Contact
Contact HVAC Calculator
Corrections, broken calculations, stale rates, source questions, and partnership inquiries. Concise reports get fixed fastest.
What to send
- Corrections: page URL, the exact number or sentence that is wrong, and the correct value with its source.
- Broken calculators: calculator name, the inputs you entered, what you expected, and what you got.
- Rate and source questions: utility or region, tariff or table name, and the data year you are comparing against.
- Partnerships: who you are, what you do, and what you propose, in a few sentences.
What happens next
Every message is read. Verified errors in calculators or content are corrected and noted on the page. Suggestions for new calculators or guides are logged against search demand and built when the evidence supports them. Please do not send account passwords or client personal information.