Privacy Policy & Local Execution

1. 100% Client-Side Calculations

Engg. Calculator is engineered as a zero-telemetry tool. All 12 calculators (including transformer kVA, conduit fill, wire sizing, HVAC duct airflow, and materials estimation) execute entirely in your local browser JavaScript runtime.

We do not record, store, transmit, or analyze your project measurements, room dimensions, equipment loads, or electrical specifications.

2. Local Storage Usage

We use browser `localStorage` solely to preserve your UI preferences across sessions:

• calcpro-theme: Stores your Dark Mode / Light Mode preference.
• calcpro-lang: Stores your selected language (English, Spanish, German, French, Hindi).

3. Analytics and Cookies

We do not use invasive third-party cross-site trackers or sell data to third-party ad networks. We comply fully with GDPR and CCPA privacy standards.

4. Contact Inquiries

If you submit a message through our Contact Us form, the provided contact details are used solely to reply to your inquiry.