The Complete Guide to Ventilating a House (Without Wasting Energy)
Indoor air can be 2 to 5 times more polluted than outdoor air. Without proper ventilation, moisture, allergens, and pollutants build up quickly—especially in tightly sealed homes. Whether you’re living in a new build or a decades-old structure, ventilating a house properly isn’t just about comfort—it’s about your health, energy efficiency, and long-term savings. Here’s how to do it right. 1. Natural Ventilation Still Matters Don’t underestimate the power of opening windows and doors when the weather allows. Natural airflow helps push out stale air and bring in fresh oxygen. It’s the easiest and most budget-friendly method of ventilating a home without an HVAC system. That said, it’s not always practical in winter or high-pollution areas. That’s where mechanical solutions come in. 2. Use Exhaust Fans the Right Way Bathrooms and kitchens are hotspots for moisture and odor. Always use your exhaust fans when showering or cooking. Just 15–20 minutes of fan use can significantly improve airflow in specific areas of the house. Tip: Clean the fan blades and grills every few months to ensure efficiency. 3. Invest in Whole-House Ventilation Systems For consistent airflow across your entire home, whole-house systems like HRVs (Heat Recovery Ventilators) and ERVs (Energy Recovery...
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