Insulation in Fullerton - Same-Day Service, Done Right the First Time
We provide fast, reliable, and affordable insulation services across Fullerton to keep your home safe and running. Licensed, insured, and trusted by local homeowners.
What Our Customers Are Saying
"Radiant barrier and new insulation in one visit. Walt explained what the foil actually does and what it does not, which nobody else bothered to. Electric bill in July was the lowest it has been in this house."
"We had the walls of our old house filled with foam through small holes from the outside. Patched and painted the same afternoon. The bedrooms hold heat now and the furnace runs a lot less."
"Walt came out himself, stuck his head in the attic, and told me I had about four inches where I needed fourteen. No sales pitch, just the number and what it would cost to fix it. Crew was here two days later."
Areas We Proudly Serve
Serving Fullerton, CA - Our Local Coverage Area
We're based in the Fullerton area and know this community well. Use the map below to see our service coverage - if you're nearby, we can almost certainly help.
Our Simple 3-Step Process
Request Service or Call Us
Call us or send a quick message. Tell us your insulation issue and we'll schedule a convenient time.
Inspection & Free Estimate
Our technician arrives on time, inspects the problem, and gives a clear, upfront estimate with no hidden fees.
Fast Repair on the Spot
We fix the issue quickly using high-quality parts and proven techniques - working like new before we leave.
Don't let a broken insulation slow you down. Contact Walt's Insulation today and our experts will handle everything - from diagnosis to repair, quickly.
Call (657) 216-9948
At Walt's Insulation, we specialize in fast, reliable, and affordable insulation services for homeowners and businesses.
About Us
Request Your Free Estimate
Prefer to talk now? Call us directly - we answer fast and dispatch even faster. No obligation, no sales pitch.
Call or Text(657) 216-9948Request A Free Quote
Insulation Service Across the Fullerton Area
We Are the Fullerton Team for Walt's.
Walt Brenner sticks his own head in the attic before he quotes anything, and tells you the depth you have and the depth you need in inches, not adjectives. He has talked more customers out of spray foam than into it. The written price is the price, the crew's van has his name on it, and he still answers the phone himself - including when somebody texts him a moisture reading from a crawl space he did six years ago.
Same training, same parts, same pricing practice, and the same 90-Day Done Right Promise - delivered by people who live here.
Visit Walt's →Part of the Locally Family.
Locally is a family of home-service brands held to one written standard, and Walt's is the insulation company in it. One promise stands behind every trade, in every town.