Barilla Solar | Solar Water Heating

Disclaimer: The performance of solar heating systems is impossible to predict with certainty due to the variability in the amount of solar radiation (sunlight) from location to location and from year to year. This estimate is based upon a simplified method of calculating solar yield based on performance factors obtained by modelling typical solar domestic hot water systems using Polysun software. This estimate is given as guidance only, it should not be considered as a guarantee of performance. We would welcome any feedback relating to this calculator.