As an expert in the field of energy efficiency, I have witnessed firsthand the significant impact that insulation can have on a home. It's not just about keeping the house warm in the winter and cool in the summer, but also about reducing energy bills and minimizing our environmental footprint. And the results are undeniable - new insulation can make a world of difference. The degree of difference that insulation alone can produce depends on various factors such as the type of home, climate, and type of insulation used. However, it is not uncommon to see a temperature difference of 5 to 20 degrees just because of insulation.
This means that by investing in proper insulation, homeowners can significantly improve their comfort levels and reduce their energy consumption. One of the main reasons why insulation is so crucial is because it helps to seal the home's envelope. This includes exterior walls, windows, doors, and other openings that can let air seep through. When air leaks are minimized, energy waste is reduced, and utility costs go down. In fact, according to the Environmental Protection Agency (EPA), homeowners can save an average of 15% on heating and cooling costs (or 11% on total energy costs) by sealing their homes and adding insulation to attics, floors above tight spaces, and basements. But it's not just about adding any amount of insulation.
It's essential to determine the right amount based on your home's specific needs. This is where R values come into play.
R values
measure the thermal resistance of insulation - in other words, how well it can resist heat flow. The higher the R value, the better the insulation's performance.By knowing your current R values and using tools like the Home Energy Saver tool, you can determine how much insulation you should add and where to achieve maximum energy efficiency.