STOP
WASTING
ENERGY
Professional insulation installation that cuts your El Cajon energy bills by up to 40%. Same-day service available.
DISPATCH STATUS
El Cajon
La Mesa
Santee
Spring Valley
COMMON QUESTIONS
How long does insulation installation take?
Most residential attic insulation projects in El Cajon take 4-8 hours. Wall retrofits may require 1-2 days depending on square footage. We work efficiently to minimize disruption to your home.
What R-value do I need in El Cajon?
For El Cajon's climate zone, we recommend R-38 to R-49 for attics and R-13 to R-21 for walls to maximize energy efficiency. Our technicians assess your specific needs during the free inspection.
Do you remove old insulation?
Yes, we provide complete old insulation removal and disposal before installing new material, especially important for contaminated or compressed insulation. This ensures optimal performance of your new insulation.
Will insulation really lower my energy bills?
Absolutely. Proper insulation can reduce heating and cooling costs by 20-40% in El Cajon homes. Most customers see ROI within 2-3 years through lower utility bills.
CASE GALLERY
Real projects from El Cajon and surrounding areas
ATTIC RETROFIT
El Cajon • 2,400 sq ft • R-49 Blown-In
Replaced compressed R-19 with new R-49 cellulose. Customer reports 35% reduction in cooling costs.
WALL INSULATION
La Mesa • 1,800 sq ft • R-15 Batt
Complete wall cavity insulation for 1960s home. Dramatic improvement in temperature consistency.
COMMERCIAL DUCTWORK
Santee • 5,000 sq ft • Spray Foam
Sealed and insulated exposed ductwork in commercial space. Eliminated 30% energy loss.
HOW IT WORKS
CALL US
Speak with a technician, not a call center. We answer questions and schedule same-day visits.
FREE INSPECTION
We assess your current insulation, identify problem areas, and measure R-values.
CLEAR QUOTE
Upfront pricing with no hidden fees. We explain exactly what you need and why.
EXPERT INSTALL
Licensed crews complete the work efficiently. We clean up completely before leaving.
TRUST SIGNALS
FULLY LICENSED
Licensed and insured for your protection. All work meets California Title 24 standards.
LOCAL EXPERTS
Serving El Cajon since 2015. We understand local climate challenges and building codes.
GUARANTEED WORK
5-year installation warranty. If there's an issue, we fix it at no charge.
WHY CHOOSE OJ INSULATION?
No subcontractors—our trained crews handle every job
Free thermal imaging inspection to find hidden air leaks
Same-day service available throughout El Cajon area
Financing options for projects over $2,000
Energy rebate assistance—we help you maximize savings
Clean job sites—we protect your home and clean thoroughly
FROM-PRICING
Transparent pricing for El Cajon homeowners
ATTIC INSULATION
Blown-in cellulose or fiberglass
- R-38 to R-49 coverage
- Old insulation removal available
- Air sealing included
- Attic ventilation check
WALL RETROFIT
Injection foam or dense-pack
- Minimal wall penetration
- R-13 to R-21 coverage
- Exterior or interior access
- Patch and paint included
SPRAY FOAM
Open or closed-cell application
- Superior air sealing
- Highest R-value per inch
- Moisture barrier (closed-cell)
- Crawl space or attic
Final pricing depends on square footage, access difficulty, and material choice. Free quotes include thermal imaging inspection.
GET YOUR FREE QUOTEREADY TO SAVE?
Stop throwing money away on energy bills. Call now for same-day service in El Cajon.
(619) 440-4039Mon-Sun 8:00 AM - 10:00 PM • Average arrival time: 45 minutes