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About Us

When you choose to work with SLTNS Engineered Systems® over others, you can look forward to unparalleled and extraordinary service on all of your projects.

Expect More.

SLTNS Engineered Systems® is a specialized professional manufacturers' representative, focusing on advanced building technologies such as stairway & elevator hoistway pressurization controllers, combustion & make-up air systems, clothes dryer exhaust systems, multistory exhaust systems, special gas vents, chimneys, generator & engine exhaust, mechanical draft systems, draft controls, parking garage exhaust system controllers, and commercial kitchen exhaust (grease) ducts.


At SLTNS Engineered Systems®, we take great pride in surpassing your expectations. Our company prioritizes long-term relationships over short-term profits. To ensure our relationships thrive, we adhere to the following three principles in every project we undertake:


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Our engineers are active members of multiple codes and standards committees including ASHRAE’s TC6.10, NPFA 54, NFPA 211, and UL378. In addition, we have a thorough understanding of the IFGC, IMC, and NFPA 92.


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We believe in long-term customer relationships. In order to build loyalty and trust with our customers, we always provide you and your client with the proper solution even it does not fit within our product portfolio.


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Our engineers have over three decades of design experience so we don’t have to rely on computer programs or manufacturers to guide your design. Additionally, our estimators have full knowledge of our product line to ensure questions get answered correctly.

Meet Our Team

Our team consists of individuals with extensive experience, expertise, and energy for providing superior customer service and technical assistance.


 When you choose to work with us, you can expect unmatched and exceptional service on all of your projects.


Brian Ryglewicz



Antonella Lia

Director, Operations & Finance


John Kim

Senior Applications Engineer


Linda Ryglewicz

Customer Service Manager


Nicole Melissant

Inside Sales

Jamie Lamb

Estimating Manager


Nick Meece



Kelli Hewitt



Krystal Apanah

Office Manager


Michael Ryglewicz

Senior Field Technician


Bob Lamb

Field Technician

Glass Buildings
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