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HVAC
Reference for rooftop HVAC units: constant volume, VAV, and make-up air units.
Open Rooftop UnitHVAC
Reference for split system HVAC: components, sizing, and installation considerations.
Open Split SystemYour specific task is reference for rooftop hvac units: constant volume, vav, and make-up air units. Open the page, drop your input, get the result — typically under a second.
Your goal is reference for split system hvac: components, sizing, and installation considerations. 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. Rooftop Unit focuses on reference for rooftop hvac units: constant volume, vav, and make-up air units; Split System focuses on reference for split system hvac: components, sizing, and installation considerations. 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 Rooftop Unit and Split System work without signup. We only ask for an email if you decide to subscribe to a paid plan.