## [Blog](/blog) ![Happy couple reading blog on couch](/sites/default/files/2023-11/untitled_design_2.png) After nearly a decade weatherizing people’s homes along Maryland’s Eastern Shore, we have a lot of [experience](/about-us) with home energy improvements, including which solutions work best and why. We share our knowledge with you in our blog, offering useful information about what you can do to increase the health, safety, comfort, and energy efficiency of your home. Learn what you can do to improve your [crawl space](/service-category/crawl-space-repair), [attic](/service-category/attic-services), and other spaces in your home to save money on heating and cooling all year long. Enjoy better indoor air quality which promotes healthier living and experience a higher level of comfort in your home with our ideas and services. ### Do you have a question about home efficiency and comfort improvements? [Contact us](/contact) or call [(410) 822-1390](tel:4108221390) today! [![Can a Mini Split Heat Pump Be Installed on an Interior Wall? blog header image ](/sites/default/files/styles/sc_460x345/public/2026-03/IMG_5717.jpeg?itok=rVYYbJdk)](/blog/can-mini-split-heat-pump-be-installed-interior-wall) ### [Can a Mini Split Heat Pump Be Installed on an Interior Wall? ](/blog/can-mini-split-heat-pump-be-installed-interior-wall) March 27, 2026 Discover if you can install a mini-split on an interior wall for a hidden look. Total Home Performance offers the building science and expertise to solve complex placements while ensuring your home’s energy efficiency. [Read more](https://totalhomeperformance.com/blog/can-mini-split-heat-pump-be-installed-interior-wall) [![employee in the attic applying spray foam insulation](/sites/default/files/styles/sc_460x345/public/2026-03/IMG_3977.jpeg?itok=e4cn64Ju)](/blog/why-you-should-insulate-your-unused-attic) ### [Why You Should Insulate Your Unfinished Attic](/blog/why-you-should-insulate-your-unused-attic) March 11, 2026 Your Annapolis MD attic is costing you money if it’s not properly insulated! Proper attic insulation from Total Home Performance lowers energy bills, makes your home more comfortable, and qualifies for ENERGY STAR rebates! [Read more](https://totalhomeperformance.com/blog/why-you-should-insulate-your-unused-attic) [![Dirt crawlspace in Eastern Shore, Maryland prior to encapsulation performed by THP team](/sites/default/files/styles/sc_460x345/public/2026-03/355659199_820430529612239_3365783964797721661_n.jpg?itok=kpySXV-b)](/blog/mold-in-crawl-space-solutions) ### [How to Get Rid of Mold in Your Crawl Space](/blog/mold-in-crawl-space-solutions) February 25, 2026 Learn how to get rid of mold in your crawl space for good. Find out what works, what doesn’t, and how professional crawl space mold removal prevents it from coming back. [Read more](https://totalhomeperformance.com/blog/mold-in-crawl-space-solutions) [![Encapsulated crawl space, crawl space encapsulation performed by Total Home Performance](/sites/default/files/styles/sc_460x345/public/2026-03/img-2473.jpg?itok=exnsY8O7)](/blog/crawl-space-dehumidifier-installation-eastern-shore-when-it-helps-and-when-it-doesnt) ### [Crawl Space Dehumidifier Installation on the Eastern Shore: When It Helps (and When It Doesn’t)](/blog/crawl-space-dehumidifier-installation-eastern-shore-when-it-helps-and-when-it-doesnt) February 18, 2026 Does a crawl space dehumidifier actually fix moisture problems? Learn when crawl space dehumidifier installation helps, when it doesn’t, and how Total Home Performance uses building science to get lasting results. [Read more](https://totalhomeperformance.com/blog/crawl-space-dehumidifier-installation-eastern-shore-when-it-helps-and-when-it-doesnt) [![Two Total Home Performance trucks parked nose-to-nose outside Eastern Shore, Maryland home](/sites/default/files/styles/sc_460x345/public/2026-03/thp_-_trucks_-_image-5242.jpg?itok=QKOsfBKb)](/blog/building-science-basics-every-homeowner-should-know) ### [Building Science Basics Every Homeowner Should Know](/blog/building-science-basics-every-homeowner-should-know) February 11, 2026 Stop wasting money on single-issue fixes. Learn the building science basics of your home as an interconnected system. Discover how Total Home Performance's whole-home approach delivers lasting comfort and efficiency. [Read more](https://totalhomeperformance.com/blog/building-science-basics-every-homeowner-should-know) [![Clean, encapsulated crawlspace by Total Home Performance](/sites/default/files/styles/sc_460x345/public/2026-02/img_8715.jpeg?itok=I418S5tW)](/blog/crawl-space-solutions-chesapeake-bay-area-homes-cost-rebates-what-expect) ### [Crawl Space Solutions for Chesapeake Bay Area Homes (Cost, Rebates & What to Expect)](/blog/crawl-space-solutions-chesapeake-bay-area-homes-cost-rebates-what-expect) January 21, 2026 Learn everything you need to know about crawl space