Buying an energy-efficient appliance is just step one. Homeowners who invest in Energy Star-rated devices can save a bundle on power bills, provided they use them right. From installation to maintenance and smart usage, it's the daily details that rack up the savings, as per the City of Seattle.

First things first: proper installation is key. Power Lines underscores the importance of airflow and a tight door seal for fridges to keep those kilowatts in check. Botch the setup, and you're throwing money out the window—or the refrigerator door, in this case. More than just a cold air issue, incorrect installation could trim years off the lifespan of your new tech.

Forget 'set it and forget it'—your gadgets need TLC to run their best. Following prescribed maintenance, such as cleaning filters and looking out for leaks, goes a long way in preserving their efficiency. And with some diligence, homeowners can avoid being hit with sudden, steep repair costs.

Moving on to operations, there's a plethora of settings that, when tweaked, optimize energy use. "Set the temperature on your refrigerator and freezer to the recommended levels to prevent energy waste" — a smart fridge move, says the Seattle-based publication. Similarly, getting savvy about laundry settings can shrink your carbon footprint and utility bill. Using a high-speed spin in the washer means less drying time — and energy spent — later on.

There's more than just dial-turning to think about. Activating energy-saving modes on techs like computers and TVs snips off the silent power sappers we often forget about. Since they're not on the forefront of our minds, these silent power sippers can add up to a significant portion of household energy consumption. So, pressing that power-saving button can be just as important as remembering to switch off the lights when you're leaving a room.

In the age of escalating utility prices and eco-consciousness, getting the most out of those premium, green appliances isn't optional—it's financial and environmental sense. Whether it's a new dishwasher or a desktop computer, treating your appliances with a little know-how and foresight can lead to sustainable savings all year round.