Energy Efficiency

8 independent, fact-checked articles about energy efficiency.

Whole-House Fans vs. Attic Fans: Do They Actually Reduce AC Costs?

These get marketed almost identically, but they solve different problems — and one of them can actually increase your electric bill if your attic isn't sealed well.

4 min read

Prioritizing Home Efficiency Upgrades by ROI: What to Do First

Air sealing pays back in months. Triple-pane windows can take 40 years. Here's how the major efficiency upgrades actually rank against each other on real payback time.

3 min read

How Much Does Air Sealing Actually Save? A Room-by-Room Leak Guide

Air leaks waste 25-40% of a typical home's heating and cooling energy. Here's where those leaks actually hide, ranked by impact, with real before/after numbers.

4 min read

ENERGY STAR Appliances: Which Upgrades Actually Pay for Themselves

ENERGY STAR appliances all save some energy, but the payback period ranges from under 2 years to over 15. Here's which upgrades are worth it now that the federal tax credit is gone.

4 min read

Duct Sealing: The Efficiency Upgrade Most Homeowners Skip

The average home loses 20-30% of its conditioned air through leaky ducts before it ever reaches a room. Sealing them often pays back faster than any other efficiency upgrade.

4 min read

Double-Pane vs. Triple-Pane Windows: Cost, R-Value, and Real Payback Compared

Triple-pane windows insulate better, but in most U.S. climates the math doesn't pencil out. Here's the real cost, R-value, and payback comparison — by climate.

4 min read

Cool Roofs & Reflective Roofing: Do They Actually Cut Cooling Costs?

Cool roofs can run 50°F cooler on a hot day and save 7-15% on cooling costs — but they can also raise your heating bill in cold climates. Here's when they make sense.

4 min read

Attic Insulation R-Values by Climate Zone: How Much Do You Actually Need?

Recommended R-values aren't one national number — they're set by climate zone, and a lot of homes are under-insulated relative to their zone's own standard. Here's how to check yours.

2 min read