What Is Energy Modelling?

Energy Efficiency - Project of Ecological House

What Is Energy Modelling?

Simply put, energy modelling is the simulation of an entire building’s energy performance using computer-based programs. By doing a whole-building simulation, it can give property owners valuable information about the building’s operations and energy use, as well as give some insight into operating costs.

Whole-building modelling is usually conducted for an entire year, using typical weather data. There are many factors that come into play when doing a simulation in order to make it as realistic as possible. One important aspect that energy modelling takes into account is the interaction between different elements of the building—for example, the impact of daylight on electrical lighting loads. The building’s use and occupancy patterns are also considered since both have a significant effect on energy use and operating costs.Why Use Energy Modelling?

Energy modelling sounds like a pretty cool concept, but why should property owners bother to simulate their building operations? It can provide useful information when looking for energy saving opportunities, as well as be applied during the design process to optimize building designs to ensure efficient energy performance and reduced carbon emissions. Architects and engineers can use the information learned from energy modelling to determine the size, complexity, and potential types of mechanical systems that can generate the best results.

While energy modelling services can be a significant investment, a return on investment is pretty much guaranteed. In many instances, the cost of modelling can be recovered through the energy savings achieved and by the available incentives the building may qualify for. Energy modelling can reduce the overall energy use in your building, specify energy efficient equipment and technologies, use renewable strategizes and purchase green power, as well as create a comfortable environment that will motivate employee productivity.

When Should Energy Modelling Be Performed?

Energy modelling can be performed at various stages during the design and development process. During the conceptual design phase, a simplified model can be used to examine large-scale impacts. At the schematic design stage, a more detailed energy model can be used to identify primary energy uses. During design development, a detailed energy model should be used to conduct parametric analyses to evaluate alternative specifications, and to more thoroughly understand the compromise between initial cost and life-cycle cost. In the construction documents phase, energy modelling will be essential to ensure compliance with codes such as the Energy Cost Budget method in the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE), and more.

Why Choose PL Energy Services?

PL Energy Services is one of the leading energy auditing services in the GTA. We’ve helped a wide array of Ontario properties reach their potential when it comes to energy efficiency, so let us help you do the same. From ASHRAE analyses, HVAC design, project management, and energy modelling in Toronto, we do it all. Contact us today to learn more about our services and how we can help you work towards your energy conservation goals.

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