Energy-efficient windows often feature multiple glass panes, gas fills, low-e coatings, and well-insulated frames. Proper installation is crucial to ensure a window's energy efficiency benefits are ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? While size and style are important when shopping for a new refrigerator, energy ...

You can update your existing windows to make them more energy efficient or replace them with Energy Star certified options. Some or all of the mortgage lenders featured on our site are advertising ...

Matt Johnson, left, an HVAC technician, and Ben Sevigny, a thermal installer, both with ReVision Energy, a New England company specializing in solar energy and electric heat pump installations, work ...

How can energy-efficient light bulbs, bricks, and buildings cut costs and improve energy security? In this episode of The Development Podcast, we discover that energy efficiency doesn’t just save ...

Heating, ventilation, and air conditioning are essential components of maintaining home comfort throughout the seasons. Energy use has a straightforward relationship with efficiency. So, by knowing ...

Despite numerous advances, energy efficiency is often misunderstood. Too frequently, it’s equated with cost-cutting or making do with less. But for today’s commercial leaders, efficiency is about ...

Two-thirds of the world’s energy is wasted. Energy efficiency opens up immense opportunities for growth, energy security, and the environment. Energy efficiency is a key element of the World Bank ...

Grist reports on how cities aim to improve energy efficiency for renters, amidst challenges like "split incentives" that hinder landlord investments.