Home Energy Guides
Step-by-step explanations with real numbers. Every guide links to a calculator so you can plug in your own.
Cheapest Ways to Lower Your Electric Bill
The lowest-cost, highest-impact changes you can make this week.
Read guideHow Much Does a Drafty Door Cost Per Year?
Real-world numbers for what a leaky door costs each winter.
Read guideHow Much Does a Dehumidifier Cost to Run?
Average watts, runtime, and monthly cost for typical units.
Read guideHow Much Does an Old Refrigerator Cost to Run?
Why pre-2000 fridges quietly add hundreds to your yearly bill.
Read guideMini Split vs Electric Baseboard Cost
How much a mini split heat pump saves over baseboard heat.
Read guidePropane vs Electric Heat Cost
Per-BTU cost comparison and when each fuel wins.
Read guideAttic Insulation Savings Guide
How much you save by going from R-19 to R-49 in your attic.
Read guideBasement Humidity Fix Guide
Step-by-step DIY plan to dry out a damp basement.
Read guideWeatherization Checklist for Homeowners
The complete top-to-bottom weatherization checklist.
Read guideAir Sealing Guide for Beginners
Where to seal first and what materials to use.
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