Insulation in Garden Grove, CA
Crawl space encapsulation and vapor barrier installation in Garden Grove typically runs $3,200-$6,800 for a full encapsulation, with most slab-on-grade homes in the 1,100-1,600 sq ft range falling toward the lower end. Because Garden Grove’s post-war tract homes were built with minimal attention to the building envelope, we’re regularly called to address moisture migration through unsealed crawl spaces that compounds the city’s already significant cooling load. If you’re seeing musty odors, sagging insulation, or efflorescence on foundation walls, call (562) 418-5767 for a written price before any work starts.
Why Garden Grove Homes Are Different
Garden Grove’s residential landscape is dominated by post-war tract homes built from the mid-1950s through the 1970s, most of which were constructed with little to no wall cavity insulation under California’s then-permissive standards for mild climates. Because the city saw its fastest growth precisely during that low-insulation era, a contractor here is overwhelmingly likely to be retrofitting completely uninsulated 2×4 wood-framed walls on a concrete slab - a scope far more common here than in newer Orange County cities to the south.
The climate compounds the problem. Garden Grove sits far enough inland from the coast to lose much of the Pacific’s moderating effect, pushing summer highs into the low-to-mid 90s, while fall Santa Ana wind events can spike interior attic temperatures dramatically and reverse the benefit of any marine-layer cooling. In the dense residential blocks around the Little Saigon corridor, multi-decade homeownership has produced layers of DIY garage-to-bedroom conversions, each with its own insulation approach or none at all; a technician pulling permits here routinely uncovers three different insulation materials stacked in a single wall cavity, none of it meeting current California Title 24 R-13 wall minimums. Decades of unpermitted room additions and garage conversions create patchwork thermal envelopes with significant gaps and bypasses that standard retrofit scopes often miss.
Our Main Garden Grove Services
Most Garden Grove homeowners who call us start with attic work or whole-house dense-pack, but these three services handle the majority of local jobs:
Attic Insulation in Garden Grove
Attic insulation in Garden Grove almost always follows air sealing, not replaces it. We start with a blower-door test to establish your home’s leakage rate, then seal top plates, can lights, and duct boots before adding any new material. For the typical 1,200 sq ft tract home, this sequence prevents the common failure mode of insulating over a leaky attic floor. Attic Insulation in Garden Grove covers full scope and pricing.

Spray Foam Insulation in Garden Grove
Spray foam insulation in Garden Grove works best for conditioned attic conversions, unvented roof assemblies, and the irregular cavities left by decades of unpermitted additions. We use open-cell Icynene and closed-cell Demilec products, selected by application, with before-and-after blower-door documentation on every job. Spray Foam Insulation in Garden Grove details material selection and cost ranges.

Blown-In Insulation in Garden Grove
Blown-in insulation in Garden Grove remains the most cost-effective retrofit for attics with intact but inadequate existing insulation, particularly in the city’s single-story slab homes where access is straightforward. We use Owens Corning AttiCat or GreenFiber cellulose, blown to uniform depth with dammed edges at access points and full photo documentation. Blown-In Insulation in Garden Grove has complete specifications.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Crawl Space Encapsulation & Vapor Barrier in Garden Grove

