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Comprehensive On-Site

Building Science Investigations

Happy Family

Improving Indoor Air Quality for Healthier Living

From chemical pollutant analysis to radon and mold testing, we offer investigation services for a variety of harmful indoor toxins. We ensure that you, your family, or your employees are breathing safe air that's free of unhealthy substances in your home or office.

Indoor Inspections

Improve the Air Quality In Your Home Or Office
Call (413) 568-7701


About Us

Home Environmental Services in Westfield, Massachusetts, offers expert investigation services for environmental concerns in your home or office. Our expertise focuses on enhancing the indoor air quality of homes and buildings to ensure safe air quality.

With a background in the basic sciences and a knowledge of forensic investigative techniqes, our founder Walt Baenziger has been a leader in providing home environmental services and comprehensive on-site building science investigations for homes and businesses in New England for 20 years. Using sensitive equipment, laboratory analysis, and an extensive knowledge of building materials and systems, Walt and our team can identify the causes of problems and guide clients in obtaining healthy indoor conditions.

Mr Baenziger has performed more than 5000 comprehensive environmental assessments in residential, commercial, non-profit, and government buildings, and he has been retained as an expert witness in a number of Court cases that required proof of condition and causality.  Walt is also a Licensed Massachusetts Asbestos Inspector, New York Mold Assessor, and Massachusetts Construction Supervisor.  

If you suspect that indoor materials or conditions are causing health issues for your family, residents, or employees, we can help determine the cause and implement a swift solution for safer breathing. We provide a clear scientifically based understanding of the causes of biological, chemical, or particulate pollutions in both residential and commercial settings—and the steps necessary to eliminate them quickly and efficiently.

NEW: Rapid Detection of SARS-CoV-2 (COVID-19) on surfaces by Quantitative PCR

Walt Baenziger is now testing surfaces to confirm the presence/absence of SAR-CoV-2, otherwise known as COVID-19

This NOT Clinical sampling (human testing).

Senior Citizen and Low Income Discounts


Thank you for your interest. For questions or comments, please use the information listed here. We look forward to hearing from you soon.

(413) 568-7701 or (413) 427-3416

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(413) 427-3416

Hours of Operation
Monday - Friday: 9:00 a.m. - 6:00 p.m.

Customer Contact Hours
Weekend and After-Hours Available By Appointment

4 School Street
Westfield, MA 01085

Service Area
Westfield, MA, and All New England States plus New York


Environmental Protection Agency

Centers for Disease Control and Prevention