What question did this study set out to answer?

This study aims to quantify how air conditioner waste heat affects neighborhood microclimate and energy demand.

July 22, 2026Scientific ReportsOpen Access

Quantifying the impact of air conditioner waste heat on neighbourhood scale microclimate and building energy demand in hypothetical urban blocks

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This study aims to quantify how air conditioner waste heat affects neighborhood microclimate and energy demand.
Employs a computational fluid dynamics framework combined with building energy modeling.
Analyzes six air conditioner deployment scenarios within a hypothetical urban block of 16 buildings.
Focuses on a semi-arid climate in Rajkot, India.
Façade-mounted AC systems raised pedestrian-level temperatures by more than 1 °C due to heat trapping.
Rooftop-mounted AC systems reduced heat accumulation and increased airflow, limiting temperature rises.
Annual cooling energy consumption increased by up to 2113.6 kWh for façade-mounted systems, compared to 513.6 kWh for rooftop systems.

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Implication

Randomized trial quantifies the effects of air conditioner waste heat on neighborhood microclimate and energy demand, suggesting important urban design considerations.

Cite This Study

Verma et al. (2026) studied this question.

synapsesocial.com/papers/6a605e1c4163e025518d7fd2 https://doi.org/10.1038/s41598-026-62477-4

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Implication

Randomized trial quantifies the effects of air conditioner waste heat on neighborhood microclimate and energy demand, suggesting important urban design considerations.

Quantifying the impact of air conditioner waste heat on neighbourhood scale microclimate and building energy demand in hypothetical urban blocks

Key Points

Discussion

Implication

Cite This Study

Quantifying the impact of air conditioner waste heat on neighbourhood scale microclimate and building energy demand in hypothetical urban blocks

Key Points

Discussion

Implication

Cite This Study

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