Demilec Home Energy Audit Nationwide | Walt’s Insulation

Demilec Home Energy Audit in Pasadena: What to Know First

A Demilec home energy audit in Pasadena tells you exactly where your spray foam is doing its job and where it’s quietly failing. We perform independent Demilec home energy audits across Pasadena, Altadena, and San Marino with most inspections completed in about two to three hours, followed by a plain-English report within two business days. Energy audits are priced up front, and if you already have a written estimate from another company, we’ll give you a free second opinion, no strings.

Call (626) 606-2964

This page is for Pasadena homeowners who have Demilec spray foam in their walls or attic and want to know whether it’s still performing. If your energy bills have crept up, if rooms feel drafty despite the foam, or if you just bought a house with Demilec already installed and want real numbers on its condition, call us at (626) 606-2964. A live person picks up. That’s not a recording, not a call center. It’s one of us.

Key Takeaways

• We’re an independent Demilec service provider in Pasadena, not a manufacturer rep or authorized dealer.
• Most audits take 2-3 hours on site with a written report in about two business days.
• You’ll get actual diagnostic data: blower door numbers, thermal imaging, duct leakage rates.
• Free second opinion on any written estimate, and no trip charge inside our service county.

How Demilec Products Fail in Pasadena, and What an Audit Catches

Demilec makes solid spray foam. But Pasadena’s climate, specific heat, dry air, older housing stock, does things to foam that the product data sheets don’t talk about. Here’s what we actually find when we audit Demilec installations in this area:

• Heatlok HFO shrinkage at wall-to-ceiling transitions. Demilec’s Heatlok HFO is a closed-cell foam common in Pasadena additions and remodels. In homes with big temperature swings between attic and living space, we see the foam pull away from framing at the top plates, leaving hairline gaps that let conditioned air bleed into the attic. A blower door test makes these leaks obvious. The fix is usually targeted air sealing at the gaps, not a full re-spray.
• Sealection 500 open-cell moisture retention in older Pasadena crawl spaces. Sealection 500 is open-cell, which means it can hold water. In Pasadena homes built before modern crawl space vapor barriers were standard, ground moisture wicks up and saturates the lower band of foam. Thermal imaging picks this up as cold spots that shouldn’t exist. If the foam is saturated, we recommend removing the affected section, addressing the moisture source, and re-spraying or switching to a closed-cell product for that area.
• Mis-applied Demilec foam around recessed lighting in mid-century Pasadena ranches. We audit plenty of homes near the Rose Bowl and up into Altadena with original can lights. If foam was sprayed directly over or too close to non-IC-rated fixtures, you have a fire hazard wrapped in insulation. This is one reason we always run a thermal scan during an audit, it shows hot spots behind foam that shouldn’t be there. The fix is fixture replacement to IC-rated or installing proper clearances, then re-air-sealing.
• Demilec foam over old fiberglass in attics: the retrofit shortcut gone wrong. Some contractors spray Demilec foam over existing fiberglass batts to save on removal costs. It looks fine from below. But the foam doesn’t bond to the fiberglass, and in Pasadena attics that hit 140 degrees in August, the sandwich separates and sags. An audit catches this with thermal imaging and a visual inspection of the attic floor system. The proper fix is removing the failed assembly and reinstalling correctly.
• Batch-mix inconsistencies in Demilec Heatlok Soy installations from the mid-2010s. Foam is only as good as the day it was sprayed. We’ve audited Pasadena homes where the foam is brittle or has an off-ratio texture, indicating a mixing problem on install day. It still insulates somewhat, but it’s not hitting its rated R-value. Our audit includes a density check and visual texture assessment that Demilec’s own warranty department won’t do for you without a fight.

Our Demilec Home Energy Audit Process

Here’s what happens when you call us about a Demilec home energy audit in Pasadena:

1. 1
   You call (626) 606-2964. A real person answers, asks a few questions about your house, and schedules a time that works. You’re not leaving a voicemail and hoping.
2. 2
   We do a walkthrough first. We ask where the Demilec foam was installed, when, and by whom, if you know. We look at the attic access, crawl space entry, and any visible foam. This takes 15-20 minutes and tells us which diagnostic tools we’ll need.
3. 3
   Blower door test. We depressurize the house and measure total air leakage. This gives us a number, often expressed as ACH50, that tells us whether the Demilec installation is tight or leaking. Pasadena’s mild winters mean moderate leakage sometimes goes unnoticed for years, until the summer AC bills arrive.
4. 4
   Thermal imaging throughout the conditioned space. We scan walls, ceilings, floors, and attic transitions with an infrared camera. Gaps, voids, and moisture show up as temperature differences. For Demilec foam specifically, we’re looking for shrinkage lines, missed areas, and thermal bridging at studs.
5. 5
   Duct leakage testing when the HVAC runs through the attic or crawl space. In Pasadena, duct losses are one of the biggest hidden energy drains. If your Demilec work was done years ago but ducts were never sealed, the foam is doing half its job.
6. 6
   Written report and an honest recommendation. You get a plain-English summary with photos, the numbers, and what we’d fix first if it were our house. If nothing needs fixing, we tell you that too. Our work carries the Done Right Promise: if we fix something and it’s not done right, we make it right.

What Demilec Home Energy Audit Costs in Pasadena

A standalone Demilec home energy audit in Pasadena typically runs $295 to $495 depending on house size and the number of systems we’re testing. Here’s the honest breakdown:

• Blower door test only: $175-$250 for a typical Pasadena single-family home.
• Blower door plus thermal imaging: $295-$395. This is the most common package for Demilec owners.
• Full audit including duct leakage testing: $395-$495 for homes up to about 3,000 square feet. Larger homes or those with multiple HVAC systems run higher.
• Audit bundled with any repair work we do: we typically credit a good portion of the audit fee toward the repair.

What moves the price: attic access difficulty, crawl space conditions, house square footage, and whether we’re testing one HVAC system or three. You’ll know the number before we start. Call (626) 606-2964 for an exact quote, estimates are free.

Why Pasadena Homeowners Call Walt’s Insulation for Demilec Work

We’ve been doing this since 2000, and we’re still here because we show up when we say we will and we stand behind what we do. Walt Brenner built this company the old way: a real address, a real license number, and a phone answered by a real person 24/7. When you call at 9 p.m. on a Sunday because you smelled something odd near your attic foam, you get us, not a voicemail.

Our technicians are background-checked and uniformed. They know Demilec foam, and they also know Owens Corning, Rockwool, Icynene, Johns Manville, CertainTeed, Knauf, GreenFiber, and Reflectix, because Pasadena homes rarely have just one brand in them. If your Demilec foam needs a repair that’s more practical with a different material, we’ll tell you that straight. We’re the one down the road, and we plan on being here when you need us again.

We answer the phone live because your house doesn’t keep business hours, and neither do we.

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