Practical Home Performance Practical Home Performance
Topics Videos Blog About FAQ
Start here
Topics Videos Blog About FAQ Start here
Blog

Field notes and deep dives.

Longer, sourced write-ups on the building science behind home performance. No fluff, full citations.

Illustration of energy and pressure imbalances driving air movement through a home
April 1, 2026

Pressure Imbalances: The Invisible Energy Forces That Move Air Through Buildings

Stack effect, wind, and duct leakage push air through a house whether you plan for it or not. Understanding those forces is the difference between guessing and actually fixing a home.

Read the article →
Rigid metal ductwork and flexible ductwork side by side in an attic installation
February 19, 2026

Rigid vs Flex Duct: Why Your HVAC Lives or Dies by the Duct System

A little sag, a tight bend, or a crushed run of flex can quietly cost you more cooling energy than any equipment upgrade. Here is what the lab data actually shows.

Read the article →

No articles match that search.

Try a different keyword or clear the topic filter.

Practical Home Performance Practical Home Performance

Field-tested, no-sales-pitch guidance on making homes perform better. Written by Jeff Haag.

Topics
InsulationAir sealingHVAC & heat pumpsSolar
More
BlogAbout JeffFAQVideosFind a Pro
Connect
SubscribeContactYouTube
© 2026 Practical Home Performance. All rights reserved.
Privacy Terms Affiliate Disclosure Disclaimer Copyright