⭐⭐⭐⭐⭐ "Vent Wise upgraded our attic insulation and sealed air leaks. The house is quieter, more comfortable, and our bills dropped right away. Professional and tidy from start to finish!"
— Rebecca Doe
Increase comfort, cut energy bills, and seal drafts with expert insulation. Licensed & insured.
We insulate homes across Foggy Bottom - Washington with eco-friendly materials, meticulous prep, and airtight sealing that keeps conditioned air where it belongs. From removing contaminated insulation to installing fresh blown-in cellulose, fiberglass batts, or radiant barriers, our crews focus on efficiency, indoor air quality, and long-term performance.
We specialize in chemical‑free cleaning and fireplace safety.
Vent Wise provides complete attic upgrades in Foggy Bottom - Washington including insulation removal, air sealing, rodent barrier installation, blown-in cellulose, fiberglass batts, radiant barrier, vapor barriers, and insulation top-offs. We evaluate R-value, address ventilation, and ensure code-compliant protection against heat loss and summer heat gain.
Insulation removal • Blown-in cellulose • Fiberglass batts • Radiant barrier • Air sealing • Rodent proofing
Our before-and-after attic insulation projects in Foggy Bottom - Washington demonstrate tighter thermal envelopes, cleaner attics, and improved ventilation. We document insulation depth, vapor barrier installation, and air sealing so you can see measurable upgrades in comfort and efficiency.
Before & after results from real jobs
We combine building science expertise with premium insulation products to help Foggy Bottom - Washington homeowners lower energy bills, reduce noise, and protect against moisture. Every crew is trained on attic safety, blower door diagnostics, and proper ventilation to keep systems performing for years.
Trusted by homeowners & businesses across the Peninsula
Tell us about your attic concerns—hot rooms, drafts, pests, or high bills. We schedule convenient inspections, measure insulation depth, locate air leaks, and provide detailed estimates with rebate guidance.
Pick a date and time. We'll confirm and send a technician for a free estimate.
Use these specials toward insulation removal, blown-in upgrades, radiant barrier installs, or bundled duct sealing in Foggy Bottom - Washington. Ask about utility rebates and tax incentives that can stack with our promotions.
Grab a deal before the clock runs out
on $299+ orders
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on $499+ orders
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Our attic insulation process covers inspection, removal or prep, air sealing, installation, and final verification. We photograph progress, measure R-values, and review the improvements with you before we leave.
Pick your date and time.
We assess insulation, ventilation & leaks.
We air seal, install insulation & tidy up.
Energy check, photos & satisfaction.
See why homeowners in Foggy Bottom - Washington recommend Vent Wise for insulation upgrades—consistent temperatures, cleaner attics, and noticeable energy savings.
Browse our insulation projects—from rodent cleanup and air sealing to blown-in cellulose and radiant barrier installations. Each job in Foggy Bottom - Washington is documented so you can see the attention to detail.






Get quick answers about insulation materials, R-values, installation timelines, and ROI. We tailor recommendations for Foggy Bottom - Washington’s climate and building codes.
Trusted attic insulation specialists — installing blown‑in, batt, and radiant barrier solutions to reduce energy bills, improve comfort, and boost home value. Licensed, insured, and eco‑friendly.

We take pride in our insulation expertise. Our certified crews assess attic ventilation, air leakage, and existing R-values before recommending the ideal material—blown-in cellulose, fiberglass batts, spray foam, or radiant barrier. We protect your home, remove debris, and leave the space clean.
As a family-owned company, we value transparency and long-term comfort. Expect on-time arrivals, detailed reports, rebate guidance, and respectful service from start to finish.
We upgrade insulation throughout Foggy Bottom - Washington and surrounding Peninsula communities, coordinating with homeowners, contractors, and HOAs for efficient scheduling and code compliance.
Foggy Bottom - Washington • San Mateo • Palo Alto • Menlo Park • Mountain View • San Carlos • Belmont
High-performing attic insulation keeps conditioned air inside, shields against outdoor heat, and protects mechanical systems from temperature swings. It’s one of the quickest ways to lower energy costs in Foggy Bottom - Washington.
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