Privacy Policy
How we collect, use, and protect your data. Compliant with India's DPDP Act, 2023.
This Privacy Policy is compliant with India's Digital Personal Data Protection (DPDP) Act, 2023. We are committed to processing your personal data lawfully, fairly, and transparently.
Who We Are
The DU Tech Team operates the website acbillcalculator.in ("the Site"). We are an independent HVAC research and review platform based in India. For privacy-related queries, contact us at [email protected].
Data We Collect
We collect the following categories of data when you use our Site:
Pages visited, time spent, device type, browser, and approximate location (city-level). Collected via Google Analytics.
Room size, tonnage, usage hours entered into our calculators. This data is processed locally in your browser and is not stored on our servers.
We use cookies for affiliate link tracking (Amazon Associates), analytics (Google Analytics), and session management. See our Cookies section below.
If you contact us via email or a contact form, we collect your name and email address solely to respond to your query.
How We Use Your Data
We use the data we collect for the following purposes:
- To improve the accuracy and usability of our calculators and tools
- To understand which content is most useful to our readers
- To process affiliate referrals and earn commissions (as disclosed in our Affiliate Disclosure)
- To respond to your queries if you contact us
- To comply with legal obligations under Indian law
Data Sharing & Third Parties
We do not sell your personal data. We share data only with the following third parties, strictly for operational purposes:
Your Rights Under the DPDP Act
Under India's Digital Personal Data Protection Act, 2023, you have the following rights:
- Right to access the personal data we hold about you
- Right to correct inaccurate or incomplete personal data
- Right to erasure of your personal data (subject to legal obligations)
- Right to withdraw consent for data processing at any time
- Right to nominate a person to exercise your rights in case of death or incapacity
To exercise any of these rights, contact us at [email protected]. We will respond within 30 days as required by the DPDP Act.
Data Retention
Analytics data is retained for a maximum of 26 months, after which it is automatically deleted by Google Analytics. Contact form data is retained for 12 months and then permanently deleted. We do not retain calculator input data as it is processed entirely in your browser.
Children's Privacy
Our Site is not directed at children under the age of 18. We do not knowingly collect personal data from minors. If you believe a child has provided us with personal data, please contact us immediately at [email protected] and we will delete it promptly.
Changes to This Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or applicable law. The "Last Updated" date at the top of this page will always reflect the most recent revision. We encourage you to review this policy periodically.