Shaping the Energy Efficiency in New Buildings - Building Energy ...

AUSBCA 2007,continuedCAN 69MNECB1997SoftwareMethodologyDescribed inCodesYes (referred toanotherdocument) 70ExistingSoftwareEE4,EE4 Code 71 ,BILTRADfree of chargeAccessibilitySoftware provided byCanmetENERGY withinNatural Resources Canada;accessible on the internetfree of chargeDescriptionE20-II, eQUEST, VisualDOE, EnergyPlus For Class 3, 5, 6, 7, 8 and 9 buildings (mostly nonresidential) Meets the Australian Building Codes Board’s Protocolfor Building Energy Analysis Software Version 2006.1 eQUEST, VisualDOE and EnergyPlus are mostlysimulation programsEE4 Applies all of Natural Resources Canada’s validationof new building design rules to confirm that a design isat least 25% more energy efficient than if everyelement of the building envelope, lighting, HVAC andservice water systems were constructed to meetMNECB 1997 requirements. Uses a performance path approachEE4 Code Aligns strictly with MNECB 72 Compares proposed building design with building ofsimilar reference design built strictly to MNECB level Reports differences in energy performance for HVAC,envelope, lighting and service hot water Uses a performance path approach69 For more information, please see http://canmetenergy-canmetenergie.nrcan-rncan.gc.ca/eng/software_tools.html.70 “Trade-off Compliance for Buildings: Specifications for Calculation Procedures for Demonstrating Compliance to the MNECB” published by CanadianCommission on Building and Fire Codes.71 EE4 and EE4 Code are being replaced with software based on eQuest.72 In contrast to EE4 Code, EE4 credits some efficiency measures (e.g., controls) that were not included in the code.83