# Fifth Fuel --- ## Available Content ### Posts * [Cellulose vs. Spray Foam: What’s Best for Your Attic?](https://www.thefifthfuel.com/blog/cellulose-vs-spray-foam-whats-best-for-your-attic.md) * [What You Need to Know About Insulation in the DC Metro Area: Why R-Value Is Just the Beginning](https://www.thefifthfuel.com/blog/what-you-need-to-know-about-insulation-in-the-dc-metro-area-why-r-value-is-just-the-beginning.md) * [Could My House Be Making Me Sick?](https://www.thefifthfuel.com/blog/could-my-house-be-making-me-sick.md) * [Save Energy This Winter with Attic Insulation](https://www.thefifthfuel.com/blog/save-energy-this-winter-with-attic-insulation.md) * [How Attic Insulation and Crawlspace Encapsulation Improve Comfort and Cut Energy Costs](https://www.thefifthfuel.com/blog/how-attic-insulation-and-crawlspace-encapsulation-improve-comfort-and-cut-energy-costs.md) * [Where Does a Home Lose the Most Heat?](https://www.thefifthfuel.com/blog/where-does-home-lose-most-heat.md) * [Should I Get a Home Energy Assessment?](https://www.thefifthfuel.com/blog/should-i-get-home-energy-assessment.md) * [The Insulation Tax Credit Ends December 31—Don’t Miss Out on $1,200 in Savings!](https://www.thefifthfuel.com/blog/the-insulation-tax-credit-ends-december-31-dont-miss-out-on-1200-in-savings.md) * [Why Are Upstairs Bedrooms Always Hot in the Summer? Here's What You Can Do](https://www.thefifthfuel.com/blog/your-bedroom-too-hot-sleep.md) * [5 Home Improvements to Make This Summer](https://www.thefifthfuel.com/blog/5-home-improvements-to-make-this-summer.md) * [How to Stay Comfortable While Saving on Summer Energy Bills](https://www.thefifthfuel.com/blog/how-to-stay-comfortable-while-saving-on-summer-energy-bills.md) * [Spring Cleaning Tip: Don’t Forget Your Insulation](https://www.thefifthfuel.com/blog/spring-cleaning-include-your-insulation.md) * [Signs Your Home Needs an Insulation & Air Sealing Upgrade This Winter](https://www.thefifthfuel.com/blog/signs-your-home-needs-an-insulation-air-sealing-upgrade-this-winter.md) * [FAQs About Insulation](https://www.thefifthfuel.com/blog/faqs-about-insulation.md) * [Mid-Winter Signs Your Insulation Needs to Be Replaced](https://www.thefifthfuel.com/blog/mid-winter-signs-your-insulation-needs-to-be-replaced.md) * [5 Reasons Why Your Home Is Cold Even with the Furnace On](https://www.thefifthfuel.com/blog/5-reasons-why-your-home-is-cold-even-with-the-furnace-on.md) * [5 Benefits of Crawlspace Encapsulation ](https://www.thefifthfuel.com/blog/5-benefits-of-crawlspace-encapsulation.md) * [How Does the Insulation Tax Credit Work?](https://www.thefifthfuel.com/blog/how-does-the-insulation-tax-credit-work.md) * [Upgrade Your Insulation By Year-End](https://www.thefifthfuel.com/blog/upgrade-your-insulation-by-year-end.md) * [What’s the Best Type of Insulation for My Attic?](https://www.thefifthfuel.com/blog/whats-best-kind-insulation-my-attic.md) * [Why Is My Upstairs So Hot?](https://www.thefifthfuel.com/blog/why-my-upstairs-so-hot.md) * [How Insulation & Air Sealing Protect Your Home from Moisture & Mold Growth](https://www.thefifthfuel.com/blog/how-insulation-air-sealing-protect-your-home-from-moisture-mold-growth.md) * [Why Air Sealing & Insulation Go Hand in Hand](https://www.thefifthfuel.com/blog/why-air-sealing-insulation-go-hand-in-hand.md) * [Do You Have an Uncomfortable Bonus Room?](https://www.thefifthfuel.com/blog/do-you-have-uncomfortable-bonus-room.md) * [Attic Insulation: The Key to a Comfortable Winter](https://www.thefifthfuel.com/blog/attic-insulation-key-comfortable-winter.md) * [Why Upgrading Your Insulation Is Not a DIY Job](https://www.thefifthfuel.com/blog/why-upgrading-your-insulation-not-diy-job.md) * [Air Sealing Your House: Why and How it Helps](https://www.thefifthfuel.com/blog/air-sealing-your-house-why-and-how-it-helps.md) * [How Your Home Style Affects Your Insulation