Plan earlier to avoid redesign, coordination issues and permit delays. The 2026 Florida Building Code adds new efficiency- credit options, envelope testing, lighting and controls requirements, and a new performance-based path for selected commercial HVAC systems.
Effective December 31, 2026
The 9th Edition (2026) Florida Building Code.
These are the changes most likely to impact Florida builders, HVAC contractors, architects, engineers and homeowners.
Expanded and restructured efficiency-credit options may affect project strategy
Air-leakage testing adds new coordination and verification requirements.
Updated lighting provisions increase emphasis on controls and efficiency.
Documentation
Commercial HVAC systems require closer attention to controls, coordination and
documentation.
A Total System Performance
Ratio path adds a performance based HVAC compliance option for certain projects.
A simple overview of the key steps for 2026 commercial compliance.
Confirm building type, size and scope to determine applicable requirements.
Determine whether the prescriptive path or performance path applies.
Evaluate efficiency credit options or the TSPR performance option, as applicable.
Integrate envelope testing, lighting provisions and HVAC controls early in the design process.
Finish required testing, reports and documentation for permit submittal.
Applies state wide across Florida commercial projects
Requirements vary by building type, system design and chosen compliance path.
Calcs-Plus provides Florida commercial energy calculations, HVAC system design support, mechanical plans and related building-performance documentation.
Our team helps contractors, designers and owners navigate the 2026 Energy Code requirements with coordinated documentation and practical project support.
Calculations
Design
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