GUIDE · Energy Efficiency
The Home Upgrades That Actually Cut Energy Bills
Ranked by payback period, not popularity.
James Fielding · August 5, 2026 · 2 min read
DIY & Home Improvement
Energy Efficiency
Everything the diy desk has published on energy efficiency — tested, measured and updated as products change.
Tested in this category
Independently scored
Google Nest Learning Thermostat (4th gen)
The most polished heating control, with scheduling that genuinely reduces runtime.
- Score
- 8.9 / 10
- Price band
- $250 – $300
Best for: Households wanting set-and-forget savings
Price band last checked 2026-08-11. Live pricing arrives with our retailer feed.
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