inhouseengineer.com
inhouseengineer.com is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-08-02 and last crawled it on 2026-08-08. It resolves to 104.21.36.240. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Free HVAC Calculators — Ductulator, PT Chart, AC Sizing
Free HVAC and building science calculators built and verified by a licensed PE: online ductulator, AC size chart, PT charts with R-454B and the A2L refrigerants, superheat and subcooling, psychrometrics, dew point, pipe friction loss and attic ventilation. Every tool states its method and shows its validation.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-02 |
| Last crawled | 2026-08-08 |
| IPv4 | 104.21.36.240 |
| IPv6 | 2606:4700:3033::6815:24f0 |
| Network | AS13335 Cloudflare, Inc. · United States |
| Language | en |
| Server | cloudflare |
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