Needs](https://www.thefifthfuel.com/blog/how-your-home-style-affects-your-insulation-needs.md) * [The Most Important Places to Insulate Your Home](https://www.thefifthfuel.com/blog/most-important-places-insulate-your-home.md) * [Enjoy a Cool Summer with Insulation and Air Sealing](https://www.thefifthfuel.com/blog/enjoy-cool-summer-insulation-and-air-sealing.md) * [5 Tips for New Homeowners](https://www.thefifthfuel.com/blog/5-tips-new-homeowners.md) * [How Insulation & Air Sealing Provide Year-Round Comfort](https://www.thefifthfuel.com/blog/how-insulation-air-sealing-provide-year-round-comfort.md) * [Is Your Crawlspace Making You Sick?](https://www.thefifthfuel.com/blog/your-crawlspace-making-you-sick.md) * [How Insulating Your Attic Can Prepare Your Home for Summer](https://www.thefifthfuel.com/blog/how-insulating-your-attic-can-prepare-your-home-summer.md) * [How Upgrading Your Home Can Help You Save More Energy](https://www.thefifthfuel.com/blog/how-upgrading-your-home-can-help-you-save-more-energy.md) * [Understanding Stack Effect](https://www.thefifthfuel.com/blog/understanding-stack-effect.md) * [How Do I Know If I Need More Insulation?](https://www.thefifthfuel.com/blog/how-do-i-know-if-i-need-more-insulation.md) * [Why Should I Hire a Pro to Install Insulation?](https://www.thefifthfuel.com/blog/why-should-i-hire-pro-install-insulation.md) * [Ice Dams & Icicles: What To Do About Them](https://www.thefifthfuel.com/blog/ice-dams-icicles-what-do-about-them.md) * [Insulation: The Ultimate Sweater for Your Home](https://www.thefifthfuel.com/blog/insulation-ultimate-sweater-your-home.md) * [Does Your Attic Need More Insulation?](https://www.thefifthfuel.com/blog/does-your-attic-need-more-insulation.md) * [How Insulation & Air Sealing Help Your Home Year-Round](https://www.thefifthfuel.com/blog/how-insulation-air-sealing-help-your-home-year-round.md) * [Insulation Removal: Not a DIY Project](https://www.thefifthfuel.com/blog/insulation-removal-not-diy-project.md) * [Is Your Home Properly Insulated?](https://www.thefifthfuel.com/blog/your-home-properly-insulated.md) * [Get an Energy Audit in Time for Changing Weather](https://www.thefifthfuel.com/blog/get-energy-audit-time-changing-weather.md) * [Why Do Insulation & Air Sealing Go Hand in Hand?](https://www.thefifthfuel.com/blog/why-do-insulation-air-sealing-go-hand-hand.md) * [The Benefits of Weatherization for HOAs](https://www.thefifthfuel.com/blog/benefits-weatherization-hoas.md) * [Better Business Tip: Getting the Most From a Commercial Energy Retrofit](https://www.thefifthfuel.com/blog/better-business-tip-getting-most-commercial-energy-retrofit.md) * [Get a Crawlspace Update that Pays for Itself](https://www.thefifthfuel.com/blog/get-crawlspace-update-pays-itself.md) * [Insulation & Air Sealing: Don’t Do One Without the Other](https://www.thefifthfuel.com/blog/insulation-air-sealing-dont-do-one-without-other.md) * [Enjoy Your Coolest Summer Yet with Insulation and Air Sealing](https://www.thefifthfuel.com/blog/enjoy-your-coolest-summer-yet-insulation-and-air-sealing.md) * [Why Choose an Energy Audit?](https://www.thefifthfuel.com/blog/why-choose-energy-audit.md) * [Can’t Sleep Because Your Upstairs is Too Hot? Fix It!](https://www.thefifthfuel.com/blog/cant-sleep-upstairs-too-hot.md) * [Tricks to Stay Cool Without Using Air Conditioning](https://www.thefifthfuel.com/blog/tricks-stay-cool-without-using-air-conditioning.md) * [Quick Ways to Improve Your Home’s Efficiency](https://www.thefifthfuel.com/blog/quick-ways-improve-your-homes-efficiency.md) * [Stopping Ice Dams Before They Start](https://www.thefifthfuel.com/blog/stopping-ice-dams-they-start.md) * [Preventing Cold Spots or Rooms in Your Home](https://www.thefifthfuel.com/blog/preventing-cold-spots-or-rooms-your-home.md) * [Inconsistent Temperatures in Your Home?](https://www.thefifthfuel.com/blog/inconsistent-temperatures-your-home.md) * [Where