Garden Grove’s slab-on-grade construction means true crawl spaces are less common than in cities with raised foundations, but where they exist - typically in post-1970 infill and in the elevated additions common near Bolsa Avenue - they’re almost always unsealed dirt-floored cavities with no vapor barrier and no perimeter drainage. The combination of clay-heavy soils and seasonal moisture migration through these unconditioned spaces produces the exact conditions that degrade floor framing and drive indoor humidity spikes during Santa Ana wind reversals. Crawl Space Encapsulation & Vapor Barrier covers our full protocol for homes with this construction type.
Crawl Space Vapor Barrier
Signs you need it
White efflorescence on foundation walls, musty odors rising through floor registers, or fiberglass insulation batts sagging and darkening from moisture absorption indicate an unsealed dirt floor is transmitting water vapor into the living space.
What it costs in Garden Grove
A 6-mil to 20-mil vapor barrier installation over dirt crawl space floors in Garden Grove typically runs $1,800-$3,400 depending on access constraints and whether piers require custom cutting and sealing.
How we do it
We remove degraded existing materials, grade the soil surface, lay overlapping polyethylene sheeting sealed at all seams and perimeter walls, and secure to piers with mechanical fasteners and mastic before photographing the completed barrier.
Crawl Space Encapsulation
Signs you need it
Standing water after rain events, visible mold on floor joists, or hardwood flooring cupping above the crawl space suggest the full envelope - walls, floor, and rim joist - needs sealing with conditioned air introduction.
What it costs in Garden Grove
Complete crawl space encapsulation in Garden Grove, including wall insulation, dehumidification, and sealed access, typically ranges from $3,200-$6,800 for homes under 2,000 sq ft with standard access.
How we do it
We install rigid foam board on foundation walls, seal the rim joist with closed-cell spray foam, lay a reinforced vapor barrier across the entire floor, install a dedicated dehumidifier with condensate pump, and provide before-and-after moisture readings.
What Crawl Space Encapsulation & Vapor Barrier Costs in Garden Grove
| Item | Typical range in Garden Grove |
|---|---|
| Vapor barrier (dirt floor, 6-20 mil) | $1,800 - $3,400 |
| Full encapsulation with dehumidifier | $3,200 - $6,800 |
| Rim joist sealing (spray foam, add-on) | $800 - $1,600 |
How long does crawl space encapsulation take in Garden Grove?
Most Garden Grove encapsulations finish in two to three days, with day one for prep and material installation and day two for dehumidifier setup and final sealing. Access through narrow side yards in the city’s denser neighborhoods can add a half day for material staging.
Will encapsulation fix my musty smell?
Yes, when the source is ground moisture vapor - encapsulation eliminates the humidity that feeds odor-causing microbial growth. If odors persist after encapsulation, we investigate secondary sources such as duct leakage or plumbing vents.
Radiant Barrier Installation in Garden Grove

Garden Grove’s inland position exposes attic spaces to more severe temperature swings than coastal Orange County, with fall Santa Ana events pushing sheathing temperatures past 150°F even when outdoor air stays moderate. For the thousands of uninsulated or under-insulated attics in the city’s 1955-1975 housing stock, radiant barrier installation addresses the dominant heat gain mechanism - radiant transfer from roof deck to conditioned space - without the structural loading of additional insulation weight. Radiant Barrier Installation details our full product line and performance documentation.
Attic Radiant Barrier
Signs you need it
A second-story bedroom that stays hot after sunset, ductwork in the attic that feels warm to the touch, or cooling bills that spike disproportionately during Santa Ana wind events suggest radiant heat transfer is overwhelming your existing insulation.
What it costs in Garden Grove
Attic radiant barrier installation in Garden Grove, applied to roof deck or truss bottom chords, typically runs $1,400-$2,800 for homes in the 1,100-1,600 sq ft range.
How we do it
We install perforated foil-faced radiant barrier either stapled to truss bottoms or sprayed with low-emissivity coating directly to roof sheathing, ensuring ventilation pathways remain unobstructed and photographing all attachment points.
Radiant Barrier & Ventilation
Signs you need it
Attic air temperature exceeding 130°F on mild days, bathroom fans that dump moist air into the attic, or soffit vents blocked by insulation indicate radiant barrier alone won’t solve the heat buildup without improved airflow.
What it costs in Garden Grove
Combined radiant barrier and ventilation correction in Garden Grove typically ranges from $2,200-$4,200, including baffle installation, vent screening, and balanced intake-exhaust verification.
How we do it
We install proper soffit baffles, verify net free ventilation area meets 1:150 ratio, apply radiant barrier, and measure attic temperature differential before and after work with data loggers left in place for 48 hours.
What Radiant Barrier Installation Costs in Garden Grove
| Item | Typical range in Garden Grove |
|---|---|
| Attic radiant barrier (foil or spray) | $1,400 - $2,800 |
| Radiant barrier with ventilation correction | $2,200 - $4,200 |
| Roof deck coating (low-e spray application) | $2,000 - $3,600 |
Does radiant barrier work with existing insulation?
Yes, radiant barrier complements rather than replaces insulation by blocking radiant heat transfer that fiberglass and cellulose don’t address effectively. In Garden Grove’s older homes with thin existing attic insulation, we typically recommend both.
How much will my attic temperature drop?
Properly installed radiant barrier reduces attic temperature 20-35°F during peak solar gain, with the greatest benefit in Garden Grove’s west-facing roofs and during Santa Ana wind events when ambient cooling disappears.
Insulation Removal & Replacement in Garden Grove

