Disclaimer for ductwisehq.otctablets.com — current from October 7, 2026.
| Topic | What we say |
|---|---|
| Nature of content | General educational information about commercial and small-office HVAC. Not professional advice. |
| Your circumstances | We cannot account for them. Consult a qualified professional before acting. |
| Accuracy | Written with care and corrected when errors are found, but subject to change over time. |
| Results | Examples and figures are illustrative. No outcome is guaranteed. |
| Affiliate links | We may earn commission on some purchases at no extra cost to you. It does not determine our recommendations. |
| Advertising | Placed automatically by third parties, including Google. Not endorsed by us. |
| External sites | Not under our control; we are not responsible for them. |
| Liability | Use at your own risk; limits are set out in the Terms of Service. |
Particular cautions
Refrigerant handling, combustion equipment, electrical work and building-code compliance are regulated and hazardous. Nothing here is installation or repair instruction, and a licensed HVAC contractor’s inspection and your local code, not an article, define what is safe for your building.
Disclosure of material connections
In line with the Federal Trade Commission’s Endorsement Guides (16 CFR Part 255), we tell you when a link may earn us a commission. We do not accept payment for favourable coverage, and sponsored articles are not published here.
Corrections
If something is inaccurate, tell us through the contact form and cite a source. We will verify it and amend the article.