In the framework of the new National Plan for the Reduction of Air Pollutant Emissions (PREPA, published in May 2017), France is committed to reducing ammonia emissions, especially from agriculture. One of the means to reduce ammonia emissions from pig farm buildings is slurry cooling, with the help of new slurry-management technology. Reducing the temperature makes it possible to shift the 3/ 4 + balance towards maintaining the ionic forms of nitrogen in the slurry. The heat captured from the slurry can be directed to locations that consumer large amounts of heat, such as farrowing rooms. To assess the ammonia-reduction potential of these systems, a simulation model of slurry temperature as a function function of air temperature underneath the slatted floor was constructed. The model is based on an energy balance, considering heat loss from the pit walls, heat gain from the air and the increase in slurry volume. Model results were compared to observations from the IFIP experimental facility. The linear regression between observations and model predictions was 0.93x+1.1 (R² = 0.90, RMSE = 0.43°C). This model will be coupled with existing models that simulate air temperature (Thermisim) and zootechnical performances (INRAPorc). After validation, the complete model will be able to predict the ability of the cooling system to decrease slurry temperature (and thus ammonia emissions) of a given technology (e.g. floating systems, pit bottom).