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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 five 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


Tozour Energy Systems Earns Fifth Consecutive “Best Places to Work” Title

Aug. 26, 2016 — Full-service HVAC and building automation provider Tozour Energy Systems has once again been named one of Greater Philadelphia’s … read more

Rental Offerings from Tozour Energy Systems Make Emergency Fixes a Breeze

Aug. 2, 2016 — A system failure in the summer heat can mean sweltering offices, uncomfortable residents or, worst of all, full-on evacuations. … read more

Tozour Energy Systems Receives Back-to-Back “Healthiest Employer” Titles

May 27, 2016 — The Philadelphia Business Journal has named Tozour Energy Systems a “Healthiest Employer” for the second year in a row on the … read more




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


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 – 5 Consecutive Years

For five 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

Tozour Energy Systems has been providing HVAC maintenance services for Chiral Technologies in West Chester, PA for 10 years. In 2016, Chiral Technologies is projected to earn $16,000 in energy savings, the equivalent of planting 138 trees and reducing 28 tons of carbon dioxide. The cost of Chiral’s energy purchase is expected to drop by 22 percent. To learn more about the scope of this project, click here.

Featured Program

When you lose power or HVAC capabilities, you want everything back up and running as quickly as possible. Count on Tozour Energy Systems as your trusted partner to provide temporary equipment to maintain the operation of your facilities and keep your customers, patients, and students comfortable and safe.

Failures happen. Tozour stands ready to step in and provide emergency services, parts, rentals, or other services to keep your facility running 24×7. Learn more about our Rental Services >