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    For The Life of Your Building

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    We Practice What We Preach

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    “I Want Tozour on My Next Job”

  • From design to system retrofit, TES has the people, technology, and knowledge to maximize your building’s performance.
  • Tozour’s suburban Philadelphia LEED®-CI certified headquarters scores an excellent 86 ENERGY STAR rating.
  • From your local high school to center city trophy buildings, engineers and owners partner with us for the long term.

Tozour Energy Systems (TES) is a full-service HVAC and building automation provider based in suburban Philadelphia. As the Trane commercial equipment franchise for Philadelphia and South Jersey, TES offers a multitude of climate solutions for commercial buildings. TES is committed to delivering superior operating results at our clients’ buildings and to those deriving value from them. Throughout the life of every building, TES stays connected to continuously measure and improve system performance.

TES aligns its business with clients’ changing needs. Continuous measurement of building performance enables Tozour clients to see the result of service and upgrades performed. TES is a recognized innovator—constantly evolving and offering a multitude of selections and flexibility. As leaders in building automation systems, Tozour practices proactive energy management through continuous improvement of building performance. TES is proud to have an excellent safety record with a best in class EMR: 0.685.

Our Culture



One highlight to the company’s giving back efforts is the Tozour Day of Service. For the past several years, employees, spouses, and friends have become involved with Habitat for Humanity, the Ronald McDonald House, Toys for Tots, and SPIN (Special People in the Northeast)—among other charities in nearby communities. In addition, the company’s Chairman, Doug Tozour heads the Tozour Family Foundation, which matches charitable contributions up to $1000/year per employee—making TES one of the most charitable companies in the region.
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For four consecutive years, Tozour Energy Systems has been honored by the Philadelphia Business Journal as one of the “Best Places to Work”—an iconic award ranking the top employers in the Greater Philadelphia area based on scores submitted by their own employees. Tozour employees participate in a confidential survey, relating to work-life balance, respect and caring for colleagues, recognition of accomplishments, feeling empowered, teamwork and commitment to the community.
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News & Events



Former Director of Equipment Sales Named General Manager of Building Automation King of Prussia, Pa. — November 17, 2015 — Tozour Energy … read more

Ice is Nice: Tozour Energy Systems Hosts Event On Thermal Storage Solutions

Trane, CALMAC and Fellon-McCord Join Tozour in Examining Best Chilling Practices King of Prussia, Pa. — Oct. 9, 2015 — While we’re enjoying … read more

Tozour Energy Systems Showcases Latest HVAC Technology

Trane Franchises Partner Hosts Product Demonstrations at Xfinity Live! King of Prussia, Pa. — August 26, 2015 — Tozour Energy Systems and … read more



building logixLEED C-I

Tozour’s headquarters at 3606 Horizon Drive is a LEED-certified facility, reducing its environmental footprint and providing a healthy place to work.

EnergyStarbuilding logix

Tozour Energy Systems is an ENERGY STAR Service and Product Provider and operates by example using energy savings strategies in its headquarters facility.

Best Places to Work

For four consecutive years, Tozour Energy Systems has been honored by the Philadelphia Business Journal as one of the “Best Places to Work”.

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Featured Client

AWeber Communications, developer and provider of an opt-in e-mail marketing service used by 120,000+ small businesses, bloggers, and entrepreneurs around the world, prides itself on doing things a little differently. In addition to being an innovator, AWeber is passionate about the environment. When they first moved into their 71,000-sq-ft building, they needed the right controls to link all of their HVAC equipment and lighting systems to ensure cooperative and efficient operations. TES worked with company founder Tom Kulzer to enable monitoring from one easy-to-access location. Read More >

Featured Program

Chiller R’Newal Service Program. Extend the life of your chiller! This program provides a comprehensive service that restores air and water cooled chiller performance by replacing worn compressor and/or failed components. The R’Newal program brings your existing chiller to the same level of reliability and performance offered by a new Trane chiller. Contact your Tozour representative at 855-4-TOZOUR for more information on the event.