Weatherstripping Kit
Seals door and window frames. Cost: ~$15. Saves: $50–$100/year.
Weatherstripping Kit for Doors & Windows
$15
Self-adhesive · Seals gaps · Saves $50-100/year
View on Amazon →If your December electric bill makes you gasp, you're not alone. The average household spends 30-40% more on electricity in January than in September. Most of that spike comes from two invisible problems: thermal leaks and HVAC inefficiency.
Your home could have 5 to 15 invisible drafts that let heated air escape. Common leak points:
These leaks can cost you $200–$500 per year in wasted heating. A quick thermal leak audit finds them all in under 90 minutes.
An inefficient HVAC system raises your bill even when your home is sealed. Common culprits:
Our Climate Calibration guide shows you how to solve each problem.
Seals door and window frames. Cost: ~$15. Saves: $50–$100/year.
Weatherstripping Kit for Doors & Windows
$15
Self-adhesive · Seals gaps · Saves $50-100/year
View on Amazon →Blocks drafts under exterior doors. Cost: ~$10. Takes 5 minutes to install.
Reduces heat loss through windows by up to 25%. Cost: ~$40.
Thermal Insulated Blackout Curtains
$40
Blocks 25% heat loss · Blackout · Noise reducing
View on Amazon →Weatherstripping + door sweep + thermal curtains = $65 total investment
Typical winter savings = $150–$250
Payback period: 2–4 weeks
For a deeper analysis, explore our Thermal Leaks and HVAC Calibration solution pages.
Certified Home Energy auditor & HVAC Specialist
Specializing in thermal leak detection and high-ROI energy upgrades. Our guides are based on U.S. Dept. of Energy standards and real-world data from 10,000+ home assessments.
Find $680-$1,600/year hiding in your utility bills. Delivered instantly.
