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City of Des Peres Teams with Trane and Synexis to Improve Indoor Air Quality and Surface Cleanliness at Recreation Center

May 17, 2022

30-day results show dramatic improvement in surface cleanliness at The Lodge Des Peres

DAVIDSON, N.C., May 18, 2022 – Trane - by Trane Technologies (NYSE: TT), a global climate innovator - is pleased to announce that the City of Des Peres, Mo., has reported a nearly 70% improvement in the cleanliness of surfaces at The Lodge Des Peres recreation center thanks to indoor air quality enhancements installed at the popular location.

Early in the pandemic, the City teamed up with Trane to conduct an Indoor Air Quality (IAQ) assessment at City Hall, the public safety building, and The Lodge Des Peres to ensure key measures were implemented to help make these public buildings as clean as possible for the staff, community and first responders. The assessment identified several opportunities for indoor air quality enhancements which would supplement the City’s already robust air quality measures, including upgrading to higher levels of filtration and additional controls programming. The recommendations are part of Wellsphere, Trane’s holistic approach to indoor environmental quality.

Next, the City focused in on The Lodge, as the recreation center is a popular community gathering space for meetings and a variety of fitness activities. With the help of a Federal Emergency Management Agency (FEMA) grant, the city installed Synexis® Dry Hydrogen Peroxide (DHP) technology in the meeting rooms, gymnasium, fitness area, indoor track and locker rooms to help address surface cleanliness. Surface samples were collected prior to activating the system, then at 14 and 30 days. Third-party testing revealed that the presence of microbes on surfaces decreased by an average of 69.2% in the first 30 days after the Synexis units were turned on.

“We want the community, Lodge members, and our staff, to feel confident that when they come to the community center, they are in an environment that’s as clean as possible,” said Douglas Harms, city administrator. “It’s our hope that the addition of Synexis units – which run continuously, and with proven results – will increase assurance that the city is working hard to prioritize the cleanliness of the overall indoor environment.”

The Synexis Sphere and Sentry units installed offer innovative technology to continuously address certain harmful pathogens in air and on surfaces. Synexis uses a process by which naturally occurring oxygen and humidity in the air is converted to Dry Hydrogen Peroxide (H2O2) or DHP. DHP molecules travel throughout an enclosed space to actively reduce levels of certain viruses, bacteria, mold, odors, and insects.

“We applaud the City of Des Peres for going the extra mile to create cleaner indoor spaces for its residents, staff and members of the community who frequent these key public spaces,” said Jennifer Geen, senior account manager, Energy Services and Solutions, Trane. “The early results at The Lodge Des Peres show that indoor environmental quality investments make a difference and will continue to benefit the community for years to come.” 

# # #

About City of Des Peres, Mo.
City of Des Peres; a suburban community located at the intersection of Interstate 270 and State Route 100 (Manchester Road) in west St Louis County, is home to 9,193 residents and an expansive daytime population due to its vibrant commercial corridor along Manchester Road. The city is home to West County Shopping Center and its landmark Dove overlooking I-270, the International Headquarters of Edward Jones, and the Midwest Regional Headquarters of McCarthy Building Companies. The City is best known in St Louis for its quality of life that includes outstanding schools, residential areas and extensive park systems including 5 parks and 2 nature preserves along with The Lodge Des Peres - a 75,000-square foot recreation center featuring both indoor and outdoor aquatic features, fitness center, gymnasium, expansive recreational program opportunities for all ages and hotel quality meeting rooms which serves as a regional recreation facility.

About Trane
Trane – by Trane Technologies (NYSE: TT), a global climate innovator – creates comfortable, energy efficient indoor environments for commercial and residential applications. For more information, please visit or

About Trane Technologies
Trane Technologies is a global climate innovator. Through our strategic brands Trane® and Thermo King®, and our portfolio of environmentally responsible products and services, we bring efficient and sustainable climate solutions to buildings, homes and transportation. Visit

Trane Technologies™ has a non-controlling minority financial interest in Synexis LLC, a provider of DHP technology.

About Synexis
Synexis® develops cutting-edge BioDefense Systems designed to make air and surfaces cleaner. The Synexis BioDefense Systems are regulated by the US Environmental Protection Agency (EPA) and state governments as antimicrobial devices. Accordingly, Synexis devices are produced in an EPA-registered facility and packaged and labeled in accordance with EPA regulations appearing at 40 CFR 152.500. The Synexis BioDefense Systems are Underwriters Laboratories (UL) Certified (UL2998) to produce no ozone and work continuously without disruptions in normal operations or workflow. Synexis is protected by worldwide patents. In addition, Synexis DHP™ Technology is supported by data from seven peer-reviewed studies.[i],[ii],[iii],[iv],[v],[vi],[vii]

Founded in 2008, Synexis LLC is a leader in microbial reduction and the sole developer of patented technology that creates and continuously disperses Dry Hydrogen Peroxide (DHP™) to help reduce the presence of microbes in indoor spaces around the clock, without the need for occupants to evacuate the space. 

For more information, visit

Media Contact:
Kelly Hydeck                                       
Trane by Trane Technologies               


[i] Melgar M, et al. Effectiveness of dry hydrogen peroxide on reducing environmental microbial bioburden risk in a pediatric oncology intensive care unit. American Journal of Infection Control (AJIC) (2020).

[ii] Melo EF, et al. Effects of a dry hydrogen peroxide disinfection system used in an egg cooler on hatchability and chick quality. Poultry Science. Vol. 99, Nov. 2020.

[iii] Sanguinet J, Edmiston C. Evaluation of dry hydrogen peroxide in reducing microbial bioburden in a healthcare facility. AJIC (2021).

[iv] Huang Y, et al. Treatment with Dry Hydrogen Peroxide Accelerates the Decay of Severe Acute Syndrome Coronavirus-2 on Non-porous Hard Surfaces. AJIC (2021).

[v] Sanguinet J, Lee C. An effective and automated approach for reducing infection risk from contaminated privacy curtains. AJIC (2021).

[vi] Herman, C.K., Hess, J., Cerra, C. Dilute Hydrogen Peroxide Technology for Reduction of Microbial Colonization in the Hospital Setting. AJIC (2015).

[vii] Melgar MD, M., Ramirez RN, M., Chang MD, A., Antillon MD, F., Impact of Dry Hydrogen Peroxide on Hospital-Acquired Infection at a Pediatric Oncology Hospital, AJIC (2021).