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HVAC
Reference for convectors: natural, forced, and in-floor convector heaters.
Open ConvectorYour specific task is reference for convectors: natural, forced, and in-floor convector heaters. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate cfm from air velocity and duct cross-section area. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Convector focuses on reference for convectors: natural, forced, and in-floor convector heaters; CFM Calc focuses on calculate cfm from air velocity and duct cross-section area. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Convector and CFM Calc work without signup. We only ask for an email if you decide to subscribe to a paid plan.