Umeå universitets logga

For several years, the stable Rideaway AB Oy in Vaasa, Finland, has grappled with high humidity levels indoors, leading to significant condensation issues. This excess moisture and condensation not only contribute to increased indoor heating, but also pose health risks in the form of mold as well as material damages. This report delves into underlying factors and alternative measures to reduce humidity and condensation through a variety of literature sources and independent investigations using various tools.With 27 horses and over 30 daily visitors, the stable generates an internal moisture production of 10 [kg/h], which condenses during the colder winter months in the form of surface condensation on cold surfaces and from untreated air from ventilation valves. To address and prevent the high humidity and condensation, alternatives such as additional insulation, dehumidifiers, and pre-treatment of incoming air are explored.Given the short-term usage period for the solution and a tight economic budget, the investigation concludes, that the stable requires supplementary insulation and a dehumidifier. In selecting a dehumidifier, factors such as operating temperature, workspace, and moisture levels are crucial, hence condensation dehumidifiers and sorption dehumidifiers are the types examined. Other alternative measures for the moisture problem, such as duct heaters and exhaust air pumps have been explored, but fail to meet the requirements of either the economic or thermodynamic aspects. This report will serve as a basis for decision-making regarding the course of action.