Silo // Energy Efficiency & Cost Savings

How Insulation Reduces Energy Bills in Texas

The Very Good Home Company Engineering Team
February 15, 2026
6 Min Read

Texans use almost double the national average of electricity every year. It's not because we leave the lights on too long - it's because our air conditioners are fighting a losing battle against the Texas sun. Our analysis of 1.87 million DFW property records shows that nearly 59% of homes were built before 2000 — most with insulation well below today's standards. Understanding how insulation stops this energy bleed is the fastest way to drop your monthly Oncor bill.

The "Cooler" Analogy

Imagine a cheap plastic cooler sitting on the beach in August. The ice melts in 30 minutes. Now put that same ice in a YETI cooler with thick, dense walls. The ice lasts for days. Your AC unit is the ice. Poor insulation is the cheap plastic cooler. Upgrading your insulation turns your house into a YETI, so your AC doesn't have to constantly freeze new "ice" all day long just to keep up.

1. The 140°F Furnace Above Your Head

On a 105°F Dallas afternoon, the sun beats directly onto your dark roof shingles. This radiant heat passes straight into your attic space, rapidly heating the trapped air to 130°F or 140°F. Our DFW Attic Temperature Report documents real thermal measurements across the metroplex — confirming peak attic temperatures routinely exceed 145°F by mid-afternoon. If you have thin, flattened 1980s pink fiberglass sitting on your attic floor, that massive wall of heat simply pushes downward through the sheetrock and directly into your living room.

The Threat

Compressor Burnout

Because heat is constantly leaking into your home, your thermostat never naturally reaches 72°F. Your AC compressor is forced to kick on and run continuously for 12 to 16 hours a day. Not only does this cause a massive spike in your electricity usage, but it cuts your $10,000 HVAC unit's lifespan in half.

The Extraction Solution

Thermal Blockade

By extracting the old, useless insulation and installing 13+ inches of modern blown-in material or applying a Radiant Barrier foil, we create a thermal blockade. Your AC cools the house down to 72°F at noon, shuts off, and the house stays at 72°F for hours because the attic heat cannot penetrate the new jacket.

Energy Waste
-30%
Reduction in HVAC run time
Annual Yield
Immediate monthly savings
Asset Lifespan
+5 Years
Added to your AC unit's life
The Bottom Line:

You are currently paying the electric company to cool down your burning hot roof. Upgrading your insulation keeps that expensive cold air safely inside your living space where it belongs.

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