to Insulate Your Home](https://www.thefifthfuel.com/blog/where-insulate-your-home.md) * [The Key to a Comfortable Home This Summer](https://www.thefifthfuel.com/blog/key-comfortable-home-summer.md) * [Is Condensation On Ductwork a Concern?](https://www.thefifthfuel.com/blog/condensation-ductwork-concern.md) * [Solving Comfort Issues and High Utility Bills in Cape Cod Style Homes](https://www.thefifthfuel.com/blog/solving-comfort-issues-and-high-utility-bills-cape-cod-style-homes.md) ### Pages * [Videos](https://www.thefifthfuel.com/videos.md) * [Custom Dashboard](https://www.thefifthfuel.com/custom-dashboard.md) * [Service Areas](https://www.thefifthfuel.com/service-areas.md) * [Rebates and Incentives](https://www.thefifthfuel.com/rebates-and-incentives.md) * [What is the Fifth Fuel?](https://www.thefifthfuel.com/what-fifth-fuel.md) * [Testimonials](https://www.thefifthfuel.com/testimonials.md) * [HERS testing](https://www.thefifthfuel.com/hers-testing.md) * [Free Estimates](https://www.thefifthfuel.com/free-estimates.md) * [FAQ](https://www.thefifthfuel.com/faqs.md) * [EnerBank Loans](https://www.thefifthfuel.com/enerbank-loans.md) * [Contact Us](https://www.thefifthfuel.com/contact-us.md) * [Commercial & Multifamily](https://www.thefifthfuel.com/commercial-multifamily.md) * [Certifications](https://www.thefifthfuel.com/certifications.md) * [Case Studies](https://www.thefifthfuel.com/case-studies.md) * [Blog](https://www.thefifthfuel.com/blog.md) * [About](https://www.thefifthfuel.com/about.md) * [Thank you!](https://www.thefifthfuel.com/thank-you.md) * [Home](https://www.thefifthfuel.com.md) * [Privacy Policy](https://www.thefifthfuel.com/privacy-policy.md) ### Case Studies * [Case Study: Upgrading the Energy Efficiency in 200 Fredericksburg Townhomes](https://www.thefifthfuel.com/case-study/case-study-upgrading-the-energy-efficiency-in-200-fredericksburg-townhomes.md) * [Case Study: Solving Whole-Home Comfort Issues with Crawl Space Encapsulation in Arlington, VA](https://www.thefifthfuel.com/case-study/case-study-solving-whole-home-comfort-issues-with-crawl-space-encapsulation-in-arlington-va.md) * [Ridding an Attic of Rodents](https://www.thefifthfuel.com/case-study/ridding-an-attic-of-rodents.md) ### Cities * [Home Comfort and Energy Efficiency Experts in Bethesda, MD](https://www.thefifthfuel.com/city/home-comfort-and-energy-efficiency-experts-in-bethesda-md.md) * [Energy Audits, Insulation & Air Sealing in Fairfax, VA](https://www.thefifthfuel.com/city/energy-audits-insulation-air-sealing-in-fairfax-va.md) * [Energy Efficiency Services in Alexandria, VA](https://www.thefifthfuel.com/city/energy-efficiency-services-in-alexandria-va.md) * [Energy Audits, Insulation & Air Sealing Services in Arlington, VA](https://www.thefifthfuel.com/city/energy-audits-insulation-air-sealing-services-in-arlington-va.md) * [High-Performance Insulation Services in Washington DC](https://www.thefifthfuel.com/city/high-performance-insulation-services-in-washington-dc.md) ### Distinctions * [NAIMA Contractor Certification](https://www.thefifthfuel.com/distinction/naima-contractor-badge.md) * [State of Virginia Licensed Contractor](https://www.thefifthfuel.com/distinction/state-of-virginia-licensed-contractor.md) * [Air Barrier Association of America](https://www.thefifthfuel.com/distinction/air-barrier-association-of-america.md) * [RESNET](https://www.thefifthfuel.com/distinction/resnet.md) * [ENERGY STAR Partner](https://www.thefifthfuel.com/distinction/energy-star-partner.md) ### FAQ * [Why should I use The Fifth Fuel?](https://www.thefifthfuel.com/faq/why-should-i-use-fifth-fuel.md) * [Can energy efficiency improvements help make my house more comfortable?](https://www.thefifthfuel.com/faq/can-energy-efficiency-improvements-help-make-my-house-more-comfortable.md) * [Can a home performance project help me