HPAC Magazine

Green Technology

Figure 1 Air system (Mechanical Room One)
Article EngineeringGreen TechnologyHydronics

How To Deal With Ramped Up Loads

August 1, 2015 by hpac

Jevons’ paradox is alive and well in high performance homes.

News Green TechnologyHPAC GeneralHVAC Systems

Canada ranks number one as largest user of LEED outside of the U.S.

July 23, 2015

The U.S. Green Building Council (USGBC) has announced its international rankings of the Top 10 Countries for LEED. The Top 10 list highlights countries outside of the U.S. that are making significant strides in sustainable building design, construction and transformation.

News Green TechnologyHPAC GeneralHVAC Systems

Update on the national Survey of Commercial and Institutional Energy Use

July 2, 2015

The national Survey of Commercial and Institutional Energy Use (SCIEU) 2014, as conducted by Statistics Canada on behalf of Natural Resources Canada (NRCan), is at its mid-point in data collection. The current SCIEU was launched in the second week of

Article Green TechnologyHeating

Clean bill of health for Fuel Oil No. 2

May 1, 2015 by hpac

Results of a final screening assessment released by Environment Canada and Health Canada in February reported that exposure from Fuel Oil No. 2 residential tank leaks is not a concern for the health of the general population. The report states

Refrigerant section chair Dennis Kozina with HRAI president Warren Heeley at the annual product section meeting on April25, 2015.
News Green TechnologyHPAC GeneralManagementRefrigeration

Contractors join in on HRAI product section meetings

April 22, 2015

The social dynamic for HRAI’s product section meetings was a bit different this year. Of the 89 attendees at the event held April 16 in Mississauga, ON, 17 were contractors. In past years, the meetings have been targeted at manufacturers

News Green TechnologyHPAC General

Clean technology gets a boost in Nova Scotia

April 20, 2015

Over $8 million from the Government of Canada’s Economic Action Plan investment in Sustainable Development Technology Canada’s (SDTC) SD Tech Fund will be dedicated to two clean technology projects in Nova Scotia. The Honourable Peter MacKay, Minister of Justice and

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Dunbarton named ‘greenest school on earth’

April 17, 2015

Dunbarton High School in Pickering, ON is top class when it comes to green initiatives.

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NB Power and NS Power cooperate, Efficiency NB merges

April 10, 2015

Utilities team up to create huge savings; energy efficiency unit to deliver programs.

News CoolingForced AirGreen TechnologyHeatingHPAC General

Mississauga workshop to clarify mandatory OBC performance requirements

February 11, 2015

SkillTech Academy, the training division of The Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI), is offering a workshop titled Complying with Part 12 of the Ontario Building Code (OBC). Scheduled for April 13, 2015 in Mississauga, ON, the

Rethinking hot water systems is key to meeting user expectations and regulatory requirements.
Article EngineeringGreen TechnologyHVAC SystemsPlumbing

Tips for restaurant hot water systems

February 1, 2015 by Amin Delagah

Warming up to a new design perspective-Part I

A heating coil in each air handler unit is supplied by a hot water circuit that is regulated by its own PICV.
Article Green TechnologyHVAC SystemsHydronics

Exploring the agricultural market

February 1, 2015 by Bill Boss

Biofuel heating system raises profits for organic poultry farmer.

Figure 1 150-ton cooling system
Article Green TechnologyHVAC SystemsHydronics

Technology pumps out savings

February 1, 2015 by Mike Miller

Variable speed pumping has brought new levels of energy efficiency to the HVAC industry. While many larger buildings utilize system pumps operating on variable frequency drives (VFDs) with the guidance of pressure differential sensors, pumps that do not require external

Figure 1 Heat loss/heat gain process and factors
Article CoolingEngineeringForced AirGeothermalGreen TechnologyHeat PumpsHeatingHydronics

Heat loss/heat gain considerations

February 1, 2015 by Robert Bean

When I joined ASHRAE in 1990, I did not imagine that 25 years later HVAC equipment would be selected and installed in the absence of a heat loss and gain calculation. It is like bad reruns on late night television;

Most practitioners will find PART 1 and Appendices A and B to be most useful. PART 1 outlines how to effectively account for thermal bridging. Appendices A and B provide a catalogue of common building envelope assemblies and interface details and their associated thermal performance data.
News CoolingEngineeringForced AirGreen TechnologyHeatingHPAC GeneralHVAC Systems

Building envelope thermal bridging guide released

January 14, 2015

Guide explores how building industry can account for impact of thermal bridging.

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Action plan for Net Zero Energy housing in Canada moves forward

January 8, 2015

CHBA announces members of NZE Housing Council.