solutions, including encapsulation, waterproofing, and repairs. Call the pros at Total Home Performance for crawl space help in the Chesapeake Bay area. [Read more](https://totalhomeperformance.com/blog/crawl-space-solutions-chesapeake-bay-area-homes-cost-rebates-what-expect) [![How to Improve Energy Efficiency & Save on Bills in an Old House blog header image](/sites/default/files/styles/sc_460x345/public/2025-12/screenshot_2025-12-23_at_5.44.30_pm.png?itok=gIDaO1Z1)](/blog/how-improve-energy-efficiency-save-bills-old-house) ### [How to Improve Energy Efficiency & Save on Bills in an Old House ](/blog/how-improve-energy-efficiency-save-bills-old-house) December 23, 2025 If your primary goal is to save money on energy bills, prioritize insulation and air sealing. Then, focus on HVAC equipment and air ducts. [Read more](https://totalhomeperformance.com/blog/how-improve-energy-efficiency-save-bills-old-house) [![How to Fix a Cold Floor Above the Crawl Space blog header image](/sites/default/files/styles/sc_460x345/public/2025-12/screenshot_2025-12-23_at_4.54.41_pm.png?itok=_85PTvNW)](/blog/how-fix-cold-floor-above-crawl-space) ### [How to Fix a Cold Floor Above the Crawl Space](/blog/how-fix-cold-floor-above-crawl-space) December 17, 2025 Learn the top causes of cold floors above a crawl space (open vents, insulation gaps, air leaks) and the proven fixes that will keep them warm. [Read more](https://totalhomeperformance.com/blog/how-fix-cold-floor-above-crawl-space) [![When to Worry About Cracks in Ceilings & Walls blog header image](/sites/default/files/styles/sc_460x345/public/2025-12/429868631_987984422856848_422265132849866945_n_1.jpg?itok=mR1Z0syS)](/blog/when-worry-about-cracks-ceilings-walls) ### [When to Worry About Cracks in Ceilings & Walls ](/blog/when-worry-about-cracks-ceilings-walls) December 10, 2025 Not sure if that ceiling or wall crack is serious? Learn the warning signs (wide, growing, leaking, stair-step) vs normal settling and when to schedule a professional inspection. [Read more](https://totalhomeperformance.com/blog/when-worry-about-cracks-ceilings-walls) [![BGE Rebates Available Now for Insulation, Crawl Spaces, Heat Pumps & More blog header image](/sites/default/files/styles/sc_460x345/public/2025-12/img_4421.jpg?itok=IkWHAhZV)](/blog/bge-rebates-available-now-insulation-crawl-spaces-heat-pumps-more) ### [BGE Rebates Available Now for Insulation, Crawl Spaces, Heat Pumps & More](/blog/bge-rebates-available-now-insulation-crawl-spaces-heat-pumps-more) December 3, 2025 Thinking about adding insulation to your house or installing a heat pump? You may qualify for rebates and incentives to help cover the cost! BGE is currently offering rebates for energy-saving home improvements through the EmPower Home Performance with ENERGY STAR (HPwES) program. You could save up to $10,000 on crawl space encapsulation or… [Read more](https://totalhomeperformance.com/blog/bge-rebates-available-now-insulation-crawl-spaces-heat-pumps-more) [![Aerial view of St. Michaels, MD](/sites/default/files/styles/sc_460x345/public/2025-12/thp_-_complete_guide_to_basement_foundation_waterproofing_for_coastal_homes_.jpg?itok=Fi-fZTNK)](/blog/do-you-really-need-foundation-waterproofing-risk-test-coastal-homes) ### [Do You Really Need Foundation Waterproofing? Risk Test for Coastal Homes ](/blog/do-you-really-need-foundation-waterproofing-risk-test-coastal-homes) November 19, 2025 Check your home’s risk level for moisture issues and flooding. Schedule a foundation inspection with Total Home Performance today! We specialize in coastal homes! [Read more](https://totalhomeperformance.com/blog/do-you-really-need-foundation-waterproofing-risk-test-coastal-homes) [![5 Crucial Questions to Ask Before You Hire a Heat Pump Installer blog header image](/sites/default/files/styles/sc_460x345/public/2025-11/img_4420.jpg?itok=ORiYulQM)](/blog/5-crucial-questions-ask-you-hire-heat-pump-installer) ### [5 Crucial Questions to Ask Before You Hire a Heat Pump Installer ](/blog/5-crucial-questions-ask-you-hire-heat-pump-installer) October 30, 2025 Installing a heat pump? Ask these questions before you sign a contract to avoid a faulty installation. Call Total Home Performance today for a free heat pump estimate. [Read more](https://totalhomeperformance.com/blog/5-crucial-questions-ask-you-hire-heat-pump-installer) [![Most Common Types of Foundation Cracks & What They Mean blog header image](/sites/default/files/styles/sc_460x345/public/2025-11/img_9160.jpg?itok=1KGVQ8dg)](/blog/most-common-types-foundation-cracks-what-they-mean) ### [Most Common Types of Foundation Cracks & What They Mean ](/blog/most-common-types-foundation-cracks-what-they-mean) October 22, 2025 Seeing cracks in your foundation? Find out what they mean and when you should be worried. Schedule a free foundation inspection with Total Home Performance today. [Read