IECC 2021 · Model
Chapter R4: Residential Building Envelope
4 sections in this chapter of the IECC 2021 model text — not Model's amended edition.
R403.10 Energy consumption of pools and spas The energy consumption of pools and permanent spas shall be controlled by the requirements in Sections R403.10.1 through R403.10.3.
- R403.10Energy consumption of pools and spas
- R403.8Systems serving multiple dwelling units
- R403.9Snow melt and ice system controls
- R404.2Interior lighting controls
The full text is for BuildSpec members
Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.
- Full text of every section in this chapter
- Plain-English summaries and cross-references
- Compare this chapter across jurisdictions
- Ask Code AI about any section, with citations
Our previews are real data — live counts, no placeholders. We publish our error log →