News Green TechnologyHPAC GeneralHVAC Systems

Schneider Electric honoured for reducing core energy consumption

December 17, 2014

Schneider Electric, a global energy management specialist, was recognized for its efforts to conserve and manage energy consumption at more than 300 company facilities around the world. The company was honoured December 11, 2014 with a Stewardship Award at the

News EngineeringGreen TechnologyHPAC GeneralPlumbing

Symposium highlights how mechanical industry creates and adapts to emerging technologies

December 11, 2014

Developing a vision for a more efficient future for plumbing and mechanical systems.

John Hazen White, Jr., Taco president and CEO announces the strategic partnership agreement with Askoll at Taco's Innovation and Development Center in Cranston, RI, on November 6, 2014.
News Green TechnologyHPAC GeneralHVAC SystemsHydronics

Taco strikes up strategic partnership with Italian manufacturer

November 13, 2014

Taco, Inc. president and CEO, John Hazen White, Jr., recently announced a strategic partnering agreement with Askoll, a pump manufacturer headquartered in Dueville, Italy, at a ceremony held in Taco’s Innovation and Development Center in Cranston, RI. The two companies

Official opening of George Brown College's Green Building Centre in Toronto, ON, on November 10, 2014. (L to R): Robert Luke, vice president, applied research and innovation, George Brown College; Gary Goodyear, Minister of State for FedDev ON; Bernard Trottier, MP Etobicoke-Lakeshore; Trudy Puls, Roxul; Jamie McIntyre, program coordinator, George Brown College; Laura Jo Gunter, vice president, academic, George Brown College; and Brad Shapiro, George Brown student.
News EngineeringGreen TechnologyHPAC GeneralManagement

George Brown College opens Green Building Centre

November 11, 2014

Toronto’s George Brown College officially opened its new Green Building Centre on November 10. The applied research facility will train students in green energy, advanced construction systems and computer-enabled, efficient buildings. It will also create space for industry partners to

News Green TechnologyHPAC GeneralSolar

North Vancouver commits to sustainable building

November 10, 2014

Zoning bylaw changes expand opportunities for green technologies

Guides are available for each climate zone in BC.
News CoolingForced AirGeothermalGreen TechnologyHeat PumpsHeatingHPAC GeneralHydronicsPlumbing

Energy efficiency requirements for houses set to change in BC

November 5, 2014

Organization offers illustrated guides

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Efficiency NS

October 27, 2014

Efficiency Nova Scotia Corporation (ENSC) has a very simple mission statement: Enable Nova Scotians to use energy better. Created by government in 2009, the organization operates independently from both government and Nova Scotia Power. It is run by a board

HVAC Coalition chairman Roger Grochmal kicks off the coalition's 20th annual general meeting on September 30, 2014 in Vaughan, ON.
News CoolingForced AirGeothermalGreen TechnologyHeatingHPAC GeneralRefrigerationSolar

HVAC Coalition celebrates 20 years fighting for contractors

October 1, 2014

Overarching goal is a level playing field.

Figure 1 Preventive piping: flue gas condensation
Article Green TechnologyHeatingHydronics

Pellets To PEX

October 1, 2014 by JOHN SIEGENTHALER

Combi-systems supplied by modern pellet-fueled boilers.

News Green TechnologyHPAC GeneralHVAC SystemsRefrigeration

Emerson Climate Technologies unveils 2015 environmental initiatives

September 30, 2014

Emerson Climate Technologies recently announced its 2015 environmental stewardship initiatives at a White House meeting of industry and government leaders in Washington, DC. The company will expand its line of products using carbon dioxide, a natural refrigerant. This line will include compressors, flow controls,

News Green TechnologyHPAC General

Cross-border energy efficiency challenge slated for 2015

September 10, 2014

Residential rating considers vents, ductwork, HVAC systems, water heating and controls

News Green TechnologyHPAC General

Samsung Electronics in acquisition mode

September 8, 2014

Enters smart home market; buys Quietside HVAC

Figure 1 Segregated design leads to abbreviated design considerations to meet the  minimum requirements of the building code.
Article EngineeringGreen TechnologyHeatingHydronics

Integrating Elements To Improve Comfort

August 1, 2014 by Robert Bean

Design wholeness can be achieved by proficiency in energy, environmental standards and guidelines.

All future buildings within the boundaries of service area in the Alexandra neighbourhood will connect to the ADEU. At the full build-out ADEU will service 3.9 mil. sq. ft. of residential (3100 units, commercial, office and institutional space) with a 19 megawatt peaking load.
News Green TechnologyHeat PumpsHPAC GeneralHydronics

CGC announces winners of GeoExchange Excellence Awards

July 29, 2014

The Canadian GeoExchange Coalition (CGC) recently handed out its 2014 Excellence Awards to regional geothermal heat pump projects that showcased complexity and quality of installation and design. The 2014 prizes of excellence were awarded to R+O Énergie (Quebec) for the

News Green TechnologyHPAC GeneralPlumbing

Efficiency Nova Scotia partners with First Nations

June 5, 2014

Community members trained to install energy efficient products.