Please use the form below if you have a question about using our software, or have run into problems. Where possible and at our discretion, we will provide reasonable technical and practical support. Please note you are responsible for any training required to understand ReFH 2’s purpose, operations and limitations, and additionally how you use the program and the results obtained. Please see the software licence terms and conditions for further details. We regret that we are unable to advise on best practice or project-specific issues concerning application of the science.