Privacy Policy (Updated 2026)

GreenhouseCraft (https://greenhousecraft.com) complies fully with GDPR (EU/UK), CCPA (California), and Google AdSense Publisher Policies.

1. Local Execution of Thermal Calculators

Calculations executed on our Greenhouse Heat Loss & CFM Calculator run locally inside your browser's JavaScript engine. No proprietary greenhouse dimensions, locations, or temperature parameters are stored on our servers.

2. Google AdSense & Advertising Cookies

We use Google AdSense (Publisher ID: ca-pub-6129228094804855). Google uses cookies (including the DoubleClick DART cookie) to serve ads based on your visits to this and other websites. Users may opt out of personalized advertising by visiting Google Ads Settings.

3. Amazon Associates Affiliate Program

This site participates in the Amazon Services LLC Associates Program (Tag: martinkinusa-20). Outbound links use verified rel="nofollow sponsored" tags. Questions: martinventamas@gmail.com.