Insulation guides, R-value explainers, rebate stacks, and assembly-specific deep dives from San Diego County's home insulation specialists.https://thermalprosd.com/en-ushttps://thermalprosd.com/blog/insulation-r-value-by-climate-zone/https://thermalprosd.com/blog/insulation-r-value-by-climate-zone/What R-value to target for attic, wall, and floor insulation across San Diego's climate zones. Real recommendations, not just code minimums.Tue, 12 May 2026 08:00:00 GMTr-valueattic insulationenergy savingshttps://thermalprosd.com/blog/mineral-wool-vs-fiberglass-batts/https://thermalprosd.com/blog/mineral-wool-vs-fiberglass-batts/Honest side-by-side comparison of mineral wool and fiberglass batt insulation. R-value, fire rating, sound performance, cost, and where each one earns its keep.Mon, 11 May 2026 08:00:00 GMTbatt insulationfiberglassmineral woolhttps://thermalprosd.com/blog/sdge-insulation-rebates-2026/https://thermalprosd.com/blog/sdge-insulation-rebates-2026/Federal 25C, SDG&E, HERO, and PACE — what insulation rebates and credits actually apply in San Diego in 2026, and how to stack them.Sun, 10 May 2026 08:00:00 GMTenergy savingsr-valueattic insulationhttps://thermalprosd.com/blog/title-24-insulation-requirements-san-diego/https://thermalprosd.com/blog/title-24-insulation-requirements-san-diego/What Title 24 actually requires for attic, wall, and floor insulation in San Diego. Climate zones, R-value minimums, and when the rules apply.Sat, 09 May 2026 08:00:00 GMTr-valueattic insulationenergy savingshttps://thermalprosd.com/blog/attic-insulation-removal-cost/https://thermalprosd.com/blog/attic-insulation-removal-cost/What insulation removal actually costs in San Diego — by condition, by attic size, and by contamination type. Honest ranges, no upsell.Fri, 08 May 2026 08:00:00 GMTinsulation removalrodent damagesafetyhttps://thermalprosd.com/blog/dense-pack-walls-retrofit/https://thermalprosd.com/blog/dense-pack-walls-retrofit/Dense-pack cellulose fills closed wall cavities through small drilled holes. How it works, what it costs, and when it's the right move for an older San Diego home.Thu, 07 May 2026 08:00:00 GMTwall insulationdense packretrofithttps://thermalprosd.com/blog/radiant-barrier-east-county/https://thermalprosd.com/blog/radiant-barrier-east-county/When a radiant barrier earns its keep in El Cajon, Santee, and Lakeside attics — and when it doesn't. Real numbers, San Diego specifics.Wed, 06 May 2026 08:00:00 GMTradiant barrierattic temperatureenergy savingshttps://thermalprosd.com/blog/garage-conversion-insulation-adu/https://thermalprosd.com/blog/garage-conversion-insulation-adu/How to insulate a garage conversion or ADU in San Diego — wall, ceiling, and door specs that pass plan check, and how the costs really break down.Tue, 05 May 2026 08:00:00 GMTgarageaduconversionhttps://thermalprosd.com/blog/crawlspace-insulation-san-diego/https://thermalprosd.com/blog/crawlspace-insulation-san-diego/How crawlspaces fail thermally in San Diego, what proper insulation looks like, and when full encapsulation is worth the upgrade.Mon, 04 May 2026 08:00:00 GMTcrawlspacevapor barrierrim joisthttps://thermalprosd.com/blog/insulation-removal-when-needed/https://thermalprosd.com/blog/insulation-removal-when-needed/Old attic insulation isn't always trash. A clear guide to when removal is necessary, when topping up is fine, and how to tell the difference.Sun, 03 May 2026 08:00:00 GMTinsulation removalrodent damagesafetyhttps://thermalprosd.com/blog/air-sealing-before-insulation/https://thermalprosd.com/blog/air-sealing-before-insulation/Insulation slows heat. Air-sealing stops the leaks that move it. The order matters — and skipping the seal is why so many insulation upgrades disappoint.Sat, 02 May 2026 08:00:00 GMTair sealingbuilding envelopeenergy savingshttps://thermalprosd.com/blog/r-value-explained-san-diego/https://thermalprosd.com/blog/r-value-explained-san-diego/What R-value actually measures, what California Title 24 requires, and what number you should target for your San Diego attic, walls, and crawlspace.Fri, 01 May 2026 08:00:00 GMTr-valueattic insulationenergy savingshttps://thermalprosd.com/blog/spray-foam-vs-cellulose-san-diego/https://thermalprosd.com/blog/spray-foam-vs-cellulose-san-diego/Honest comparison of spray foam vs. blown-in cellulose for San Diego attics. Cost per R-value, where each one wins, and which assemblies make the choice obvious.Thu, 30 Apr 2026 08:00:00 GMTspray foamblown-incellulosehttps://thermalprosd.com/blog/attic-insulation-cost-san-diego-2026/https://thermalprosd.com/blog/attic-insulation-cost-san-diego-2026/What attic insulation actually costs across San Diego County in 2026 — by R-value, by method, and by neighborhood. Real ranges, no salesy padding.Wed, 29 Apr 2026 08:00:00 GMTattic insulationr-valueenergy savings