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  license: mit
 
 
 
 
 
 
 
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  We devided this entire project into 4 phases. Please go through each step to use our system.
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  1) Energy Plus Setup and Trajectory Data generation
 
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  license: mit
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+ tags:
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+ - Decision Transformer
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+ - Heating-Ventilation-Air Conditionion(HVAC)
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+ - Docker
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+ - Energy Plus
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+ - Generalisation, General Models
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+ - Transfer Learning and Zero Shot
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  ---
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+ # One for All: LLM guided zero-shot HVAC control
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+ ## Abstract
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+ HVAC controllers are widely deployed across buildings with dif-
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+ ferent layouts, sensing configurations, climates, and occupancy
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+ patterns. In practice, controllers tuned for one building often de-
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+ grade when applied to another, leading to inconsistent energy effi-
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+ ciency and occupant comfort. Many learning-based HVAC control
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+ methods rely on building-specific training, retraining, or expert
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+ intervention, which is often impractical or costly at scale.
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+ To address these challenges, we present Gen-HVAC, an LLM-
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+ guided, zero-shot HVAC control platform for multi-zone buildings
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+ that is trained once and deployed across diverse buildings without
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+ retraining. We design a transformer-based HVAC controller that
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+ is trained on historical building operation data collected across
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+ multiple buildings and generates control actions by conditioning
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+ on recent system behavior rather than building-specific models.
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+ By using recent temperature measurements, past control actions,
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+ and observed system responses, the controller generates HVAC
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+ control actions that transfer across buildings and climates with-
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+ out retraining, enabling the same model to scale to new buildings.
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+ To further improve occupant comfort, we integrate a lightweight
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+ language model that allows users to specify comfort preferences
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+ directly, without requiring human expertise, manual rule design,
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+ or paid external APIs. The system translates these preferences into
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+ control objectives that guide the controller without interfering with
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+ system dynamics or real-time control. By conditioning on these
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+ objectives, the controller switches between operating modes, such
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+ as energy-focused or comfort-focused behavior.
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+ We evaluate Gen-HVAC across multiple climates and building
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+ scenarios using EnergyPlus and validate the system in a real build-
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+ ing deployment. Results show consistent improvements over rule-
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+ based control, achieving 36.8% energy savings with 28% comfort
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+ performance under zero-shot deployment. We also release our plat-
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+ form to support reproducibility and enable future research on scal-
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+ able, data-driven HVAC control.
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+ ----
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+ ![SolarSys Hierarchical Architecture](assets/solarSys.png)
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+
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+ ## System Architecture, Training and Implementation
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  We devided this entire project into 4 phases. Please go through each step to use our system.
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  1) Energy Plus Setup and Trajectory Data generation