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Closed-Loop Clean
Air Systems for
Ventilation Efficiency.

Day One ROI. Less Energy. Cleaner Air.

Every dollar spent on smartIAQ can save up to $8 in equipment costs

The smartIAQ® Project Builder
Ventilation design just got easier.

HVAC ventilation design is the largest energy saving opportunity in buildings today, with IAQP designs cutting ventilation air by up to 50% and delivering 6-9% total building energy savings. See how real projects are putting those numbers to work.

The smartIAQ Project Builder is a web-based IAQP ventilation calculator that does what the spreadsheet never could.

Build complete projects based on ASHRAE 62.1, configure ventilation and equipment schedules, and let built-in error checking catch mistakes before they reach your drawings. Import, save, and share your work from anywhere. 

<p>Try the smartIAQ</p> <p>Project Builder</p>

  •  Free and Web-Based 

  •  Built on ASHRAE 62.1 Standards

  • Import, Save, and Share Projects

  • Always Current with Latest Features 

  • Generates Editable Equipment Schedules 

Engineered to Make Ventilation Efficiency Easy.

smartIAQ is not a device. It is a standards-based approach to delivering clean air inside the space while reducing outdoor air and conditioning load. It gives engineers a practical way to achieve ventilation efficiency through IAQP and verify results with confidence.

Explore smartIAQ
Systems

Proven IAQP and Ventilation Efficiency Performance

See how real buildings reduced outdoor air, downsized equipment, and improved IAQ with smartIAQ.
Background of case study for K-12 school designed with IAQP for cost savings.
IAQP Unlocked Major HVAC Savings
Learn how a K-12 school used smartIAQ and the IAQP to unlock major project savings. 
Read the Case Study
University classrooms renovated from office space with IAQP.
IAQP Solves University Retrofit Challenge
Lower outdoor air needs helped the project avoid costly mechanical upgrades.
Read the Case Study
gpsair-smartiaq-church-savings-iaqp-1
Church Eliminated 75 Tons of Equipment
By reducing outdoor air with IAQP, the project saved more than $170,000 in upfront cost.
Read the Case Study

Professional Engineer Support for Ventilation Efficiency

Our Application Engineering team helps you evaluate ventilation strategies, reduce outdoor air requirements, and document IAQP-based designs. From initial questions to full project reviews, you get guidance tailored to your building type, system configuration, and design goals.

Start Your
Design Review

  • Project Reviews
    Send drawings, calculations, or design goals. Our Professional Engineers will review outdoor air requirements, IAQP potential, and system impacts specific to your project.

  • Technical Guidance
    Get clarity on IAQP documentation, contaminant limits, equipment considerations, and how smartIAQ integrates into existing or new HVAC systems.

  • Ventilation Optimization
    Identify opportunities for reduced outdoor air, improved ventilation efficiency, and more cost-effective HVAC designs.

A smartIAQ System for Every Application

From classrooms to complex facilities, smartIAQ delivers scalable ventilation efficiency. Choose Distributed for single or multi-zone installs, Centralized for system-wide integration, or Performance for maximum contaminant removal.

Empty classroom where indoor air quality is critical to learning.

smartIAQ GridSet™

The simple path to cleaner air, first cost savings and lower utility bills.

Learn More
Office space where smartIAQ provides better indoor air quality.

smartIAQ Distributed

Delivers in-room or multi-zone air cleaning without relying on central HVAC.

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Large school gymnasium that needs a lot of air cleaning when full of people.

smartIAQ Centralized

Installs as a side-stream to your AHU, enabling system-wide ventilation efficiency.

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Laboratory in a hospital or university where cleaning air contaminants is critical.

smartIAQ Performance

Engineered for high-demand environments, providing constant IAQ protection.

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How smartIAQ Works in a Ventilation Design

A Closed-Loop System That Delivers Verified Results


smartIAQ monitors indoor contaminants, cleans as needed, and confirms that IAQP design targets are being met. This closed-loop approach gives engineers confidence to reduce outdoor air without compromising indoor air quality.

Want to dig deeper into the technology or standards?

Read Our White Papers
smartIAQ sensors monitor for ASHRAE Standard 62.1 contaminants of concern including TVOS, CO2, and Particles

See smartIAQ in Action

Watch how smartIAQ improves air quality, reduces outdoor air, and integrates into real building designs. 
smartIAQ Systems Introduction
Introducing smartIAQ GridSet™

Could the Indoor Air Quality Procedure Be the Largest Savings Opportunity Being Overlooked?

 IAQP is the engineered path to ventilation efficiency, reducing outdoor air and delivering both lower first cost and long-term energy savings. 

Connect With An Expert
ASHRAE Logo
The VRP is an indirect solution to achieving IAQ. The IAQP is a more direct approach to the goal of indoor air quality.
The IAQP may allow for a more cost-effective solution to providing good air quality...
The IAQP may also be used to achieve better air quality than the VRP (lower contaminant levels and/or higher perceived acceptability) with or without increasing first cost or maintenance cost.
ASHRAE 62.1-2019 Standard 62.1 User’s Manual
ASHRAE 62.1-2019 Standard 62.1 User’s Manual
ASHRAE 62.1-2019 Standard 62.1 User’s Manual