more](https://totalhomeperformance.com/blog/most-common-types-foundation-cracks-what-they-mean) [![What Is Building Science & Why Does It Matter For Your Home? blog header image](/sites/default/files/styles/sc_460x345/public/2025-11/img_0093_1.jpg?itok=qNFvFm3k)](/blog/what-building-science-why-does-it-matter-your-home) ### [What Is Building Science & Why Does It Matter For Your Home?](/blog/what-building-science-why-does-it-matter-your-home) October 14, 2025 Get the most out of your investment in home performance upgrades like insulation or a new HVAC system by working with a contractor that understands building science. Request a free estimate today! [Read more](https://totalhomeperformance.com/blog/what-building-science-why-does-it-matter-your-home) [![Heat Pump Not Heating? Common Problems & Fixes blog header image ](/sites/default/files/styles/sc_460x345/public/2025-10/img_4327.jpg?itok=b79z_ATy)](/blog/heat-pump-not-heating-common-problems-fixes) ### [Heat Pump Not Heating? Common Problems & Fixes ](/blog/heat-pump-not-heating-common-problems-fixes) October 3, 2025 Find out what causes problems like a heat pump not heating enough or blowing cold air, and easy DIY fixes. Plus, when to call a professional. [Read more](https://totalhomeperformance.com/blog/heat-pump-not-heating-common-problems-fixes) #### Pagination - 1 - [2](?page=1) - [3](?page=2) - [4](?page=3) - [5](?page=4) - [6](?page=5) - [7](?page=6) - [8](?page=7) - [9](?page=8) - [ Next › Next page ](?page=1 "Go to next page") - [ Last » Last page ](?page=8 "Go to last page") ## Get expert advice. ### Make your home efficient, comfortable & healthy. [(410) 822-1390](tel:4108221390) Learn More ## What Our Customers Are Saying About Us - The contractor was thorough, professional and impressive in the presentation and completion of the work completed at our home. Their work crew was extremely neat, efficient and timely in getting the work done. I highly recommend Total Home… [Read more](https://totalhomeperformance.com/testimonial/john-davis) ### John Davis - Total Home Performance did an outstanding job. The work was completed as promised (time/price/quality). ### Joseph Holt - Entirely Satisfactory - Derek Dombrosky is an extremely capable young man. ### Elden and Barbara Hartshorn - Over all the THP experience was complete thorough and very professional. The equipment utilized was first rate and the work was excellent. As an Energy Engineer with over 25 years experience I watched the process very closely and the crew worked… [Read more](https://totalhomeperformance.com/testimonial/william-gilmore) ### William Gilmore - Total Home Performance is a yong company that is dedicated to doing outstanding work. Following the energy audit, Derek made an excellent presentation to us regarding our problems and their proposed solutions. Rob, Richard and Joey always were… [Read more](https://totalhomeperformance.com/testimonial/bill-leasure) ### Bill Leasure - Excellent staff. Professional work. Worked well with my schedule. ### Dean Hinton - Total Performance LLC was a very professional, hard working group. Since we are a total electric house with three heat pumps and a crawl space, we are looking forward to a lower power bill this winter. ### Ed Bishop - Total Home Performance was an excellent contractor. They were very knowledgeable and recommended solutions which were very helpful in improving the livability and energy efficiency in my home. They were extremely responsive and maintained… [Read more](https://totalhomeperformance.com/testimonial/peter-kennedy) ### Peter Kennedy - Contractor was on time, neat, had very good workers, and cleaned up after finished. Very satisfied. ### Patrick - The owner of the company Derek, came to our home soon after we contacted the company for an audit. He seemed to do a very thorough evaluation in all parts of the house. This was followed by another visit by him presenting a folder with the… [Read more](https://totalhomeperformance.com/testimonial/joyce-m-fitzpatrick) ### Joyce M. Fitzpatrick - We had our home sealed and our crawl space too and as the winter months are here---we feel the difference already. ### Tim Nowak - Addressed a number of issues we had with an old "ballon frame" house. Updated crawlspace and insulated attic. [Read more](https://totalhomeperformance.com/testimonial/gary) ### Gary - The work was done effeciently and I could feel the difference in the in the heat/air right away. I am very happy with the work that was done. ### Judy - Designated work completed as scheduled. Workers were courteous and completed work in above average manner. ### Larry Fry - I was amazed at the immediate impact of house sealing on the level of comfort. I have to wait until next winter to see if the savings are as expected. The contractors crew were very professional and very careful. ### B J Latka - We were very pleased with Total Home Performance and the energy audit experience. All