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Learn about our screening process

4 Years In Business

Company Details

  • Verified Licenses
  • Bilingual


  • Mon: 8:00 AM - 6:00 PM
  • Tue: 8:00 AM - 6:00 PM
  • Wed: 8:00 AM - 6:00 PM
  • Thu: 8:00 AM - 6:00 PM
  • Fri: 8:00 AM - 5:00 PM
  • Sat: 10:00 AM - 1:00 PM
  • Sun: Closed
View All Details & Credentials


Service Details

  • Residential Work
  • Commercial Work

Areas of Expertise

  • Basement Waterproofing
  • Sump Pump Installation and Maintenance
  • Crawl Space Encapsulation
  • Dehumidifier Installation and Maintenance
  • Basement Air Quality Improvement
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Warranty Offered
  • Credit Cards Accepted


26 Verified Reviews*
  • 5
  • 4
  • 3
  • 2
  • 1

Highly rated for

  • Quality
  • Customer Service
*Reviews imported from Google have not been individually verified by HomeAdvisor.
Showing 1-10 of 26 results
5.0 Qasim M. Fairfax, VA


5.0 James Cohen Google Review

Brent and the team do a great job installing and maintaining my sump system. Basement is drier than a nun in the Sahara.

Response from Company:

That sir, is high praise. We appreciate the review and near perfect description of what is written in our Sump Pump installation manual. Thank you for giving us an opportunity to help with your home.

5.0 Shruti Google Review

I contacted 3 Pros to inspect and repair a water leak in the basement. Pedro responded pretty quickly and came over the next day to identify the source of the leak. It turned out that the leak was coming from the water heater which was long due for replacement. Pedro was very professional, kind, and knowledgeable about the problem and gave us sound advice on what kind of water heater to order and how to salvage our basement flooring from mold. He really didn’t have to help us but he went out of his way to give us suggestions for a DIY project. 3 Pros will be on my speed dial for future waterproofing projects and I strongly recommend them to anyone looking for quick, fair and exceptional customer service for basement waterproofing. Thank you Pedro!

Response from Company:

We happy to have been able to help in any capacity. Thank you for the positive feedback and kind words. We will be sure to commend Pedro for his efforts in advising you.

5.0 Nicholas W Wells Google Review

Brent did an excellent job installing dehumidifiers and improving the air quality of the crawlspaces and basement. Outstanding results. Thank you very much. We appreciate it.

Response from Company:

We are happy to have been able to help and hope you enjoy the results of the work that Brent did for years to come. Thank you for the opportunity to let us help with your home.

5.0 Mia Taylor Google Review

Stellar service! Fair prices. Professional and knowledgeable!

Response from Company:

Thank you for the feedback and great review! We appreciate you giving us an opportunity to help with your home project and hope you will enjoy the results for years to come.

5.0 Irene Cahill Google Review

Professional and quick installation by Brent!

Response from Company:

Thank you so much for the review. We appreciate you giving our team an opportunity to help with your home needs.

4.0 Matt B. Falls Church, VA

Quick and easy.

4.5 Jacqueline D. Leesburg, VA

Definitely made a difference in my attic!

4.5 Ryan H. Alexandria, VA

The process was explained in great detail which helped me understand what was recommended to have done and why. The Comfenergy contractors that came onsite were super friendly and respectful. They did a great job and showed me the work that they did. The only issue I had was that they didn't know what to charge me after the work was done. I had to look up what I had put down on the deposit, then let them know the balance. The next company to come out was Atlantic Duct Cleaning for the duct cleaning and the Aeroseal duct sealing. Again, the contractors were friendly and thorough. They showed me before and after pictures of the ducts, and I got a report of the Aeroseal results from before to after. I can feel the difference in the warmth of the home. I would recommend both companies.

5.0 Matthew B. Arlington, VA


3 PROS Basement System
Arlington VA Crawl Space
Herndon VA Crawl Space
Winchester VA Sump Pump
RainDrop Gutter Guards
Basement Waterproofing
Clean Space Installation

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Seal of Approval

What is the screening process that Service Professionals go through in order to become members of the HomeAdvisor network?

  1. Verify Trade License
    HomeAdvisor checks to see if the business carries the appropriate state-level license.
  2. Verify Insurance
    As a part of our screening process, we encourage professionals to carry general liability insurance. We require coverage for hundreds of services.
  3. Verification of State Business Filings
    For business types that require a Secretary of State filing, we confirm that the business is in good standing in the state in which it is located.
  4. Criminal Records Search
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  5. Sex Offender Search
    We confirm that the owner/principal is not listed on the official state Sex Offender web site in the state in which the owner/principal of the company is located.
  6. Bankruptcy Search
    We use 3rd party data sources to check the history of the principal/owner of the business for bankruptcy filings by or against them.
  7. Legal Search for Civil Judgments
    We use 3rd party data sources to check the principal/owner of the business for state level civil legal judgments entered against them.
  8. Liens Search
    We use 3rd party data sources to check the principal/owner of the business for liens placed against them.
  9. Identity Verification (SSN)
    HomeAdvisor verifies the social security number(s) of the owner/principal for identity check purposes. This check applies primarily to smaller business entities.
  10. Identity Verification (Reverse Phone Lookup)
    We conduct a reverse business phone lookup to identify records matching the phone number information provided by the business.

NOTE: Member service professional information confirmed as described above may change or expire over time; while HomeAdvisor attempts to maintain accurate and up-to-date information, and confirms changes when notified, we cannot guarantee that profile and screening information is accurate. Therefore, we recommend that before working with a service professional you verify that information presented is still current and/or acceptable to you.
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