Blog

Home energy efficiency is a complex topic that affects our energy bills, comfort, and indoor air quality. As leaders of residential energy conservation in Northern Virginia and Metro DC, The Fifth Fuel team is dedicated to educating home and business owners about building science concepts and how these concepts influence our built environment. For example, homeowners commonly think their heating and cooling system isn’t performing properly, when in reality, a home performance issue is causing uneven home temperatures.

Our blog is designed to provide useful information that can be applied to gaining an understanding of home energy efficiency, helping our customers to make informed choices about energy-saving home improvements including insulation, air sealing, and crawlspace encapsulation.

Would you like a free estimate on a home energy upgrade? Call The Fifth Fuel today to get started!

Home efficiency news, company announcements, and more!

Our blog is your go-to for the latest news.

703-368-1479

Woman trying to cool off with hand held fan

Why Are Upstairs Bedrooms Always Hot in the Summer? Here’s What You Can Do

July 18, 2025

Find out what could be making your bedroom uncomfortably hot, with help from The Fifth Fuel — a trusted local insulation and home comfort expert serving Northern VA, DC, and MD. The Fifth Fuel shares the importance of attic and wall insulation as well as air sealing. Find out how to fix your hot bedroom.

How to Stay Comfortable While Saving on Summer Energy Bills

July 3, 2025

Transcript: Before you crank up the AC this summer, make …

Spring Cleaning Tip: Don’t Forget Your Insulation

May 14, 2025

Upgrade your home’s insulation this spring and benefit all year-long from reduced heating and cooling bills and higher home comfort. The Fifth Fuel breaks down why the existing aging insulation in your walls, attic, and crawlspace might not be doing its job anymore. Schedule an energy audit today.

Signs Your Home Needs an Insulation & Air Sealing Upgrade This Winter

March 12, 2025

Find out if your garage needs insulation, and how you might benefit from insulating your garage. The Fifth Fuel is a trusted insulation and energy efficiency contractor serving Northern VA, DC, and metro MD. Learn more about why a garage insulation project may be well worth the cost for your home.

FAQs About Insulation

February 28, 2025

Think it may be time for new insulation? Get answers to some FAQs about insulation, including why insulation is important, where insulation should be installed, and which types of insulation are the most effective. Learn more from The Fifth Fuel, Northern Virginia’s local insulation contractor.

Mid-Winter Signs Your Insulation Needs to Be Replaced

February 28, 2025

Find out if it’s time to install new insulation in your home with help from The Fifth Fuel, Northern VA, DC, and MD’s home comfort specialist. Signs like indoor drafts, cold floors, high heating bills, and hard-to-heat rooms could all mean it’s time for an insulation upgrade. Learn more here.

5 Reasons Why Your Home Is Cold Even with the Furnace On

January 24, 2025

Discover the reason you’re still cold in your house, even when the heat is on. The Fifth Fuel breaks down the three most common causes of poor home comfort in a Virginia home, and explains why a home energy audit is the best first step to identifying the problem and fixing the issue for good.