Our Building Energy Design services help project teams improve energy performance before construction begins. Through integrated building energy design, envelope optimization, efficient HVAC and lighting strategies, and design-stage energy modelling, we evaluate how each design decision affects energy use, operating costs, carbon emissions, and occupant comfort. We support new construction and major retrofit projects with practical recommendations for high-performance, energy-efficient building design.
Green Canada Energy Advisors provides building energy design services for new construction and major retrofit projects, including commercial, institutional, mixed-use, and multi-unit residential buildings. We typically join the project during schematic design or design development, when changes to building massing, orientation, envelope assemblies, fenestration, mechanical systems, lighting, and controls can still be evaluated without disrupting the project schedule.
Our design-stage energy analysis helps the project team compare practical options for reducing peak heating and cooling loads, annual energy use, operational carbon, and long-term operating costs. We coordinate our recommendations with the architect and engineering consultants so they remain consistent with the drawings, mechanical concepts, project budget, and intended building operation. The result is a clear set of design priorities that can be carried forward as the project develops.
A sound building energy design begins by reducing heating and cooling demand at the envelope, before mechanical systems are sized. We assess building orientation and massing, the effective thermal resistance of wall and roof assemblies, window-to-wall ratio (WWR), fenestration U-factor and SHGC, air-barrier continuity, exterior shading, and thermal bridges at slabs, balconies, parapets, and other enclosure transitions.
The review considers local weather data, operating schedules, and the architectural design as it develops. More glazing can improve daylight and views, but it may also increase conductive heat loss, solar heat gain, and peak cooling demand. We examine these trade-offs with the design team and identify passive and envelope measures that improve energy performance while remaining practical to detail and build.
Green Canada Energy Advisors prepares energy code compliance reports through detailed reviews of architectural drawings, building envelope assemblies, mechanical systems, and proposed efficiency measures. Our energy modelling process defines the appropriate pathway for each project, evaluates design performance, and produces the technical documentation required for building permit submissions.
Green Canada Energy Advisors helps property owners, managers, and facility teams select the right audit level for their building and budget. Our work supports practical decisions around energy performance, operating costs, and retrofit priorities, while also helping clients prepare for benchmarking, reporting, incentive applications, and long-term decarbonization planning where applicable.
Building energy design considers how mechanical and electrical systems are likely to perform across a range of operating conditions, not only at peak design loads. We review heating and cooling configurations, ventilation rates, heat recovery, service water heating (SWH), lighting power density (LPD) targets, zoning, and control sequences with the mechanical and electrical teams. This review helps limit equipment oversizing and match system capacity to occupancy patterns, operating schedules, envelope performance, and local climate conditions.
Depending on the project, the analysis may compare heat pumps, dedicated outdoor air systems (DOAS), energy recovery ventilation, condensing boilers, demand-controlled ventilation (DCV), and temperature or pressure reset strategies.
Rated efficiency alone does not determine annual performance. Oversized equipment, limited turndown, poor zoning, and incomplete control sequences can increase cycling and energy use during part-load operation. Reviewing these factors during design supports system selections that reduce operating energy while maintaining ventilation, indoor air quality, and thermal comfort.
Energy modelling supports design decisions before design development is finalized and major changes become difficult to accommodate. We compare envelope assemblies, window-to-wall ratios (WWR), shading strategies, HVAC configurations, ventilation rates, lighting power density, and operating schedules to estimate their effects on annual energy use, peak heating and cooling demand, thermal comfort, utility costs, and operational carbon.
The model is updated as architectural and mechanical information becomes more detailed.
Comparative option analysis helps the project team identify measures that produce meaningful performance gains and recognize where additional upgrades may offer diminishing returns. Results are presented as clear design comparisons, giving architects, engineers, owners, and project managers a practical basis for selecting options that suit the project’s performance targets, budget, and operating requirements.
Effective building energy design requires coordination between the energy consultant, architect, and mechanical and electrical teams while key design decisions are still open. We support new construction and major retrofit projects by reviewing envelope performance, window-to-wall ratio, glazing properties, HVAC concepts, lighting power density, zoning, and control sequences during schematic design and design development.
Our analysis is based on the current project drawings, system concepts, occupancy schedules, and intended building operation. Energy modelling is used to compare design options, estimate projected Energy Use Intensity (EUI) and peak heating and cooling loads, and determine which envelope or mechanical changes are likely to provide worthwhile performance improvements. Recommendations are reviewed with the design team against architectural requirements, budget, system availability, and constructability.
Owners, architects, engineers, and project managers receive clear performance results, option comparisons, and prioritized design recommendations. These findings provide a practical basis for reducing energy use and operational carbon, improving thermal comfort, and supporting reliable long-term building performance.
The best time is during schematic design, before the building form, glazing area, envelope assemblies, and mechanical system are fixed. At that stage, the energy analysis can still influence decisions without forcing major redesign. We can also join during design development, although the available options may be narrower and some changes may carry additional coordination or construction costs. For major retrofits, involvement should begin while the existing building conditions and replacement options are being assessed.
Building energy design evaluates how the envelope, mechanical systems, lighting, controls, occupancy, and operating schedules affect whole-building performance. It helps the project team compare design options and establish appropriate energy targets. The mechanical engineer remains responsible for detailed HVAC design, equipment selection, distribution layouts, specifications, and professional engineering requirements. Our role is to provide performance analysis and design recommendations that inform those decisions and improve coordination between architectural and engineering disciplines.
The required information depends on the project stage. Early analysis may begin with floor plans, elevations, building orientation, preliminary envelope assemblies, glazing assumptions, occupancy, and initial mechanical concepts. As the design advances, we incorporate more detailed fenestration specifications, effective thermal resistance, lighting power density, equipment efficiencies, ventilation rates, control sequences, and operating schedules. Missing inputs can be represented by documented assumptions, but the results become more reliable as project-specific information is confirmed.
Energy modelling can compare changes to building massing, window-to-wall ratio, glazing U-factor and SHGC, insulation levels, thermal bridging, airtightness, exterior shading, HVAC configurations, heat recovery, service water heating, lighting power density, and control strategies. The model can estimate how each option affects annual energy use, projected Energy Use Intensity, peak heating and cooling loads, operational carbon, and utility costs. The purpose is not to test every possible variation, but to focus the analysis on decisions that could materially affect project performance.
Yes, but the scope of useful changes depends on how far the project has progressed. When architectural layouts and mechanical systems are already developed, the analysis may focus on specific envelope upgrades, equipment efficiencies, heat recovery, controls, glazing specifications, or operating assumptions rather than major changes to massing or orientation. We first review the current drawing set and identify which decisions remain open. This avoids spending time on options that are no longer practical to incorporate.
Deliverables are established in the project scope and may include projected annual energy use and Energy Use Intensity, peak heating and cooling loads, operational carbon estimates, and comparisons of selected envelope or mechanical options. Recommendations identify the measures expected to provide worthwhile performance improvements and note any dependencies on cost, constructability, controls, or design coordination. The documentation also records modelling assumptions, unresolved inputs, and decisions that should be confirmed as the drawings develop.
