Yes. A radiant barrier lowers your energy costs in both summer and winter. In the summer, it blocks heat from entering the building so your air conditioner runs less. In the winter, it slows heat loss through the building envelope so you keep more of the warmth you pay for.
Here is how those savings add up:
Lower Energy Bills
By reducing heat transfer through the building envelope, a radiant barrier cuts the energy needed to heat and cool your home. Less energy used means a lower bill every month.
Lower HVAC costs
A radiant barrier takes pressure off your heating and cooling system. When your HVAC runs less, it lasts longer and needs fewer repairs — and replacing it comes years later than it would otherwise.
Higher home value
A more energy-efficient home is more attractive to buyers and renters. Lower utility costs are a selling point that can boost your home’s value.
Government incentives
In some areas, installing energy-efficient measures like a radiant barrier qualifies for incentives or rebates. These can offset part of your upfront cost.
What the Department of Energy Says
The Department of Energy recognizes that installing a radiant barrier in the attic can cut heat gain through the ceiling by up to 42 percent. That reduced heat load translates to savings of up to 17 percent on cooling bills, and some homes see 30 percent or more.
Your actual savings depend on your home’s size and design, your local climate, and the cost of energy where you live. A radiant barrier is not the only lever — sealing air leaks, adding conventional insulation, and upgrading appliances all help. But reflecting radiant heat before it reaches your living space is one of the most cost-effective steps you can take. Ready to see your number? Run your home through our radiant barrier savings calculator.
