
Why Your Upstairs Is Hot Even With Good AC
From Crawl Space Ninja Show by Michael Church, Founder of Crawl Space Ninja
June 4, 2026 · 12 min · Season 2026 · Episode 10
About this episode
Michael Church explains the reasons why upstairs areas can be hot even with functioning AC and offers solutions for each issue.
Send us Fan Mail Is your upstairs always hot even when your AC is running? You're not imagining it — and your AC probably isn't broken. In this video, Crawl Space Ninja founder Michael Church explains the five real reasons your second floor stays hot all summer long, and exactly what to do about each one. We cover attic heat and radiant heat transfer, air sealing and the stack effect, leaky ductwork running through hot attics, poor attic ventilation, and HVAC airflow imbalance in two-story h...
People in this episode
Host: Michael Church
Topics covered
- home cooling
- HVAC
- attic ventilation
- air sealing
- ductwork
Keywords
- upstairs hot
- AC issues
- attic heat
- radiant heat transfer
- air sealing
- ductwork
- attic ventilation
More episodes of Crawl Space Ninja Show
- Radiant Barrier, Will It Fix a Hot Upstairs Room? · June 11, 2026 · 12 min
- The Biggest Crawl Space Lie Homeowners Still Believe · May 28, 2026 · 7 min
- Never Use 6 Mil Vapor Barrier in Crawl Space (Here's Why It Fails) · May 21, 2026 · 24 min
- Soft Floors and High Humidity? Your Crawl Space Has a Serious Problem · May 14, 2026 · 7 min
- I've Seen $15K in Mold Damage From "Code-Compliant" Basement Insulation (Do This Instead) · February 10, 2026 · 9 min
- Danger! Backyard Chicken Coop Deadly Fungus Threat (Histoplasmosis) · February 3, 2026 · 15 min
Explore listener stats, chart rankings, contacts and more on the Crawl Space Ninja Show podcast page.