Reports and Calculations

The report is the document your building department asks for, and the calculation behind it is where design choices show up. These pages explain what is in the report, how it is produced, what it costs and how long it takes.

Title 24 Reports

What the report is, what you receive, how to read one, how long it stays valid and how to find or reuse a copy.

• Title 24 Report
• 10 Title 24 Myths, and the Code Sections That Settle Them
• The Title 24 Timeline: From Sketch to Final Inspection
• How to Find a Copy of Your Title 24 Report
• Title 24 Report Example
• Remodeling a Condo: Title 24 for Unit Owners

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Energy Calculations

How the energy model works, which inputs matter, what software is used and what a calculation needs from your plans.

• Title 24 Calculations
• Is There a Title 24 Calculator?
• What Software Is Title 24 Compliance Done In?
• The Title 24 ACM Reference Manual, Explained
• Title 24 HVAC Load Calculations
• How Are Title 24 Energy Calculations Done, Step by Step?

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Performance Calculations

The performance method compared with the prescriptive path, the compliance margin and how trade-offs are modelled.

• Prescriptive vs Performance Compliance
• Why Did My Project Fail Title 24? How to Read a Failing Result
• What Is the Title 24 Energy Budget? LSC, Source Energy and the Old TDV
• Efficiency LSC vs Total LSC: Why Solar Cannot Fix a Failing Efficiency Result
• How Much Compliance Margin Should I Keep Before Construction?
• What Does Compliance Margin Mean on a Title 24 Report?

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Report Cost and Pricing

What drives the price of a report and how cost compares across project types.

• How Much Does a Title 24 Report Cost?
• How Title 24 Decisions Shape a Construction Budget
• How to Compare Two Title 24 Report Quotes
• How Much Does a Residential Title 24 Report Cost?
• Which Square Footage Counts for a Title 24 Report and Its Price?
• What Else Do You Pay For Besides the Title 24 Report?

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Report Turnaround

How long a report takes, what slows it down and how rush delivery works.

• How Long Does a Title 24 Report Take?
• 15 Title 24 Mistakes That Trigger Plan Check Corrections
• How Long Is a Title 24 Report Valid?
• How Long Does a Revised Title 24 Report Take, and What Else Has to Follow?
• How Long Does a Residential Title 24 Report Take?
• Can You Get a Title 24 Report in 24 Hours? What a Rush Covers and What It Cannot Speed Up

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Permit-Ready Reports

What to have ready before ordering and what a plan checker expects to see with the permit submittal.

• Title 24 Checklist: What to Have Ready Before You Order
• What Must the Plan Set Show for Title 24?
• What Is a Title 24 Compliance Letter?
• 12 Things to Know Before Ordering a Title 24 Report
• What Does "Permit-Ready" Mean for a Title 24 Report, and What Does It Not Promise?
• 2025 Residential Mandatory Measures: A Section 150.0 Checklist

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