Silo // The Dangers of DIY & Scams

The "Free Insulation Assessment" Scam Exposed

The Very Good Home Company Engineering Team
March 22, 2026
5 Min Read

The insulation industry in Texas is plagued by door-to-door sales teams offering "Free Attic Energy Assessments." While professional BPI audits are critical engineering tools, these free walk-throughs are sophisticated sales funnels designed to panic homeowners into immediate, high-margin contracts.

The Playbook

  • The Prop: The salesman climbs into your attic with a cheap hardware-store thermal gun. They inevitably point it at the uninsulated roof deck in August and declare, "It's 145 degrees up here! Your house is on fire!" This is a manipulation of physics; every vented Texas attic hits 140°F. It is functioning as intended.
  • The Diagnosis: They declare your existing insulation is "contaminated" or "settled beyond repair," without measuring the actual R-Value depth or conducting an ACH50 Blower Door test to prove air leakage.
  • The Trap: They present a high-pressure contract for $8,000 to "install spray foam today" to save you from imminent HVAC failure. They rely on fear of the unknown.

How to Verify Legitimacy

A real Energy Engineer does not use fear; they use data. Demand the following three metrics before signing any contract:

  • 1 Blower Door CFM Reduction Target: They must prove exactly how much air your house currently leaks, and guarantee an exact reduction number after sealing.
  • 2 Pre- and Post-CAZ Testing: A mandatory safety test ensuring their air-sealing will not trap Carbon Monoxide inside your home.

Stop Reading. Start Fixing.

Your house won't fix its own thermal leaks. Schedule a complimentary diagnostic sweep and see exactly where your HVAC is bleeding cash.

Deploy Thermal Audit