Who you buy from. Orders are processed by Lemon Squeezy, our merchant of record. Lemon Squeezy handles payment, sales tax and VAT, and sends your receipt and download links. Their buyer terms apply to the payment.
What you get. A digital download (Excel workbook or PDF) under the PlantCalcKit licence, plus updates to the major version you bought.
Prices. Shown in US dollars. Tax is added at checkout where required.
Use of the tools. The tools and guides are for engineering estimates and training. They do not replace professional judgement, equipment makers' data, formal acceptance tests or your plant's approved procedures.
Liability. To the extent the law allows, our total liability for any claim is limited to the price you paid for the product.
Refunds. See the refund policy.
Changes. We may update these terms; the version at the time of your purchase applies to that purchase.