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license: mit
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---
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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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---
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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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## 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
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