The patchwork of DIY additions and conversions throughout Garden Grove, particularly in the Little Saigon corridor and surrounding dense residential blocks, has left many attics and walls with multiple insulation generations - some contaminated, some compressed below functional R-value, some installed directly over unsealed air leaks. Insulation removal and replacement in this market is as much archaeological as technical: we regularly find vermiculite, rodent-affected batts, and fiberglass compressed to R-8 or below by decades of storage traffic. Insulation Removal & Replacement covers our full containment and disposal protocol.
Contaminated Insulation Removal
Signs you need it
Visible rodent droppings, urine staining on insulation surfaces, or a persistent ammonia odor in the attic indicates biological contamination that requires full removal, HEPA vacuuming, and antimicrobial treatment before new material goes in.
What it costs in Garden Grove
Contaminated insulation removal in Garden Grove, including bagging, HEPA vacuuming of the attic floor, and antimicrobial application, typically runs $2,400-$4,600 for a standard 1,200 sq ft attic.
How we do it
We establish negative air pressure with HEPA filtration, remove and bag all contaminated material, vacuum the entire attic deck to bare sheathing, apply botanical antimicrobial, and provide photo documentation of the cleaned cavity before any new installation.
Insulation Replacement
Signs you need it
Insulation settled below joist tops, water-stained batts from past roof leaks, or thermal imaging showing wall cavities with no visible insulation signature indicate the existing material has failed and needs complete replacement.
What it costs in Garden Grove
Full insulation replacement in Garden Grove, following removal and including air sealing and new blown-in or batt insulation to current Title 24 standards, typically ranges from $3,600-$6,200 for attics and $4,800-$8,400 for walls.
How we do it
We remove existing material, seal all accessible leaks with foam and caulk, install baffles at soffits, and blow new Owens Corning or GreenFiber insulation to uniform depth with depth markers every 300 sq ft.
What Insulation Removal & Replacement Costs in Garden Grove
| Item | Typical range in Garden Grove |
|---|---|
| Contaminated insulation removal (attic) | $2,400 - $4,600 |
| Attic insulation replacement with air sealing | $3,600 - $6,200 |
| Wall insulation replacement (drill & fill) | $4,800 - $8,400 |
Can you remove insulation with asbestos?
No, we do not handle asbestos-containing materials; if we suspect asbestos during assessment, we stop work and refer you to a licensed abatement contractor for testing and removal. We resume only after receiving written clearance documentation.
How long does removal and replacement take?
Most Garden Grove attic removals and replacements complete in two to three days, with day one for containment and removal and day two for sealing and new installation. Wall work adds one to two days depending on interior or exterior access method.
Attic Air Sealing in Garden Grove

Garden Grove’s post-war tract homes were built with minimal attention to the pressure boundary, and decades of unpermitted electrical and HVAC modifications have only increased the leakage paths through top plates, recessed can lights, and abandoned duct chases. Attic air sealing in this market consistently produces the single largest blower-door improvement per dollar spent - we’ve seen 4,200 CFM50 readings drop below 2,500 after sealing alone, before any insulation is added. Attic Air Sealing details our full sealing protocol and documentation standards.
Top Plate & Penetration Sealing
Signs you need it
Dust streaks around ceiling outlets, cobwebs concentrated at wall-ceiling joints, or rooms that pressurize when the central air runs indicate top plate gaps and wiring penetrations are leaking conditioned air into the attic.
What it costs in Garden Grove
Top plate and penetration sealing in Garden Grove, including all accessible wiring and plumbing penetrations in a 1,200 sq ft attic, typically runs $1,600-$2,800.
How we do it
We locate every top plate joint with blower-door-directed infrared, seal gaps with acoustical sealant and expanding foam, install fire-rated foam around electrical penetrations, and photograph each sealed location for the documented record.
Can Light & Duct Boot Sealing
Signs you need it
Recessed lights that flicker in high wind, attic air entering rooms through ceiling registers, or fiberglass batts pushed aside by air movement around duct boots indicate these fixtures are acting as uncontrolled exhaust points.
What it costs in Garden Grove
Can light sealing with fire-rated covers and duct boot sealing with mastic and mechanical fasteners in Garden Grove typically ranges from $1,200-$2,400 depending on fixture count and duct configuration.
How we do it
We install pre-formed fire-rated enclosures over each can light, seal with fire-resistant caulk, apply mastic to all duct boot connections, support flex duct to prevent future separation, and verify with blower-door subtraction testing.
What Attic Air Sealing Costs in Garden Grove
| Item | Typical range in Garden Grove |
|---|---|
| Top plate & penetration sealing | $1,600 - $2,800 |
| Can light & duct boot sealing | $1,200 - $2,400 |
| Full attic air sealing (comprehensive) | $2,800 - $4,600 |
Will air sealing make my house too tight?
No, we target reduction to mechanical ventilation standards, not below them, and we never seal combustion appliance zones without verifying adequate makeup air. In Garden Grove’s older homes, we typically find 35-50% excess leakage over code minimums.
Can air sealing reduce my energy bills?
Yes, air sealing typically reduces heating and cooling loads 15-25% in Garden Grove’s leaky tract homes, with the greatest savings in homes with ductwork in the attic where conditioned air was being lost directly outside.
Wall Insulation in Garden Grove

