Get matched with top radon gas abatement pros in Philadelphia, PA

"Replaced our aging radon fan for a reasonable price."

"The project went very well - Benedict explained what he would need to do clearly before we started, was prompt on the day we scheduled the fan installation, and worked efficiently. Our radon level is now 0.3 in our basement following fan installation. Highly recommend Radon Shield!"

"adon After I contacted him, he responded promptly.  While evaluating the area that needed radon mitigation, he called to discuss an area that had not been evaluated by inspectors (not affiliated with him).  After accepting his price, we agreed on the day for the installation.  During the installation, he was respectful and communicative.  After completing the installation, he provided written warranties for me and the buyer.  I highly recommend Keystone Radon Mitigators.
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"A two-man team worked very efficiently to remove each vent cover and vacuum inside the vent openings throughout the townhouse. One man removed the vent covers while the other man vacuumed inside the vent openings. No problems with how they worked but I think there are other companies who perform a more thorough cleaning of ductwork using other methods. This company did a superficial cleaning and worked very quickly. In and out within an hour.


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"I could not be happier with this company. They did the work right away, even working on the weekends. They were very knowledgeable about what needed to be done and how to get the debris tested they have been very responsive. They have continued to be helpful to me in dealing with the company that left the silica dust in my home. You will not be disappointed if you use this company. I have never seen a company that is so attentive to your needs.
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"We had an old sump system that was about 17 years old, and was allowing mold to run rampant around our basement. Basements.com not only gave me the best estimate, but they were by far the most knowledgeable about waterproofing and repairing the drainage issues. When they arrived they did a superb job replacing the old system and installing a new, far superior system. They also made sure that the system was closed, so no moisture or radon could leak up from the floors. I was extremely pleased with their level of service and the quality of the product. I highly recommend their service!"

"I've been using them for 5 years already and they are very consistent, they did the job very well."

Hera Tech, Inc. works with homeowners, realtors, schools and municipalities in various areas in order to provide a safe living environment. \n