Energy Management Simplified

TCS connects buildings with business strategy

to optimize energy usage and reduce costs

Meet Ubiquity Cloud

Trusted by the brands you know

TCS has manufactured hardware for the building controls market for 40 years. Thousands of retail locations, schools, churches and multi-site organizations save energy and improve operations with Ubiquity Cloud and TCS controls, including application-specific BACnet controls, thermostats, and sensors.


TCS understands branch bank security requirements.

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High-end retailers choose TCS for customer comfort and safety

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Keep the kitchen staff and the dining room comfortable.

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Trusted by some of the largest school districts in the US.

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Driven to Deliver Value

Customers engage with TCS to…

Increase efficiency

of both energy usage and maintenance workflows

Reduce waste

through more effective service call dispatch

Remotely access

their energy-consuming assets like HVAC and lighting

Work with the IT team

to avoid internal obstacles to moving your project forward

Store big data

to explore complex analytic insights

Avoid supply issues

with TCS products and software made in Wisconsin
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TCS Academy

Events, webinars & technical courses

Keep TCS on your radar to learn best practices and the latest trends from some of the brightest minds in the HVAC industry. We love to reach out to our customers and prospects in-person whenever possible through regular webinars, in-house training, tradeshow appearances, and forums. Get in on the action!

Managing Ubiquity Cloud – Webinar

February 21, 2024

Join us for the Managing Ubiquity Cloud Webinar on Wednesday, February 21! 2 This webinar provides an overview of the…

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Ubiquity Cloud – New User Webinar

February 21, 2024

Join us for the Ubiquity Cloud – End User Webinar on Wednesday, February 21! 2 This webinar is designed for…

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TCS Academy


Serving the industry

TCS solutions are easy to find in the marketplace. After many years of working directly with independent mechanical contractors, HVAC service contractors, and large enterprise customers, today TCS products and energy management building subscriptions are available through distribution.

Multi-site Facilities

Deploy the building automation system facility managers love to use

User adoption is critical for successful energy management and generating long-term results. Ubiquity Cloud puts control and data at their fingertips. No sustainability or computer science degree required.
Ubiquity Cloud


Empower your customers with Ubiquity Cloud and TCS Controls

For mechanical contractors considering controls work for additional revenue, TCS is a smart choice. A short learning curve and factory-direct support means you’re up and running in no time.
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Building Owners

Occupant comfort and saving energy are completely compatible

Whether it’s a single building or an academic campus, TCS has you covered with intelligent standalone controls or a complete EMS. Scalable, affordable, and easy to use.
Our Full Platform

Complete & Flexible Solutions

BACnet controls, advanced applications, subscription EMS

Whether you’re looking for BACnet room controls for your existing system, advanced controls for boilers and chillers, or a complete, easy-to-use energy management platform for one or more locations, TCS has a solution that fits.

Cloud Platform

Ubiquity Cloud 4 from TCS is easy to use and ideal for multi-site enterprises.

System Controls

Complete commercial controls line for zoning systems, boilers, chillers, lighting and metering.

BACnet Room Controls

The UbiquiSTAT series of BTL-listed controls provide wired or wireless communication and onboard dehumidification.

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A Proud Wisconsin Manufacturer

Designed and built in the USA

TCS has manufactured technically advanced, affordable products for the HVAC and facilities market for nearly 40 years – from sensors and transducers to advanced BACnet controls and the Ubiquity Cloud management platform.
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Our Services

Frequently asked questions

We’ve compiled answers to some of the most commonly asked questions about TCS and our EMS and controls solutions. Have a question you can’t find the answer to? Reach out by clicking the “Contact Us” button on the left.
Telephone support is available between 7 a.m. to 7 p.m. CST. Call 1 (800) 288-9383 and select Option 2. You may also email support inquiries to We will respond to emails received after hours the next business day. NOTE: If you are troubleshooting a particular control or thermostat, call support while in close proximity to the device in question.
TCS provides a three (3) year warranty on TCS-manufactured products. Visit our warranty and returns page for details. This warranty is extended to five (5) years from the date of installation on TCS turnkey projects. A one (1) year workmanship warranty from date of installation is provided on TCS turnkey projects. For more information talk to your TCS account representative or contact us.
The best way to reach our accounting department is to email accounts receivable at or accounts payable at Be sure to reference your company name, what assistance you are looking for, and the best way to contact you. Or, call 1 (800) 288-9383 and dial extension 9348.
As of July 1, 2023, TCS collects sales tax in 19 states: . AR, CA, FL, GA, IL, IN, IA, MA, MI, NJ, NM, NC, ND, OK, PA, TN, TX, WA and WI. .
Contact your TCS sales rep or account manager if you have questions about your particular state.
Contact your sales representative at 1 (800) 288-9383 for more information on factory training and certification. TCS also offers regular online webinars.

Get in Touch

We’d love to hear from you! Submit the form below or give us a call during business hours – 7 a.m. to 5 p.m. CT Monday-Friday.
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