As energy costs climb and summers get hotter, homeowners are searching for efficient ways to stay cool without putting too much pressure on their HVAC systems. One of the most practical upgrades you can make in 2025 is installing an insulated whole-house fan. What exactly is a Whole-House fan? A whole house fan draws in cooler outdoor air through open windows and pushes warm indoor air out through attic vents. This natural airflow cools your home efficiently and reduces the strain on your air conditioner. Unlike central air systems, which recirculate the same air, a whole house fan replaces stale indoor air with fresh outdoor air, helping remove moisture and indoor pollutants in the process. Why does it work so well? You can rely on an insulated whole-house fan for most of your daily cooling needs if you live in a region with cooler evenings or moderate summer temperatures. In many cases, you won’t need to turn on your air conditioner until the hottest part of the day (or not at a...