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"Very professional, knowledgeable, courteous and very customer focused. Would definitely use their services again!"

Chris A on November 2023

Full service Radon testing and mitigation, air duct and dryer vent cleaning, and blown-in attic insulation company. We service the entire state of Delaware and eastern Maryland.

"Very professional, knowledgeable, courteous and very customer focused. Would definitely use their services again!"

Chris A on November 2023


Avatar for In and Out Home Inspections, LLC

In and Out Home Inspections, LLC

11722 Back Creek Road
4.86(
85
)
Approved Pro

In and Out Home Inspections, LLC

11722 Back Creek Road
4.86(
85
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
59 local quotes requested

Here at, In and Out Home Inspections, LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Our inspector did an excellent job with inspecting the home. He proved to be knowledgeable and offered recommendations for improvements."

Maurice on October 2025

Here at, In and Out Home Inspections, LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Our inspector did an excellent job with inspecting the home. He proved to be knowledgeable and offered recommendations for improvements."

Maurice on October 2025


Dr Energy Saver

115 Atlantic Ave
2.75(
4
)

Dr Energy Saver

115 Atlantic Ave
2.75(
4
)
Customers say: Super punctual
15 years of experience

Dr. Energy Saver Delaware is your prescription for lower energy bills® in Delaware & Eastern Maryland. We have helped hundreds of homeowners improve their homes comfort and health by making their homes more efficient. Our comprehensive home energy efficiency solutions are customized to fit your specific needs. From window replacement, home insulation and air conditioning (heating, cooling, and ventilation) to air sealing, attic insulation, water heaters and furnace maintenance, repair, and replacement. If you're serious about comfort and health in your home don't take a chance on singular solutions. Your family and your home deserve a total home performance efficiency plan! By evaluating your home's systems, Dr. Energy Saver Delaware can help to ensure that you're getting the best results.

Dr. Energy Saver Delaware is your prescription for lower energy bills® in Delaware & Eastern Maryland. We have helped hundreds of homeowners improve their homes comfort and health by making their homes more efficient. Our comprehensive home energy efficiency solutions are customized to fit your specific needs. From window replacement, home insulation and air conditioning (heating, cooling, and ventilation) to air sealing, attic insulation, water heaters and furnace maintenance, repair, and replacement. If you're serious about comfort and health in your home don't take a chance on singular solutions. Your family and your home deserve a total home performance efficiency plan! By evaluating your home's systems, Dr. Energy Saver Delaware can help to ensure that you're getting the best results.


Avatar for LBI Home & Building Inspection

LBI Home & Building Inspection

15547 Honey Locust Ln
4.89(
63
)

LBI Home & Building Inspection

15547 Honey Locust Ln
4.89(
63
)
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

- What sets me apart from other top inspectors is rather than spending 2-1/2 to 3 hrs. merely documenting the home's structure, systems, and components, and identifying deficiencies and potential problems; I focus upon teaching you about the home. Yes, it will be me, not a (surprise) employee, who will be serving you. Rather than simply enabling you to make informed decisions regarding your contract to purchase, I am enabling you to understand the specifics of your future home, which thereby enable me to teach you how to operate its systems most efficiently, reduce your energy costs, and how to maintain your home and protect your investment. You needn’t ask if you can accompany me and ask questions — I will arrive about an hour before you to set up my program, and document exterior conditions. Upon your arrival we will enter, conduct a detailed orientation, then inspect the home together. During which I’ll explain everything and answer any questions you may have. When we’ve completed inspecting, we’ll review the draft of the upcoming report, so you’ll know what issues will be in the report before we leave. Please be prepared to spent 4 hours with me. Why hire an inspector whose services merely meet Licensing and Certification minimum requirements which focus only upon protecting your contractual needs by identifying deficiencies and concerns? When for the same investment, you can participate in an LBI Education Inspection which in addition to providing you with a more comprehensive report, also teaches you all about the property, answers your questions, and provides a report created to serve as an informative manual similar to what is in the glove box of your vehicle.

""Mark was AMAZING! I know so much about my new home. He paid attention to detail and answered every question I had with no problem. I would call him for help again with no hesitation.""

Shamara M on June 2024

- What sets me apart from other top inspectors is rather than spending 2-1/2 to 3 hrs. merely documenting the home's structure, systems, and components, and identifying deficiencies and potential problems; I focus upon teaching you about the home. Yes, it will be me, not a (surprise) employee, who will be serving you. Rather than simply enabling you to make informed decisions regarding your contract to purchase, I am enabling you to understand the specifics of your future home, which thereby enable me to teach you how to operate its systems most efficiently, reduce your energy costs, and how to maintain your home and protect your investment. You needn’t ask if you can accompany me and ask questions — I will arrive about an hour before you to set up my program, and document exterior conditions. Upon your arrival we will enter, conduct a detailed orientation, then inspect the home together. During which I’ll explain everything and answer any questions you may have. When we’ve completed inspecting, we’ll review the draft of the upcoming report, so you’ll know what issues will be in the report before we leave. Please be prepared to spent 4 hours with me. Why hire an inspector whose services merely meet Licensing and Certification minimum requirements which focus only upon protecting your contractual needs by identifying deficiencies and concerns? When for the same investment, you can participate in an LBI Education Inspection which in addition to providing you with a more comprehensive report, also teaches you all about the property, answers your questions, and provides a report created to serve as an informative manual similar to what is in the glove box of your vehicle.

""Mark was AMAZING! I know so much about my new home. He paid attention to detail and answered every question I had with no problem. I would call him for help again with no hesitation.""

Shamara M on June 2024


Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

60 Elm Hill Ave.
4.85(
347
)

Environmental Testing & Research Laboratories, Inc

60 Elm Hill Ave.
4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

Radon Detection and Reduction questions, answered by experts

Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.

In most states, radon testing companies don’t need to be licensed or certified by the state, but the companies that analyze the test results and develop radon mitigation protocols do. You should choose a radon testing company that suits your needs, but before hiring a mitigation specialist, check our state licensing tool to make sure the company is properly certified.

Since radon typically comes out of the soil, it is most commonly found in the lower levels of a home. In houses with basements, that's a common location for radon. Homes built directly on the ground may have radon on the ground floors. Radon can be found on the upper floors of the home, but often in lower concentrations than in lower levels.

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

You should have a professional test for radon every two to five years. A good rule of thumb is to get testing done every five years if you’ve never had an issue before and every two years if you have. You may also want to schedule testing if you notice symptoms of radon exposure or if you do intermittent DIY radon testing and notice changes in your levels between tests. If you have an active radon monitor, you can schedule testing if you notice levels increasing over time.

The Bridgeville, DE homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.