Contact

Email reaches a person. No contact form — email keeps a record you control.

Found an error?

[email protected] — treated as urgent. Include the page URL and, if you have it, the source you believe contradicts us. Confirmed errors are fixed with a visible note.

Privacy requests

[email protected] — anything under the privacy policy: advertising cookies, opt-outs, data questions.

Everything else

[email protected] — suggestions for guides, partnership and advertising questions, press.

What we can't do by email

Diagnose your HVAC system, your air quality, or your health. We can point you at the right guide and the right kind of professional — an HVAC tech for equipment, a clinician for symptoms.

Response times

Corrections first; everything else usually within a week. Independent publication, not a call center — but every message is read.