Energy modeling is computer-based simulation that predicts how a building will use energy based on climate, design, HVAC systems, water heating, lighting, and occupancy. It helps designers and owners compare options, meet energy codes, and reduce operating costs. Modeling can be used for new construction or retrofit projects to identify the most effective efficiency upgrades.
/ˈɛnərdʒi ˈmɒdəlɪŋ/
Energy modeling is computer-based simulation that predicts how a building will use energy based on climate, design, HVAC systems, water heating, lighting, and occupancy. It helps designers and owners compare options, meet energy codes, and reduce operating costs. Modeling can be used for new construction or retrofit projects to identify the most effective efficiency upgrades.
What does energy modeling evaluate?
It evaluates HVAC, water heating, envelope, and occupancy impacts on building energy use and cost.
Source: The Cooling Company
Modeling compares HVAC and hot-water options before install.
During a commercial design, engineers model different HVAC and water heating options to find the lowest-cost path to energy targets while maintaining comfort.
Use energy modeling early in design to capture the biggest HVAC and envelope efficiency gains.
“Use energy modeling early in design to capture the biggest HVAC and envelope efficiency gains.”
Energy modeling supports certifications like LEED by quantifying energy savings and system performance.
Is energy modeling only for large buildings?
No. Homes can benefit from modeling when planning major HVAC or envelope upgrades.
Does modeling replace an energy audit?
They complement each other. Audits measure current performance; modeling predicts outcomes.
How accurate are energy models?
Accuracy depends on input quality and assumptions, so detailed data improves results.
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