Insulation Services in Waco & Central Texas
Attic, spray foam, cellulose, walls, air sealing, and energy audits — done right, priced upfront, backed by a Comfort & Efficiency Guarantee · 5-Year Workmanship.
BPI-aligned · Bonded & insured · 3,200+ homes insulated
Our Insulation Services
Professional ThermoShield Insulation service — flat-rate pricing, done right.
Attic Insulation
R-value top-ups and full attic installs sized for Texas heat — cellulose, fiberglass, or hybrid packages.
Spray Foam
Open- and closed-cell spray foam for attics, crawlspaces, and rim joists — air seal and insulate together.
Blown-In Cellulose
Dense, even attic coverage that settles into gaps — fire-resistant and sound-dampening.
Wall Insulation
Dense-pack cellulose for exterior walls — quieter rooms and fewer drafts without a full remodel.
Air Sealing
Seal attic penetrations, can lights, top plates, and ducts so insulation can actually perform.
Energy Audits
Walk-through assessments and prioritized recommendations so you invest where it pays back.
Why Homeowners Choose ThermoShield
There's no shortage of insulation companies in Waco. Here's why thousands of homeowners call us first.
Flat-Rate Written Quotes
Firm price before we load a hose or open a bag. No hourly billing, no surprise add-ons mid-job.
BPI-Aligned Installers
Every installer is BPI-aligned, bonded, and insured. No unlicensed freelancers in your attic.
Locally Owned Since 2012
Founded in Waco by Brooke Lang. Every decision is made locally — not by a distant franchise office.
Comfort & Efficiency Guarantee
5-Year Workmanship on every install. If our work fails, we make it right.
Service Questions
Common questions from Waco homeowners and businesses.
Request a Free Insulation Quote
What service do you need?