Upload your cut sheet or AHRI certificate. We'll tell you instantly whether your unit meets Houston's 2021 IECC minimum efficiency requirements.
Not sure? Most commercial rooftop replacements are Package Units (RTUs).
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Best results with a single-unit distributor quote or AHRI certificate. Full product catalogues may contain multiple models.
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Model Number
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| Metric | Your Unit | Required Min | Margin |
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Checks against Houston 2021 IECC Climate Zone 2a minimums. For official compliance, a licensed PE must review and stamp the COMcheck.
Instant answers on Houston commercial HVAC permit requirements — cited from official sources.