Desert Building Science, Plain English
The AZ Energy Auditor Blog
Real 2026 numbers, rebate math, and hot-climate diagnostics — written for Arizona homeowners who want to understand their bills, not just pay them.
Featured Guide
Arizona Home Energy Audits in 2026: Cost, Rebates & What the Thermal Camera Actually Finds
A complete 2026 guide to home energy audits in Arizona — what they cost, how APS, SRP, and the federal 25C credit pay you back, and exactly what the blower door and thermal camera reveal about why your bill is so high.
Why Is My Electric Bill So High in Arizona? 9 Causes an Audit Uncovers
Your Arizona electric bill keeps climbing even with a newer AC. Here are the nine most common causes an energy audit uncovers — from duct leakage to demand charges — and how to fix the right one.
APS vs SRP Rebates in 2026: Which Path Pays You More?
A clear-eyed comparison of APS and SRP energy-efficiency rebates in 2026 — how each program works, what they cover, why a professional audit is the gateway, and how the federal 25C credit stacks on top.
Blower Door Test Explained: What ACH50 Means for Your Phoenix Home
A plain-English guide to the blower door test — how it works, what ACH50 and CFM50 actually mean, why air leakage costs Phoenix homeowners so much, and where Arizona homes leak most.
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