Skip to main content

E Komo Mai!

The Lōkahi FCU Energy Hub is a growing library of articles focused on energy efficiency and home comfort in Hawaiʻi. Explore practical guidance on reducing electricity use, understanding common efficiency metrics, comparing cooling and water-heating options, and finding available rebates and incentives. Our goal is to help you make informed decisions that support long‑term household savings.


Residential hillside homes in Honolulu, Oʻahu lit by late afternoon sun

Keep Your Home Cool in Hawaiʻi: Low-Cost Tips and Upgrades

Aerial view of a neighborhood in Pearl City, HI

HECO's May 2026 Rate Increase: Why Your Oʻahu Electric Bill May Feel Higher

Local mother and child playing with blocks on the floor in their living room

Which AC Is For You? A Practical Comparison of Different Types, Costs, and Considerations.


Heat pump water heater installed in an open closet area with airflow (example installation)

Heat Pump Water Heaters in Hawaiʻi: How They Work and What They Cost to Run

mother and child in a bathroom before a shower

Comparing 4 Common Water Heater Types in Hawaiʻi and What They Cost to Run


Let's Get More Efficient, Together

Are you considering a project to improve your home's efficiency but don't know where to begin? We're here to help! Lōkahi FCU is proud to offer a number of options to help you reach your efficiency goals to help create a more sustainable Hawaiʻi, and to help you save money!

Want to learn more? Give us a call at 808.440.5380 or stop by one of our branches to talk story with our team. We'll help you compare options and figure out what best fits your home and budget.