Contact

Tell us what needs attention.

We welcome correction reports, source suggestions, privacy requests and general editorial feedback.

What to include

Please identify the page and clearly describe the correction, privacy question or editorial issue. Do not send passwords, payment details, government identifiers, medical information or other sensitive data.

What we can answer

We can explain our editorial process, review a reported factual issue and answer questions about disclosures or privacy practices. We cannot inspect your property, approve a specific installation or provide emergency or project-specific engineering advice.

Business inquiries

Potential commercial relationships must be identified clearly. Payment does not guarantee editorial coverage or a favorable conclusion, and undisclosed link placements are not accepted.