The defining characteristic of wall insulation work in Garden Grove is the near-certainty of finding empty 2×4 cavities in homes built between 1955 and 1975, when California’s energy code did not mandate wall insulation for the climate zone. Retrofitting these walls requires either interior or exterior access methods, and the choice is heavily influenced by the city’s density, the prevalence of stucco exteriors, and the layered renovation history that makes simple assumptions about cavity conditions unreliable. Wall Insulation covers our assessment protocol and access method selection.
Drill & Fill Wall Insulation
Signs you need it
Exterior walls that are cold to the touch in winter, rooms that never reach thermostat setpoint despite adequate attic insulation, or thermal imaging showing no insulation signature in wall cavities indicate empty 2×4 construction.
What it costs in Garden Grove
Drill and fill wall insulation in Garden Grove, with interior plaster repair or exterior stucco patching, typically runs $3,200-$5,800 for a 1,200 sq ft single-story home with full perimeter walls.
How we do it
We drill 2-inch access holes at stud bay spacing, verify cavity conditions with borescope inspection, blow dense-pack cellulose to 3.5 lbs/cu ft, and patch with matching texture and paint or stucco finish.
Injection Foam Wall Insulation
Signs you need it
Irregular cavity shapes from previous renovations, partial existing insulation that has settled, or exterior walls with multiple penetrations that would require excessive drilling for dense-pack indicate injection foam as the better fill method.
What it costs in Garden Grove
Injection foam wall insulation in Garden Grove, using slow-rise open-cell foam for complete cavity fill, typically ranges from $4,600-$8,200 for full perimeter treatment of a standard tract home.
How we do it
We access cavities through minimal exterior or interior points, inject slow-rise foam with real-time monitoring for complete fill, trim excess after cure, and verify density and coverage with thermal imaging from both sides of the wall.
What Wall Insulation Costs in Garden Grove
| Item | Typical range in Garden Grove |
|---|---|
| Drill & fill (dense-pack cellulose) | $3,200 - $5,800 |
| Injection foam (open-cell, full fill) | $4,600 - $8,200 |
| Exterior wall insulation (add-on with siding) | $6,400 - $11,200 |
Will drill and fill damage my walls?
Interior drill and fill requires patching 2-inch holes, which we match to existing texture; exterior methods require stucco or siding repair. We discuss both options during assessment and provide photo examples of completed repairs from similar Garden Grove homes.
How much energy will wall insulation save?
Filling empty 2×4 cavities in Garden Grove’s uninsulated tract homes typically reduces heating and cooling loads 20-30%, with the greatest benefit in west- and south-facing walls that receive direct solar gain during summer afternoons.
Attic Cleaning & Rodent Proofing in Garden Grove

