AtticShield.com • 2026 Insulation Guide 2026 Cellulose Insulation vs. Fiberglass Insulation: Which One Is Best for Your Attic? If you’re upgrading your attic in 2026, you’re probably stuck between two of the most common options: cellulose insulation and fiberglass insulation. Both can work beautifully—or underperform—depending on your attic layout, air

2026 Homeowner Guide • Attic Performance • Comfort + Savings Choosing the Right Attic Insulation in 2026 Choosing attic insulation in 2026 is not just about picking a material and “adding more.” The best insulation choice depends on your climate, your home’s layout, the condition of your existing attic (dust,

Attic insulation energy bills are one of the biggest hidden costs in most homes. If your home feels too hot in summer, too cold in winter, or your HVAC seems to run nonstop, your attic is often the real culprit. In this guide, we’ll break down exactly how attic insulation

Smart & Risky Paths in 2026: The Biggest Difference Between an RMO, a B Contractor, and a C-2 Insulation Contractor (Attics + Crawl Spaces) RMO vs B contractor vs C-2 insulation contractor is the #1 licensing question homeowners face in 2026 when hiring attic insulation or crawl space insulation in

The End of the Section 25C Tax Credit: Why It “Ends in 2026” & How to File If You Finished in 2025 Section 25C Tax Credit Ends in 2026: What That Really Means Publish Date: Dec 28, 2025 Reading Time: ~12–15 min Focus Topic: Section 25C tax credit For Homeowners

Clean HVAC Attic Connection: What Homeowners Miss Most homeowners think “clean HVAC” starts with a new filter and maybe a duct cleaning. But in real Southern California homes, your HVAC system can only stay as clean as the environment it pulls from and runs through. If your attic is dusty,

Attic Restoration vs Patchwork Repairs: Which One Actually Saves Money? If you’ve ever opened your attic access and thought, “We’ll just fix what we see,” you’re not alone. Most homeowners start with the same idea: plug one gap, replace a small section of insulation, spray a little disinfectant, and call

Selling a Home in Southern California? Fix These Attic Issues Before Your Buyer’s Inspection Why Selling a Home in Southern California Makes Attic Issues a Big Deal In Southern California, buyers (and their inspectors) don’t just look at the kitchen and the curb appeal—they look up. The attic is where

How Rodents Destroy Insulation R-Value (and What Homeowners Can Do About It) Rodents don’t just make a mess — they can quietly wreck the performance of your attic insulation. Here’s how mice and rats reduce R-value, raise energy bills, and create health risks… plus the proven steps to stop the

Section 25C Ending in 2026: What Homeowners Need to Know Section 25C ending in 2026 is why many homeowners are rushing to complete insulation, air sealing, and HVAC upgrades before 12/31/2025. If you’ve been hearing that the “25C tax credit is cancelled in 2026”, you’re not alone. Homeowners across Southern

Why Attention to Detail in Attic and Crawl Space Work Is What Sets AtticShield Apart When it comes to insulation, air sealing, and rodent proofing, most contractors are racing the clock. They rush in, spray foam, lay batts, and vacuum fast — all while ignoring the very structure they’re supposed

When it comes to protecting your home from extreme heat, pest invasions, energy waste, and outdated insulation, choosing the right contractor isn’t just a decision — it’s an investment in your property’s future. At AtticShield, we’ve proudly earned the trust of thousands of homeowners, property managers, real estate agents, and

Why You Shouldn’t Ignore IRS Form 5695 If you made energy-saving upgrades to your home — like attic insulation, duct sealing, or HVAC improvements — you may qualify for a federal tax credit. But to receive that credit, you must fill out IRS Form 5695: Residential Energy Credits. At AtticShield,

The Growing Debate Over Spray Foam in Homes Spray foam insulation is often marketed as the ultimate solution for home energy efficiency. It’s praised for its high R-value and air sealing capabilities. But when it comes to residential homes — especially in climates like Southern California — spray foam may

The Importance of Insulation Climate Zones in California When it comes to energy efficiency in California homes, no detail is more overlooked — or more critical — than your climate zone. From the cool breezes of San Diego to the snowy peaks of Mammoth Lakes, insulation requirements vary dramatically depending

Why Every California Homeowner Needs to Understand Title 24 If you live in California and plan to upgrade your home’s insulation, replace an HVAC system, remodel, or build new construction, you will need to comply with Title 24. Title 24 is California’s official energy code. It sets the rules for

Why IECC and ENERGY STAR Matter in 2025 and Beyond If you’re a homeowner upgrading your attic insulation, windows, HVAC system, or sealing air leaks, you’ve likely come across the terms IECC and ENERGY STAR®. You might have seen them on contractor websites, city permitting documents, or even on IRS

Why ENERGY STAR Matters in 2025 and Beyond Energy efficiency is no longer optional—it’s essential. Whether you’re trying to reduce monthly utility bills, claim a federal tax credit using IRS Form 5695, or increase the resale value of your home, ENERGY STAR is a name you need to know. But

Insulating your home is one of the best ways to reduce energy costs, improve comfort, and protect against heat, cold, and moisture—but not all insulation is created equal, and it matters where it’s installed. At Attic Shield, we specialize in attic insulation, but many of our customers ask: “What’s the

Why the Right Insulation Matters If you’re a homeowner in San Diego County, Temecula, Lake Elsinore, or anywhere in Southern California, you already know how important insulation is. It keeps your home cool during heatwaves, warm during chilly nights, and your energy bills under control year-round. But when it comes

If you’re a homeowner in San Diego County looking to upgrade your attic insulation, you’ve likely come across two of the most common materials on the market: cellulose and fiberglass insulation. While both are widely used in residential construction and retrofits, they have key differences in performance, material composition, installation

Climate Change is Here — and San Diego Homeowners Are Feeling It If you live in San Diego County, you’ve likely noticed something: the weather isn’t what it used to be. Summers are hotter. Heat waves last longer. Coastal breezes that once brought relief are less reliable, and wildfires seem

A Comprehensive Guide to California Contractor Law and Why General B Contractors Cannot Install Insulation In California, staying compliant with state licensing regulations is not optional—it’s the law. When it comes to insulation work, whether it’s blown-in, batts, radiant barrier, spray foam, or air sealing, the only legal way to

The Truth About RMO-Based Construction Companies—and Why It Matters for Insulation, Attic Work, and Beyond If you’re a California homeowner planning to upgrade your attic insulation, seal air leaks, or rodent-proof your home, the last thing on your mind might be how your contractor is licensed. But here’s the truth:

Form 5695 If you’re a homeowner looking to improve your home’s energy efficiency, now is the perfect time to take action. With rising utility costs and increasing awareness about sustainable living, upgrading your home’s insulation is one of the smartest and most impactful decisions you can make. But there’s even

A Complete Guide for San Diego Homeowners from AtticShield Have you ever walked into your living room and thought, “Why is it always hotter in here than the rest of the house?” Or maybe your bedroom feels freezing in the morning, even though the thermostat is set perfectly? You’re not

How AtticShield Helps You Improve Energy Efficiency, Air Quality, and Home Comfort When most homeowners think about upgrading their attic, insulation is the first thing that comes to mind. But did you know that air sealing and sanitizing are just as critical—especially in San Diego’s unique coastal climate? At AtticShield,