Resources
Guides, checklists, and building‑science insights
Use these practical resources to make confident HVAC decisions—from heat pump basics to ACCA Manual J/S/D and California Title 24 readiness.
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A clear path to better comfort and lower operating costs
If you’re planning an upgrade or troubleshooting comfort issues, these fundamentals help you understand what “right-sized” and code-aligned really mean.
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Design first, equipment second
Load calculations and duct design help prevent short cycling, noise, and uneven temperatures.
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Compliance without confusion
Know what documentation matters for California standards and Title 24-related workflows.
Resource library
Quick references you can use before a consultation, during design, or when comparing bids.
Heat Pump Buyer’s Guide
What to look for in efficiency, sizing, and controls—plus common pitfalls to avoid.
Manual J: Load Calculation Basics
Why square footage isn’t enough, what inputs matter, and how results guide equipment selection.
Manual S: System Selection
How capacity, airflow, and performance data are matched to your Manual J results.
Manual D: Duct Design Checklist
A practical checklist for duct sizing, layout, and balancing to improve comfort and efficiency.
Duct Leakage & Airflow Quick Check
Signs of leakage or low airflow—and what measurements confirm the root cause.
Title 24 Readiness
What to gather for energy compliance support: plans, equipment specs, and project details.
Bid Comparison Worksheet
A simple way to compare proposals beyond brand names—scope, design, and documentation.
Maintenance & Filter Schedule
Keep performance steady with a seasonal checklist for filters, coils, and airflow.