Garden Grove’s mature tree canopy, density of single-story homes with accessible rooflines, and prevalence of unsealed attic penetrations create conditions where rodents establish persistent harborage in attics, contaminating insulation and compromising the air barrier. Our attic cleaning and rodent proofing work in this market almost always follows a pattern: evidence of entry, contaminated insulation, and a thermal envelope degraded by both biological activity and the air leakage paths rodents create and exploit. Attic Cleaning & Rodent Proofing covers our full remediation and exclusion protocol.
Attic Sanitizing & Decontamination
Signs you need it
Visible rodent droppings, compressed insulation trails, or a persistent organic odor detectable in living spaces below indicate active or recent infestation requiring full decontamination before any new work proceeds.
What it costs in Garden Grove
Attic sanitizing and decontamination in Garden Grove, including removal of contaminated material, HEPA vacuuming, and botanical antimicrobial application, typically runs $2,000-$3,800 for a standard attic.
How we do it
We remove all affected insulation, HEPA-vacuum the entire attic deck including joist bays, apply EPA-registered antimicrobial, and provide photo documentation of the sanitized cavity before any sealing or re-insulation work begins.
Rodent Proofing & Exclusion
Signs you need it
Scratching sounds in walls or ceiling, daylight visible through roof junctions, or gnaw marks on fascia boards indicate active entry points that will re-establish infestation even after cleaning if not permanently sealed.
What it costs in Garden Grove
Rodent proofing and exclusion in Garden Grove, including all accessible entry points from foundation to ridge, typically ranges from $1,400-$2,800 with one-year re-entry guarantee.
How we do it
We inspect the full building perimeter and roofline, seal all penetrations larger than 1/4 inch with rodent-proof materials, install hardware cloth over vents, and provide a written exclusion map with photo documentation of each sealed point.
What Attic Cleaning & Rodent Proofing Costs in Garden Grove
| Item | Typical range in Garden Grove |
|---|---|
| Attic sanitizing & decontamination | $2,000 - $3,800 |
| Rodent proofing & exclusion | $1,400 - $2,800 |
| Full attic restoration (cleaning + proofing + insulation) | $5,200 - $9,400 |
Do you use poison for rodent control?
No, we do not apply rodenticides; our approach is physical exclusion - sealing every entry point so rodents cannot re-enter. Poison creates additional contamination hazards in attic spaces and does not address the structural access that allows recurrence.
How do I know the rodents are gone?
We verify exclusion with interior inspection, exterior light-gap analysis, and optional motion-activated camera monitoring for two weeks post-sealing; our one-year guarantee covers re-entry through any point we sealed.
Home Energy Audit in Garden Grove

A home energy audit in Garden Grove provides the documentation that most of the city’s post-war homeowners have never had: a measured understanding of where conditioned air escapes, how insulation performs relative to current code, and which improvements produce measurable return. Given the layered renovation history and patchwork thermal envelopes common here, an audit is often the only way to sequence work correctly and avoid the costly error of insulating over unsealed leaks. Home Energy Audit details our full diagnostic protocol and deliverables.
Blower Door Test
Signs you need it
Rooms that never reach temperature, excessive dust, or energy bills that seem disproportionate to home size suggest envelope leakage that a blower-door test - a pressurization reading that shows, in one number, how much air your building envelope is losing - can quantify precisely.
What it costs in Garden Grove
A standalone blower-door test with written report in Garden Grove typically runs $350-$550, or is included at no charge when bundled with a proposal for recommended work.
How we do it
We install a calibrated fan in an exterior door, depressurize the house to 50 Pascals, measure CFM50 leakage rate, and use smoke pencils and infrared cameras to locate and photograph the dominant leakage paths for the documented record.
Thermal Imaging Inspection
Signs you need it
Cold spots on exterior walls in winter, hot ceiling patches in summer, or suspicion that previous insulation work was incomplete indicate thermal bridging or missing insulation that infrared imaging reveals without destructive investigation.
What it costs in Garden Grove
Thermal imaging inspection in Garden Grove, including full interior and exterior scan with annotated images, typically ranges from $280-$450 as a standalone service or included with comprehensive audit packages.
How we do it
We conduct interior scans with a 20-degree temperature differential minimum, exterior scans at dawn or dusk for best contrast, and provide digital images with temperature annotations and a written interpretation of each anomaly found.
What Home Energy Audit Costs in Garden Grove
| Item | Typical range in Garden Grove |
|---|---|
| Blower door test with written report | $350 - $550 |
| Thermal imaging inspection | $280 - $450 |
| Comprehensive home energy audit | $580 - $920 |
Will an audit tell me what to fix first?
Yes, our audit report ranks recommendations by cost-effectiveness using modeled savings based on your actual leakage rate and insulation levels, not generic estimates - so you know whether air sealing, insulation, or HVAC improvement delivers the fastest return in your specific home.
How long does a home energy audit take?
Most Garden Grove audits require three to four hours on site, plus one business day for report preparation; we schedule to capture adequate temperature differential, typically early morning in summer or late afternoon in winter.
Brands We Service in Garden Grove

