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Trusted Home Inspection Services in Sussex, WI
At Criterion Home Inspectors, we pride ourselves on delivering comprehensive, detail-oriented home inspection services designed to empower informed real estate decisions. With decades of combined experience, our team utilizes advanced technologies such as infrared thermal imaging to identify hidden issues in electrical systems, insulation, plumbing, and structural components. Our certified inspectors conduct thorough evaluations of residential properties, offering in-depth analysis of potential risks like radon exposure, mold growth, and water contamination.

We prioritize client education, providing narrative-style reports with digital imagery to clearly illustrate findings and actionable recommendations. Our commitment to transparency, technical expertise, and customer-centric service has established us as a trusted authority in home inspection services across Southeast Wisconsin.
Services
Home Inspection Radon Testing Thermal Imaging Mold Assessment Water Quality Testing Infrared Scans Roof Inspection Plumbing Evaluation Electrical Safety Check Attic Inspection
Highlights and features
  • We provide infrared thermal imaging to detect hidden electrical and insulation issues.
  • Our inspectors hold certifications in radon testing and thermal imaging analysis.
  • Detailed 34-40 page reports include photos and repair cost estimates for transparency.
  • 20+ years of combined experience in identifying structural, plumbing, and HVAC defects.
  • Radon remediation systems installed by certified professionals for long-term safety.
Associations and certifications
  • ISO 9001
What people say
Thorough inspections Detailed reports Professional expertise Timely service Excellent communication
Services
Home Inspection
Our comprehensive home inspections examine structural integrity, electrical systems, plumbing, HVAC, and safety hazards. We identify maintenance needs and potential failures to inform purchasing decisions. Clients receive a 34+ page report with photos and repair recommendations, ensuring transparency about a property's condition.
Radon Testing
We conduct EPA-compliant radon testing using advanced monitoring equipment. Results determine if mitigation systems are required to reduce cancer risks from radioactive gas exposure. Our certified technicians install passive or active remediation systems priced between $800$1,400, depending on property size and radon levels.
Thermal Imaging
Infrared technology detects hidden moisture, electrical faults, and insulation gaps without invasive measures. Our certified thermographers identify heat loss patterns and structural defects, providing actionable data to improve energy efficiency and prevent costly repairs.
Mold Assessment
We test indoor air quality and surfaces for toxic mold species using moisture meters and lab analysis. Results guide remediation strategies to control humidity and eliminate spore growth, reducing health risks and property damage while maintaining EPA-recommended humidity levels.
Water Testing
Well water testing identifies bacteria, nitrates, and arsenic to ensure safe drinking water. We recommend annual testing for nitrate levels exceeding EPA standards and provide solutions for filtration systems to protect household health.
People
Ted Nelson
Owner & Lead Inspector
Ted Nelson, a certified home inspector with 15+ years of experience, specializes in thermal imaging and radon testing. He delivers detailed reports with repair cost estimates and safety recommendations, prioritizing client education and transparency during inspections.
Scott Nelson
Senior Inspector
Scott Nelson conducts thorough inspections with expertise in structural and HVAC evaluations. He provides clear explanations of findings and follow-up support for repair verification, ensuring clients understand property conditions before finalizing purchases.
Questions
What does a home inspection include?
Our inspections evaluate structural components, electrical systems, plumbing, HVAC, roof, foundation, and potential safety hazards. Infrared scans and radon/mold testing are available as add-ons.
How long does an inspection take?
A standard inspection takes 2.5–3 hours, with thermal imaging or specialized tests extending the duration. Reports are delivered within 24 hours.
Do you offer radon mitigation?
Yes, we install passive ($800–$1,100) and active ($1,100–$1,400) radon systems by certified technicians to reduce indoor gas levels below EPA safety thresholds.
Can I attend the inspection?
Clients are encouraged to join inspections. Our team explains findings in real-time and provides repair recommendations during the walkthrough.
What's included in the inspection report?
Reports feature digital photos, defect descriptions, repair urgency ratings, and cost estimates. Narrative format ensures clarity about property conditions and maintenance needs.
Do you inspect commercial properties?
Our primary focus is residential inspections. For commercial properties, we recommend contacting specialized firms with appropriate licensing.