HPAC Magazine


Energy Efficiency

News Green TechnologyHPAC GeneralManagement

How important is energy efficiency in industrial and buildings sectors?

January 4, 2017

The Office of Energy Efficiency (OEE) is undertaking Public Opinion Research to measure, through quantitative means, the importance of energy efficiency in the industrial and buildings sectors (including public, commercial and institutional sub-sectors) and energy efficiency brand recognition (ENERGY STAR,

News ConstructionEngineeringHVAC Systems

Reminder re application of energy efficiency requirements and enforcement dates

September 7, 2016

Alberta Municipal Affairs, Safety Services has issued a reminder that the transition period for voluntary application of the National Energy Code for Buildings (NECB) 2011 and Section 9.36. Alberta Building Code (ABC) 2014 for housing and small buildings ends on

News ConstructionEngineeringGreen TechnologyHPAC GeneralHVAC Systems

Canada holds its own in energy efficiency rankings

August 21, 2016

Germany continues to lead the world in energy efficiency, followed by Italy and Japan (tied for second place), France, and the United Kingdom (not reflecting energy-related government changes in 2016), according to the 2016 International Energy Efficiency Scorecard published by

News ConstructionEngineeringGreen TechnologyHPAC GeneralHVAC SystemsManagement

New provider of Dollars to $ense training

August 15, 2016

The Canadian Institute for Energy Training (CIET) is now the sole licensee for delivering all the Dollars to $ense (D2$) training workshops across Canada. This licence also includes the possibility of offering the workshops internationally through CIET’s sister-company the International

water heater,Lochinvar,boiler,Power-Fin
News EngineeringHPAC GeneralHVAC SystemsHydronicsPlumbing

Lochinvar celebrates water heater, boiler technology milestone

July 25, 2016

Tennessee-based Lochinvar, LLC is celebrating the 30th anniversary of its industry-changing Power-Fin product line this July. Developed in 1986 from Lochinvar pioneer William Vallett Sr.’s vision for a high-efficiency water heater and boiler, the Power-Fin product was the first of

News HeatingHPAC GeneralHydronicsPlumbing

Quebec moves to harmonize energy efficiency regs

July 25, 2016

On July 13, 2016, the Quebec Minister of Energy and Natural Resources tabled a draft regulation to replace the existing Regulation respecting the energy efficiency of electrical or hydrocarbon-fuelled appliances. The draft regulation is published in the Gazette officielle du

News ConstructionControlsCoolingEngineeringForced AirGeothermalGreen TechnologyHeat PumpsHeatingHPAC GeneralHVAC SystemsRefrigeration

Call for Papers issued for ASHRAE conference

June 23, 2016

A call for papers has been issued for the 2017 Annual ASHRAE Conference in Long Beach, CA, June 24-28, at the Hyatt Regency Long Beach. The conference includes tracks that demonstrate the benefits of net zero energy (NZE) and ways

Standard 189.1
News ConstructionEngineeringGreen Technology

Changes to high performance building standard open for public comment

April 13, 2016

Changes to the purpose and scope that reflect advances in green buildings over the last 10 years are proposed for the high performance building Standard 189.1 from ASHRAE, the International Code Council (ICC), the U.S. Green Building Council (USGBC) and

News HPAC General

Bright Business Awards highlight energy efficiency in Nova Scotia

December 3, 2015

After nearly 20 years of specializing in energy cost reduction, Ian Storey is recognized for his efforts in Canada’s east coast.

News HPAC General

Ian Storey recognized for his contribution to energy efficiency

November 25, 2015

Bright Business Awards highlight energy efficiency in Nova Scotia.

News Green TechnologyHPAC GeneralPlumbing

Manitoba Hydro adds labour incentive to drain water heat recovery program

November 9, 2015

Updated… As of April 1, 2016, an amendment to the Manitoba Building Code will mandate the residential use of drain water heat recovery (DWHR) units in new homes. Following an RFQ, Manitoba Hydro announced that EcoInnovation Technologies would supply the

News CoolingGreen TechnologyHPAC GeneralHVAC SystemsRefrigeration

White House announces suite of private sector commitments to HFC reductions

October 20, 2015

On October 15, 2015, the White House announced a suite of new private-sector commitments and executive actions that will reduce the use and emissions of hydrofluorocarbons (HFCs). The White House also recognized the progress that has been made against the

Alex Lukachko, senior associate at Building Science Consulting Inc. said the newly found skepticism is good because green buildings need to be refined by updated building codes.
News EngineeringGreen TechnologyHPAC GeneralHVAC Systems

Assessing the current green building juncture

October 6, 2015

Green buildings need to be refined by updated building codes, says speaker at Green Building Festival.

Figure 1
Article CoolingGreen TechnologyHVAC SystemsRefrigeration

What Is going on in the world of Supermarket Refrigeration?

October 1, 2015 by Dave Demma

It comes as no surprise to anyone that supermarkets are under pressure to embrace green. As applied to the refrigeration portion of a supermarket this translates into: reduce carbon footprint, lower Global Warming Potential (GWP), reduce refrigerant charge, reduce electrical

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

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

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

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

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;

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.

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.

News Green TechnologyHPAC General

Action plan for Net Zero Energy housing in Canada moves forward

January 8, 2015

CHBA announces members of NZE Housing Council.