lower my energy bills?](https://www.thefifthfuel.com/faq/can-home-performance-project-help-me-lower-my-energy-bills.md) * [What type of training do people at The Fifth Fuel have?](https://www.thefifthfuel.com/faq/what-type-training-do-people-fifth-fuel-have.md) * [What are options for financing energy improvements?](https://www.thefifthfuel.com/faq/what-are-options-financing-energy-improvements.md) * [How long does the work typically take?](https://www.thefifthfuel.com/faq/how-long-does-work-typically-take.md) * [Is the work messy?](https://www.thefifthfuel.com/faq/work-messy.md) * [Will Fifth Fuel come back to reevaluate my home after I have had work done?](https://www.thefifthfuel.com/faq/will-fifth-fuel-come-back-reevaluate-my-home-after-i-have-had-work-done.md) * [Once I have had a home energy audit and have received my report, can I contact Fifth Fuel with questions or concerns?](https://www.thefifthfuel.com/faq/once-i-have-had-home-energy-audit-and-have-received-my-report-can-i-contact-fifth-fuel-questions.md) * [Are windows a good first step to improving my home's energy efficiency?](https://www.thefifthfuel.com/faq/are-windows-good-first-step-improving-my-homes-energy-efficiency.md) * [Do you use infrared thermal cameras?](https://www.thefifthfuel.com/faq/do-you-use-infrared-thermal-cameras.md) * [Is it safe to be home during a blower door test?](https://www.thefifthfuel.com/faq/it-safe-be-home-during-blower-door-test.md) * [How long will my energy audit take?](https://www.thefifthfuel.com/faq/how-long-will-my-energy-audit-take.md) * [How can I tell if my home or office is energy efficient?](https://www.thefifthfuel.com/faq/how-can-i-tell-if-my-home-or-office-energy-efficient.md) * [What is an energy audit?](https://www.thefifthfuel.com/faq/what-energy-audit.md) ### Service Categories * [Energy Audits](https://www.thefifthfuel.com/service-category/energy-audits.md) * [Financing](https://www.thefifthfuel.com/service-category/financing.md) * [Retrofitting](https://www.thefifthfuel.com/service-category/retrofitting.md) * [Insulation](https://www.thefifthfuel.com/service-category/insulation.md) * [Air Sealing](https://www.thefifthfuel.com/service-category/air-sealing.md) ### Services * [ENERGY STAR Partner](https://www.thefifthfuel.com/service/energy-star-partner.md) * [Cellulose Insulation](https://www.thefifthfuel.com/service/cellulose-insulation.md) * [Duct Blaster Test](https://www.thefifthfuel.com/service/duct-blaster-test.md) * [Fiberglass Insulation](https://www.thefifthfuel.com/service/fiberglass-insulation.md) * [Attic Insulation](https://www.thefifthfuel.com/service/attic-insulation.md) * [Crawlspace Encapsulation](https://www.thefifthfuel.com/service/crawlspace-encapsulation.md) * [Wall Insulation](https://www.thefifthfuel.com/service/wall-insulation.md) * [Insulation Removal](https://www.thefifthfuel.com/service/insulation-removal.md) * [Spray Foam Insulation](https://www.thefifthfuel.com/service/spray-foam-insulation.md) * [Blower Door Testing](https://www.thefifthfuel.com/service/blower-door-testing.md) ### Testimonials * [Energy Savings for Us](https://www.thefifthfuel.com/blog/testimonial/energy-savings-us.md) * [Professionalism & quality of work](https://www.thefifthfuel.com/blog/testimonial/professionalism-quality-work.md) * [Couldn’t be more pleased](https://www.thefifthfuel.com/blog/testimonial/couldnt-be-more-pleased.md) * [No more drafts](https://www.thefifthfuel.com/blog/testimonial/no-more-drafts.md) * [Timely service & quality of the work](https://www.thefifthfuel.com/blog/testimonial/timely-service-quality-work.md) * [Couldn’t be happier!](https://www.thefifthfuel.com/blog/testimonial/lance-lewes.md) * [I’m really impressed](https://www.thefifthfuel.com/blog/testimonial/im-really-impressed.md) * [Your guys have been the best](https://www.thefifthfuel.com/blog/testimonial/your-guys-have-been-best.md)