Software

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Kiva

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Kiva foundation heat transfer simulation, courtesy of Big Ladder Software

Key Features

Key capabilities include:
Multi-dimensional heat transfer

Performs two- and three-dimensional ground heat transfer calculations for accurate modeling of foundation heat loss and gain.

Detailed foundation modeling

Supports slabs-on-grade, crawlspaces, and basements with flexible definitions of structural assemblies, insulation layers, and thermal bridges.

Validated and research-based

Validated against IEA BESTEST cases for ground-coupled slabs and grounded in peer-reviewed academic research.

High performance numerical engine

Uses optimized numerical schemes and meshing strategies to deliver accurate results in seconds rather than hours or days.

Whole-building simulation integration

Generates ground temperature data for direct use in whole-building energy simulation engines, including native integration with EnergyPlus.