An infrared thermometer finds drafts one spot at a time; a thermal camera scans a whole wall. Compare cost, accuracy and where readings mislead you.
Infrared Thermometer to Find Drafts vs Thermal Camera Read Post »
Learn how to find air leaks in house with a smoke pencil, incense stick and window fan test, then know when a professional blower door audit is worth it.
How to Find Air Leaks in House (Smoke Pencil Test) Read Post »
A blower door test explained: what CFM50 and ACH50 mean, what a good score looks like, and how to read your report without guessing.
Blower Door Test Explained: What the Number Means Read Post »
Run a DIY home energy audit with tools you already own. Find air leaks, weak insulation and duct losses before you call a pro or buy materials.
DIY Home Energy Audit: Find Where Your House Loses Heat Read Post »
What hurts people in attics: heat, a foot through the ceiling, live wiring, hot flues and old insulation. The checks before you climb and when to stop.
Attic Safety Tips for DIY: Heat, Footing, Wiring Read Post »
Most old attic insulation can stay. How to tell failed insulation from thin insulation, what removal involves, and when to stop and call a pro.
When to Replace Attic Insulation: Wet, Flat or Soiled Read Post »
Which insulation for a hot attic floor, a closed wall, a noisy room or a damp basement. How the three fibers differ, no brands, no invented figures.
Fiberglass vs Cellulose vs Mineral Wool: Pick by Problem Read Post »
Kraft facing up or down? Which side a vapor retarder goes on depends on your climate zone. What the 2021 IRC says, and when to skip one.
Vapor Barrier Insulation: Which Side, by Climate Zone Read Post »
Dense-pack and injection foam fill closed walls through small holes. What the work involves, the checks before drilling, and why it is a contractor’s job.
Insulate Existing Walls Without Removing Drywall Read Post »
What really drives attic insulation cost, when DIY holds up, and when hiring is the better spend. Factors, not made-up dollar figures.
Attic Insulation Cost: DIY vs Professional, by Factor Read Post »
What to own, rent or borrow before an attic insulation job, why each item is on the list, and the protective gear that is not optional. No brands, no prices.
Pick an air sealing product by gap width, movement and location, not by brand. Gap sizes from ENERGY STAR, joint depth rules, and the flue exception.
Caulk, Foam or Backer Rod: Matching Sealant to Gap Read Post »
