Finding a Qualified IEP (Indoor Environmental Professional) for Effective Mold Remediation

When faced with mold and water damage in your home, it’s crucial to approach the remediation process with caution and expertise. But how do you ensure that the remediation company you hire is equipped to handle the task effectively? The answer lies in hiring a quality Indoor Environment Professional (IEP) before involving the remediation company. A skilled IEP possesses the necessary training and knowledge to identify the root causes of water intrusion, mold growth, and other indoor toxins. By engaging their services, you can benefit from their comprehensive investigation of the entire home, their ability to detect hidden mold, and their commitment to ensuring compliance and preventing overcharging. Moreover, a quality IEP plays a crucial role in developing the protocol that guides the remediation process, guaranteeing that the most appropriate and effective methods are implemented.

The content provided on this website is based on personal experiences with mold and is for informational purposes only. It is not professional advice. For accurate guidance, consult a licensed mold professional. Mold situations can vary, and relying solely on personal experiences may not be suitable for your specific circumstances. We recommend seeking professional assistance for mold-related issues. We disclaim liability for any reliance on the information provided on this website.

Why Hire a Quality IEP Before a Remediation Company?

  1. Expertise in Identifying Water Intrusion and Mold: A quality IEP possesses the necessary training and knowledge to identify sources of water intrusion, mold growth, and other indoor toxins. Their expertise lies in investigative testing and assessment, which sets them apart from remediation companies.

  2. Comprehensive Investigation of the Entire Home: Unlike focusing on a specific area, an IEP conducts a meticulous evaluation of the entire home. This ensures that all problem areas are identified and addressed, reducing the risk of persistent health issues after remediation.

  3. Detecting Hidden Mold: Mold can often be concealed, making its detection challenging. A quality IEP employs their detective skills, experience, and attention to detail to locate hidden problem areas, even when mold is not visible or detectable by smell.

  4. Ensuring Compliance and Preventing Overcharging: By involving an IEP, you safeguard against unsafe practices, overcharging, and underservicing by the remediation company. The IEP acts as a reliable intermediary and keeps the remediation process in line with industry standards and best practices.

  5. Developing the Remediation Plan: A crucial responsibility of a quality IEP is to develop the protocol that guides the entire remediation process. This protocol serves as a detailed roadmap for the remediation company, outlining the necessary steps, procedures, and safety measures to be followed during the remediation process. By entrusting the IEP with writing the protocol, you can be confident that the remediation company will implement the most appropriate and effective methods to address the identified issues. The IEP’s involvement in this stage ensures that the remediation process aligns with industry standards such as the IICRC S520, focusing on what is safest for you rather than what is easiest for the remediation company.

  6. Post-Remediation Verification: Following remediation, the IEP conducts a post-remediation verification (PRV) process. This involves a thorough visual inspection and the collection of air and swab/tape samples to confirm that the area is free from mold at a microscopic level. The IEP should be the one to provide the “all clear” on a remediated space, not the remediation company.
Seemingly normal looking bathroom but mold hidden behind the tiles
Partially demolished tile area above bathtub with visible mold

What Does an IEP Do?

  1. Specialized Skills for Sensitive Individuals: A quality IEP understands how to work with individuals who are sick or sensitive to mold. They have experience in addressing the unique needs of such individuals and can provide personalized recommendations.

  2. Comprehensive Investigation: A thorough investigation by an IEP includes examining various areas of the home, such as the attic, basement, crawl space, behind appliances, under sinks, and outdoor spaces. They use tools like moisture meters, thermal imaging, and targeted testing to gather accurate information.

  3. Detailed Documentation and Findings: An IEP should document their observations and findings in writing, including photographs. They should also review the results with you and outline the full scope of the necessary work.

  4. Honest Assessment and Guidance: A quality IEP helps you understand the financial and logistical commitments required for remediation and fixing the underlying issues. They provide an accurate assessment of whether remediation is the best option or if alternative solutions, such as moving, should be considered.

Tips for Finding a Quality IEP

  1. Seek Recommendations: Ask for recommendations from trusted sources such as friends, family, or local environmental agencies. Online forums and support groups related to mold and indoor air quality can also provide valuable insights.

  2. Check Credentials and Experience: Research the credentials and certifications of potential IEPs. Look for certifications such as Certified Indoor Environmental Consultant (CIEC) or Certified Industrial Hygienist (CIH). Inquire about their experience working with sick or sensitive individuals.

  3. Request a Detailed Evaluation Process: Ask potential IEPs about their investigation process, including the areas they inspect and the tools and tests they use. A quality IEP should prioritize a comprehensive evaluation rather than relying solely on ambient air samples.

  4. Discuss Communication and Post-Remediation Verification: Clarify the IEP’s role as your main point of contact throughout the remediation process. Inquire about their post-remediation verification procedures and ensure they perform the necessary inspections and tests to confirm the effectiveness of the remediation.

  5. Request References and Review Feedback: Ask for references from previous clients and contact them to inquire about their experience with the IEP. Additionally, check online reviews and testimonials to gather more information about the professional’s reputation and the quality of their services.

Preparing for Your IEP’s Visit

To ensure a thorough investigation, take the following steps before your IEP’s visit:

  • Clear out items from under sinks.
  • Move furniture away from walls and windows.
  • Open curtains and blinds for better visibility.
  • Declutter closets to allow for easy inspection.
  • Turn off air purifiers/cleaners for 48 hours.
  • Provide a detailed history of the home and note any areas of concern.
  • Check with the IEP for any additional requirements.


Hiring a quality Indoor Environment Professional before involving a remediation company is a wise approach when dealing with mold and water damage. Their expertise, unbiased assessment, and commitment to your well-being contribute to the success of your remediation project. By involving a skilled IEP, you are more likely to have a safe and effective resolution to your mold issues.

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