Indoor Environmental Engineering

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Healthy Building Services • Diagnostic Services • Laboratory Services

Indoor Environmental Engineering (IEE) is a building science consulting firm with 27 years of experience diagnosing building air quality problems and designing healthy and energy efficient indoor environments. Our staff of professional engineers, building scientists, and industrial hygienists use state-of-the-art field assessment instrumentation and computer simulation models to investigate ventilation and air quality issues in a wide range of building occupancy types, including office, hospital, school, laboratory, and single and multi-family residential.
Our Services Include:
Healthy Building Services. IEE provides building material emission testing/modeling, ventilation system performance assessments, construction & renovation practice plans, and indoor air quality operation & maintenance procedures, We also provide all USGBC LEED ventilation and indoor air quality testing certifications.
Diagnostic Services. IEE utilizes annual proactive IAQ Checkups™ to help maintain comfortable work environments and identify IAQ problems early, thus minimizing occupant complaints. In response to occupant concerns, we utilize a hypothesis-based six-step protocol to quickly and accurately diagnose building air quality problems and prescribe effective mitigation measures. These services include ventilation and air contaminant measurements/modeling, microbial inspections and clearance inspections, tracer gas and air pressure investigations of odor intrusion problems.
Laboratory Services. IEE has state-of-the-art analytical and ventilation laboratories to accommodate all the needs of IAQ investigations and research studies.
Indoor Environmental Engineering is committed to the advancement of energy efficient buildings with healthy indoor environments.

Ventilation and Indoor air Quality in New Homes -
Study of ventilation and indoor air quality in 108 new homes. Airtight construction practices contributing to elevated indoor air contaminant concentrations force changes to the California Building Code.
Residential Outdoor Air Ventilation Systems
Do intermittent mechanical outdoor air systems provide IAQ that is equivalent to continuous systems ?
Safe Indoor Air Criteria
Can we define what constitutes safe indoor air in our pursuit of net zero energy buildings ?
The IAQ Top Ten
Bud Offermann PE CIH gives his list of the top 10 items for reducing and fixing IAQ complaints.
Adressing Mold In Homes

Current & Recent Projects
Ventilation and Indoor Air Quality in New California Homes
Ventilation and Indoor Air Quality in Multi-Family Homes
More Projects >>

7th Internatioal Confernece on IAQ, Ventilation, and Energy Conservation