We install and service materials from Owens Corning, Johns Manville, Knauf, Rockwool, CertainTeed, Icynene, Demilec, and GreenFiber - no proprietary product lock-in means we specify by application, not by supplier agreement. Our Los Angeles office stocks common batt, blown, and spray foam products for next-day deployment to Garden Grove jobs. our brands
Pricing for Insulation in Garden Grove, CA
| Service | Typical range in Garden Grove |
|---|---|
| Crawl space vapor barrier | $1,800 - $3,400 |
| Full crawl space encapsulation | $3,200 - $6,800 |
| Attic radiant barrier | $1,400 - $2,800 |
| Radiant barrier with ventilation | $2,200 - $4,200 |
| Contaminated insulation removal | $2,400 - $4,600 |
| Attic insulation replacement | $3,600 - $6,200 |
| Wall insulation replacement | $4,800 - $8,400 |
| Full attic air sealing | $2,800 - $4,600 |
| Drill & fill wall insulation | $3,200 - $5,800 |
| Injection foam wall insulation | $4,600 - $8,200 |
| Attic sanitizing & decontamination | $2,000 - $3,800 |
| Comprehensive home energy audit | $580 - $920 |
Prices in Garden Grove increase with access difficulty - narrow side yards that prevent standard material staging, homes with multiple unpermitted additions requiring custom scope, and the additional labor of working around mature landscaping common in the city’s older neighborhoods. Every job begins with a written price before any work starts, under Haven Standard Clause 1, with no change orders without written authorization.
Neighborhoods We Serve in Garden Grove

Our crews work throughout Garden Grove with dispatch coordinated from our Los Angeles office; most appointments are available within 48 hours and emergency calls are answered by a live person 24/7.
- Little Saigon / Bolsa Avenue corridor
- West Garden Grove
- Brookhurst Street corridor
- Stanton-adjacent neighborhoods
- Westminster border areas
Service Area - Cities Near Garden Grove
We serve Garden Grove directly and the surrounding Orange County communities where our crews are already working: Stanton, CA to the northwest, Anaheim, CA to the northeast, Westminster, CA to the southwest, and Orange, CA to the east. Scheduling is coordinated to minimize travel time and material staging costs for multi-day projects in adjacent cities.
Serving Garden Grove, CA - Our Local Coverage Area
We’re based in the Garden Grove area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Insulation in Garden Grove
Attic insulation replacement typically does not require permit in Garden Grove, but wall insulation, spray foam in conditioned attics, and any work involving structural modification or electrical relocation does. We pull all required permits as part of our scope and include permit costs in the written price.
We schedule most Garden Grove assessments within 24-48 hours of contact, with same-day availability for urgent conditions like active water intrusion or post-rodent contamination. A live person answers calls to (562) 418-5767 at any hour.
Yes, we provide the written scope, material specifications, and photo documentation that Garden Grove HOAs typically require for exterior work approvals, and we schedule around any architectural review timelines before work begins.
Call (562) 418-5767 for a free estimate with a written price before any work starts. Every job includes a Documented Photo Record and, on applicable work, before-and-after blower-door numbers so you can verify the performance change you paid for. Under our 365-Day Done Right Promise, if it’s not done right, we make it right.
What happens when you call
- 1A real person answersNo phone trees - talk to a local insulation pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically same-day.
- 4You approve before work beginsNothing starts until you say go.
What Garden Grove Customers Say
"Turned up on time, protected the hallway, and the written scope matched what was actually done."
- Bruno S."They air-sealed the attic floor before insulating and showed me the blower-door number before and after. The upstairs is finally the same temperature as downstairs."
- Marisol D."Two other companies quoted to blow more insulation on top of what was there. These were the only ones who said the existing material had to come out first, and explained why."
- Clifford E.