
Geothermal Energy: The Cozy Solution for Powering upcoming AI’s Hungry Data Center needs
Geothermal energy could help power AI data centers with clean, around-the-clock electricity. Learn how it works, who is using it, and the challenges ahead.

Geothermal energy could help power AI data centers with clean, around-the-clock electricity. Learn how it works, who is using it, and the challenges ahead.

In 2024 the U.S. added a record 30 GW of utility-scale solar, 61% of all new power capacity. What drove the solar boom and what it means for your home now.

Switch to rechargeable batteries for your gadget drawer. Learn which AA and AAA batteries to buy, how to pick a smart charger, and how to recycle old ones.

How to use a free weather app to time your energy use: check the hourly forecast, pre-cool or pre-heat early and shift chores away from 4 to 9 p.m. peak hours.

Set up an offline smart thermostat you actually own with Home Assistant and a local Z-Wave, Zigbee or Matter thermostat. No cloud, no subscription.

How to install a DIY window film kit as a renter: get landlord OK, pick a removable static-cling film, and apply it with soapy water and a squeegee.

Draft-proof your mail slot or cat door yourself with a brush guard, magnetic flap or weatherstripping. Simple steps to stop cold drafts and cut heating waste.

How to switch to reusable HVAC air filters: measure, buy the right washable filter, install it correctly, clean it monthly, and know the tradeoffs.

Set a monthly reminder to check and replace your furnace filter. Find your filter size, pick a filter, and build a five-minute habit that cuts energy waste.

How to reverse your ceiling fan direction for winter: switch it to clockwise on low speed to push warm air down from the ceiling and feel cozy at a lower setting.



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The Wann Heritage Foundation /d/b/a The Accessible Sustainability Alliance is a 501(c)3 non-profit organization dedicated to making sustainable living accessible to everyone. We evaluate new, cost-effective, sustainable, and energy-efficient consumer alternatives, providing unbiased information and resources to help consumers make informed daily choices.