IAQ for the HVAC Technician w/ Brynn Cooksey

Key takeaways

Indoor air quality (IAQ) presents a substantial revenue opportunity for HVAC technicians.
Systematic testing and measurement of six critical IAQ parameters can greatly enhance customer trust and satisfaction.
Effective management of IAQ requires both source control and appropriate ventilation strategies.
Carbon monoxide testing is essential on every service call to ensure occupant safety.
Energy Recovery Ventilators (ERVs) offer optimal solutions for balanced ventilation and improved indoor air quality.

Summary

Indoor Air Quality (IAQ) as a Profit Center

In this session, Brynn Cooksey discusses how indoor air quality (IAQ) has become a significant profit center for HVAC contractors. He emphasizes that many contractors see IAQ testing as just another service, but with the right approach, it can drastically enhance their profitability. Cooksey highlights the importance of understanding the market potential, stating that Americans spend about 90% of their time indoors, where air quality can be significantly worse than outdoors. This presents a lucrative opportunity for contractors to educate consumers about IAQ and position themselves as solution providers.

Six Critical IAQ Parameters

Brynn dives into the six key parameters of indoor air quality that every HVAC technician should measure: particles (especially harmful PM 2.5), volatile organic compounds (VOCs), carbon dioxide, carbon monoxide, humidity, and temperature. Each parameter is discussed in detail, outlining methods of measurement and their corresponding health impacts. Cooksey insists that by testing these parameters, technicians not only protect occupants' health but can also provide concrete proof of the service's value.

Systematic Testing Methodology

The podcast advocates a 'test in, implement solution, test out' approach for IAQ testing that helps technicians diagnose air quality issues accurately and demonstrates the effectiveness of their solutions to customers. This methodology fosters customer trust and satisfaction as clients can see measurable improvements after the implementations of any corrective action taken.

Strategies for Particles and VOCs Management

Cooksey talks about source control strategies for managing particulate matter and VOCs in indoor environments, including filtration options like MERV-13 to MERV-16 and duct cleaning improvements. He stresses the importance of controlling the source of these pollutants and educating clients about proper chemical storage to minimize VOC exposure within their homes.

Importance of Carbon Monoxide Testing

The crucial role of carbon monoxide testing is highlighted, with Cooksey emphasizing that every service call must include CO testing due to its potentially life-threatening nature. He discusses the differences between standard CO detectors and low-level ones, arguing for the latter to ensure the safety and well-being of occupants.

Ventilation as the Silver Bullet

Cooksey concludes with the necessity of implementing effective ventilation strategies to improve overall IAQ. He explains various approaches—supply-only, exhaust-only, and balanced ventilation—and advocates for Energy Recovery Ventilators (ERVs) as the best solution. Ventilation is described as a silver bullet for improving indoor air quality and achieving a healthier living environment.

Show notes

In this episode from the 6th Annual HVACR Training Symposium, Brynn Cooksey, a home performance contractor from Michigan and technical training business owner, reveals how indoor air quality (IAQ) testing transformed his contracting business from a commodity service into a profitable specialty. Cooksey shares his proven methodology for turning IAQ into an "instant profit center" by implementing systematic testing on every service call.

Cooksey opens with a striking reality check: according to the EPA, Americans spend 90% of their time indoors, yet indoor air quality is 2-5 times worse than outdoor air. This presents a massive opportunity for HVAC contractors, as he explains that consumers are already spending $10 billion annually on air quality products at big box stores - but they're treating symptoms rather than addressing root causes. His approach involves educating contractors on how to position themselves as the solution providers rather than letting customers self-diagnose with retail products.

The presentation dives deep into six critical IAQ parameters that every contractor should measure: particles (especially dangerous PM 2.5), volatile organic compounds (VOCs), carbon dioxide, carbon monoxide, humidity, and temperature. Cooksey emphasizes his "test in, implement solution, test out" methodology, demonstrating how this systematic approach not only ensures customer satisfaction but also provides concrete proof of value delivered. He shares real-world examples, including a dramatic case where routine IAQ testing during a water heater service call revealed a cracked heat exchanger that could have been life-threatening.

The episode concludes with extensive coverage of ventilation strategies, which Cooksey calls the "silver bullet" for IAQ improvement. He walks through the differences between supply-only, exhaust-only, and balanced ventilation systems, strongly advocating for Energy Recovery Ventilators (ERVs) as the optimal solution. His practical approach includes using DOE's free REDCalc tool for proper ventilation sizing and emphasizes the importance of controlled ventilation over relying on natural air leakage - debunking the myth that "houses need to breathe."

Topics Covered

The IAQ Business Case: How testing indoor air quality on every service call creates new revenue streams and differentiates contractors in a commoditized market
Six Critical IAQ Parameters: Detailed explanation of particles (PM 2.5), VOCs, carbon dioxide, carbon monoxide, humidity, and temperature - what they are, how to measure them, and health impacts
Systematic Testing Methodology: The "test in, implement solution, test out" approach that provides measurable results and customer proof of value
Particle Control Strategies: Source control, enhanced filtration (MERV 13-16), duct cleaning benefits, and duct sealing with Aeroseal technology
Chemical and VOC Management: Understanding formaldehyde and benzene sources, proper storage techniques, and why PCO devices aren't recommended
Carbon Monoxide Detection: The life-saving importance of testing every home, understanding chronic vs. acute exposure, and why standard CO detectors aren't sufficient
Ventilation as the Silver Bullet: Comprehensive coverage of supply-only, exhaust-only, and balanced ventilation strategies, with strong emphasis on ERV systems
Practical Implementation Tools: Using DOE's REDCalc tool for ventilation sizing, integrating IAQ testing into service calls, and customer communication strategies
Real-World Case Studies: Multiple examples of IAQ testing uncovering dangerous conditions, from cracked heat exchangers to improper combustion appliance installation
Building Science Integration: How IAQ testing leads to broader building performance improvements, including duct sealing, insulation, and equipment sizing corrections

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