Título:	Analysing the influence of climatic variables on air conditioning condensate water production
Autor(es):	Carvalho, Danilo Vieira de Sant’Ana, Daniel Richard Schleicher, Arthur Tavares Ribeiro, Júlia Garcia
ORCID:	https://orcid.org/0009-0001-6059-3448 https://orcid.org/0000-0002-9020-081X https://orcid.org/0000-0001-7022-8092 https://orcid.org/0009-0005-9296-0686
Afiliação do autor:	University of Brasilia, Water and Built Environment Research Laboratory University of Brasilia, Water and Built Environment Research Laboratory University of Brasilia, Faculty of Technology, Hydrology Laboratory University of Brasilia, Department of Statistics
Assunto:	Ar condicionado Água condensada Água limpa Modelo de previsão
Data de publicação:	Jul-2026
Editora:	Springer Science and Business Media LLC
Referência:	CARVALHO, Danilo; SANT’ANA, Daniel; SCHLEICHER, Arthur Tavares; RIBEIRO, Júlia Garcia. Analysing the influence of climatic variables on air conditioning condensate water production. Applied Water Science, [S. l.], v. 16, n. 7, 2026. DOI: https://doi.org/10.1007/s13201-026-02874-2. Disponível em: https://link.springer.com/article/10.1007/s13201-026-02874-2
Abstract:	Air conditioning condensate recovery systems have potential applicability in buildings that make intensive use of air con ditioning. However, little is known about the volume of condensate water generated by air conditioning systems for use in non-potable applications. This study aims to elucidate the influence of climatic variables on condensate water production. Data collection regarding the condensate water production of air conditioning system was carried out in a 15 m2, totalling 968 h of operation during the rainy season in Brasilia, Brazil. Overall, relative air humidity and dew point showed positive correlations with the volume of condensate water, indicating that more humid conditions favour condensation. Conversely, higher temperatures, both external and internal, correlated negatively with the volume of condensate water. In this way, a generalized linear model was proposed, adjusted using the explanatory variables of external temperature and relative air humidity to predict the volume of condensate water produced. The model was not able to capture the variability of the response variable well. However, this study represents an advance regarding the development of a model capable of estimating the supply of air conditioning condensate water.
Unidade Acadêmica:	Faculdade de Arquitetura e Urbanismo (FAU) Departamento de Tecnologia em Arquitetura e Urbanismo (FAU TEC) Faculdade de Tecnologia (FT) Departamento de Engenharia Civil e Ambiental (FT ENC) Instituto de Ciências Exatas (IE) Departamento de Estatística (IE EST)
Programa de pós-graduação:	Programa de Pós-Graduação em Arquitetura e Urbanismo
Licença:	Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
DOI:	https://doi.org/10.1007/s13201-026-02874-2
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