefrigeration

NRCan posts new technical bulletins re: Amendment 15

April 20, 2017

The Heating, Refrigeration and Air Conditioning Institute (HRAI) reports that a Notice of Intent was published in the Canada Gazette, Part I on March 4, 2017 indicating Natural Resources Canada’s intent to proceed with the development of Amendment 15. This

News ManagementRefrigeration

RSES Canadian Capital Chapter to host annual conference

March 24, 2017

UPDATED The annual Refrigeration Service Engineers Society (RSES) Canada Conference will be held at Algonquin College in Ottawa on May 5 and 6, 2017. The program includes four speakers, opportunities to test for the CM, CMS designation and a dinner

News EngineeringHVAC SystemsManagementRefrigeration

ASHRAE heads west for annual conference

March 21, 2017

ASHRAE’s Annual Conference will be held June 24 to 28 in Long Beach, CA. The five-day event boasts eight conference tracks, tours, social events and a keynote message from Derreck Kayongo, CEO of the Center for Civil and Human Rights.

Article EngineeringHVAC SystemsRefrigeration

Introduction to refrigeration defrost methods-Part II

March 19, 2017 by Dave Demma

Refrigeration systems operating with saturated suction temperatures below freezing will eventually experience an accumulation of frost on the evaporator tubes and fins. The frost serves as an insulator between the heat to be transferred from the space and the refrigerant,

News HVAC SystemsRefrigeration

Modifications to basic defrost schemes add yet another layer of complexity

February 13, 2017

It is inevitable that refrigeration systems operating with saturated suction temperatures below freezing will eventually experience an accumulation of frost on the evaporator tubes and fins. The frost serves as an insulator between the heat to be transferred from the

refrigeration defrost
Article HVAC SystemsRefrigeration

Introduction to refrigeration defrost methods — Part I

February 10, 2017 by Dave Demma and Bob Schindler

It is inevitable that refrigeration systems operating with saturated suction temperatures below freezing will eventually experience an accumulation of frost on the evaporator tubes and fins. The frost serves as an insulator between the heat to be transferred from the

News CoolingForced AirHVAC SystemsManagementRefrigeration

Danfoss inaugurates first test chamber of its new customer Application Development Center

February 6, 2017

Danfoss recently opened a test chamber at its new Engineering Tomorrow Application Development Center in Tallahassee, FL. The first of three psychrometric rooms, it will accommodate air-conditioning systems up to 12.5 tons. Its purpose is to help the industry in