Celvanto ("we," "us," or "our") is a product of Smart Technology Investments LLC. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit celvanto.smarttechinvest.com or use our appliance TCO analysis services.

1. Information We Collect

Information you provide directly:

Email address (if you create an account)
Appliance profile data (ZIP code, appliance category, current equipment, home size, energy bills)
Payment information (processed by Stripe; we do not store card numbers)

Information collected automatically:

IP address and approximate geolocation
Browser type, operating system, device type
Pages visited, time on page, referring URL

2. How We Use Your Information

To compute appliance lifecycle cost analyses based on your inputs
To generate and deliver TCO reports
To process payments and manage credits
To send transactional emails
To improve the product

3. Data Sources We Use

Our models use publicly available datasets from Energy Star, DOE, EIA, DSIRE, NOAA, and EPA. We do not collect personal data from these sources. All optimization is performed against aggregate data.

4. Third-Party Services

Cloudflare -- CDN, DDoS protection, Workers hosting, D1 database
Stripe -- Payment processing (PCI-DSS compliant)
Vercel -- Web application hosting

5. Data Retention

Account data: retained for life of account plus 2 years
Reports: retained for life of account
Payment records: retained as required by law (typically 7 years)
Anonymous appliance data (no account): not stored beyond browser session

6. Your Rights

You may have the right to access, correct, delete, or port your data. Email privacy@smarttechinvest.com.

7. California Privacy Rights (CCPA/CPRA)

We do not sell personal information. Submit CCPA requests to privacy@smarttechinvest.com.

8. Data Security

We implement TLS encryption, encrypted storage, access controls, and regular security reviews.

9. Contact

Smart Technology Investments LLC
Email: privacy@smarttechinvest.com