Insulation Guides
Plain-English answers to the most common insulation questions — from R-value targets to rebates to comparing materials.
Insulation cost calculator
Estimate installed cost for attic blown-in, spray foam, crawl space encapsulation, wall retrofit, and removal — with regional pricing and the federal 25C tax credit factored in.
Open the calculator →Rebates
8 min read
The 25C Energy Efficient Home Improvement Credit: Insulation Tax Credit Guide (2026)
The federal 25C tax credit puts 30% of your insulation and air-sealing costs back in your pocket — up to $1,200 per year. Here's exactly what qualifies, what doesn't, and how to stack it with state and utility rebates for the biggest possible refund.
6 min read
Insulation Rebate Directory: Federal, State, and Utility Programs
A single reference page for the incentives that actually reduce insulation project cost. Bookmark it — programs move quickly.
Buying Guide
7 min read
How Much Attic Insulation Do I Need? (R-Value by Zone)
The Department of Energy recommends R-49 to R-60 for attics in most of the U.S. Here's how to translate that into inches of insulation and a project budget.
6 min read
10 Signs Your Home Needs New Insulation
Most homes built before 2010 are under-insulated by today's standards. Watch for these ten signs that your insulation is past its prime.
6 min read
Best Insulation for Crawl Spaces
Crawl spaces are the #1 source of unwanted heat loss and humidity in many homes. Here's how to insulate them correctly — once.
5 min read
Soundproofing with Insulation: What Actually Works
Insulation alone isn't a soundproofing miracle, but combined with smart wall assemblies it'll cut noise transmission dramatically.
6 min read
Insulation for New Construction: Spec Checklist
Building new? Insulation is the cheapest energy upgrade you'll ever make. Here's how to spec it right the first time.
6 min read
Crawl Space Insulation Checklist: What to Inspect Before You Insulate
Insulating a crawl space before you fix the moisture and air leaks below it is throwing money away. Use this checklist before you sign a contract.
Cost
8 min read
Insulation Cost Guide: What to Expect in 2026
What you'll actually pay for insulation in 2026 — broken down by material, project type, and what's typically included in a quote.
5 min read
Insulation Rebates & Tax Credits for 2026
Insulation is one of the most heavily subsidized home upgrades in 2026. Here's every program homeowners should know.
Commercial
8 min read
Commercial Warehouse Insulation: Complete Guide
Warehouses and distribution centers are one of the largest energy loads in commercial real estate. Here's what to spec, what it costs, and what to ask contractors.
7 min read
Cold Storage Insulation: Freezers, Coolers, and Refrigerated Warehouses
Cold storage failures almost always trace back to two things: not enough R-value, and no plan for vapor drive. Here's how to spec both correctly.
6 min read
Metal Building Insulation: Systems That Actually Work
Metal buildings amplify heat, cold, and condensation. Here are the four insulation systems used in the field — with the pros, cons, and cost of each.
9 min read
Property Manager Insulation Planning Guide (Multifamily & Commercial)
Insulation is one of the highest-ROI capital improvements in property management — if it's scoped and sequenced correctly. Here's how experienced operators plan the work.