the employees were very professional, they showed up on time to perform the audit, which took about two hours, as they indicated. The work we had done, again… [Read more](https://totalhomeperformance.com/testimonial/ocjacobs) ### ocjacobs - Very capable personnel, respectful of our home, pleasant, able to answer question intelligently, thorough. ### John Bayliss - Company was outstanding. ### Dr Bill Plack - This is the second time the contractor has done work for us and each time it was a delight doing business with him. ### The Danns - We are delighted with the work that Total Home Performance performed in our home. The workers and the type of work they did were professional. They updated us on the status of work. We would definitely utilize them in the future if the need… [Read more](https://totalhomeperformance.com/testimonial/david-turner) ### David Turner - Total home performance did a great job sealing, removing decking in attic and installing new insulation and attic tent. They cleaned everything left no mess. Wife was very happy when she got home. ### Jimmy - Everyone was very nice and explained the reason for every improvement they suggested. There were several issues with having my information submitted for my rebates from my electric company, but they were eventually resolved. ### Crystal D. - Professional and friendly people provided excellent service. ### David Gibson - The company was dependable in terms of doing what they said they would, when they said they would. They seemed to be very knowledgeable. They resolved several of the issues that their audit indicated were problems. Our new crawlspace alarm went… [Read more](https://totalhomeperformance.com/testimonial/karen) ### Karen - I can only say one word for the performance of Total Home Performance LLC is EXCELLENCE in all areas of work performed. Aside from a job well done, cleaned up working space at the end of each day, kept me informed as to what was taking place from… [Read more](https://totalhomeperformance.com/testimonial/bjd) ### BJD - Everthing done well – sales, energy audit, installation, paperwork. ### Roger Crow - Total Home Performance has been very easy to deal with and I found them very efficient. ### Julie Libby - Matt Hargrove and his crew were excellent, on time and completed the work as indicated with no additional ala carte charges. Matt came out on the evening of hurricane Irene after we noticed our sump pump not working. He and his crew arrived,… [Read more](https://totalhomeperformance.com/testimonial/deb-rich) ### Deb Rich - All went well. Very polite and professional. Finished work in timely manner. Hope it helps improve our heating costs! ### Bonnie Greer - From start to finish a very good experience. Complete analysis of needed upgrading to implementation was very positive experience. Work crew was very responsible and personable. ### Chuck and Ruth Barbour - My experience with the Maryland Home Performance program was very good for the following reasons. 1. The use of a certified contractor in energy efficient methods. 2. Having a certified contractor company that employs a crew that does good work… ### Sidney Schneider - Contractor was professional and completed all tasks as agreed. Program was helpful. We hope to realize energy savings over the coming years. ### Bruce Thomas - The contractors were kind, courteous and respectful of our home. ### Ed Watkins - The workers were experienced, fast, and neat. In addition they were polite. This is my first year in my home so I have no way of comparing my energy use this year with other years. I am satisfied with the work done. ### Carol - Work was completed on time and the workers went above and beyond. Great company to work with kept us informed the whole process ### Richard Covert - I can only say one word for the performance of Total Home Performance LLC is EXCELLENCE in all areas of work performed. Aside from a job well done, cleaned up working space at the end of each day, kept me informed as to what was taking place from… [Read more](https://totalhomeperformance.com/testimonial/maryland-local) ### Maryland Local - From start to finish a very good experience. Complete analysis of needed upgrading to implementation was very positive experience. Work crew was very responsible and personable. ### Maryland Local - The workers were experienced, fast, and neat. In addition they were polite. This is my first year in my home so I have no way of comparing my energy use this year with other years. I am satisfied with the work done. ### Maryland Local - Matt Hargrove and his crew were excellent, on time and completed the work as indicated with no additional a-la carte charges. Matt came out on the evening of hurricane Irene after we noticed our sump pump not working. He and his crew arrived,… [Read more](https://totalhomeperformance.com/testimonial/maryland-local-4) ### Maryland Local