Thomas B Mansfield Co & TM Service Co.

Name: Thomas B Mansfield Co & TM Service Co.
Address: 789 Park Street, Castle Rock, CO, 80109, US
Telephone: +17204672760

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Castle Rock, CO
Thomas B Mansfield Co & TM Service Co.

For decades, Thomas B. Mansfield Co. has been selling and servicing boilers and boiler room equipmen

08/31/2026

1963. That's when Thomas Mansfield Sr. decided boiler service should be done right, not just fast, not just cheap, but right. Thomas B. Mansfield Co. has been at the heart of boiler system solutions in Colorado and Wyoming ever since.

Come the 1990s, T. Mansfield Jr. took over, grew the business and planted new roots in Englewood, CO. A second generation, same standard.

Today, John Mansfield leads the company out of Castle Rock, CO, and we're still family-owned. Still taking the 3AM emergency calls. Still showing up when it matters.

And here's what we're most proud of: some of the systems we installed over 50 years ago are still running today. Same buildings. Same trust. Still keeping the heat on.

Three generations in. Still going strong.

08/27/2026

AI is accelerating and so is the demand for power behind it.

As data centers scale, engineers and EPCs are under pressure to evaluate reliable power
strategies while keeping projects moving. Cleaver-Brooks helps teams explore power
generation solutions with responsive support and accurate technical information upfront.
Start the conversation- https://cleaverbrooks.com/iwt-data-centers

08/18/2026

Your boiler's summer vacation is almost up. 🏖️

It's had a few quiet months, but fall is coming, and it's about to be back on full duty. Late summer is the smartest time to schedule maintenance, before the first cold snap has every facility manager in town calling at once. A quick inspection now can catch small issues before they become downtime.

Let's get you on the books! Call us at 303-781-7878 or visit tbmansfield.com to schedule your maintenance check today. 📞

08/13/2026

Myth: Bigger boiler = better heating. 🚫

Truth: An oversized boiler can actually run less efficiently, cycle more often, and cost more to operate. The right size for your building matters more than the biggest number.

Got a boiler question you've always wondered about? Tell us in the comments!

08/04/2026

School bells are back in a few weeks 🔔📝

Between now and opening day is prime time to get systems checked, so the only thing on a facilities director's mind is a smooth first week and not a heating emergency.

Let's get ahead of it together. Call us at 303-781-7878 or visit tbmansfield.com to schedule your inspection today.

07/23/2026

Not all replacement parts are created equal. 🔩 🔧 🔥

The right OEM components can improve performance, increase reliability, and help your boiler system operate safely for years to come.

Need help identifying the right part? Contact us: 📞 303-781-7878 🌐 tbmansfield.com

07/16/2026

⚠️ Last Chance! Registration Closes Tomorrow!

If you've been meaning to sign up for our Cleaver-Brooks 3-Day Boiler Training, now's the time.

Invest in your knowledge with hands-on training covering boiler operation, electrical sequencing, preventative maintenance, and system efficiency.

📅 August 18–20
📍 RidgeGate Conference Center | Lone Tree, CO

Register before it's too late: tbmansfield.com/trainings

07/08/2026

⏰ Registration is Closing Soon! tbmansfield.com/trainings.

There's still time to secure your spot for our 3-day Cleaver-Brooks Boiler Training, but registration won't be open much longer.

📍 RidgeGate Conference Center | Lone Tree, CO
📅 August 18–20

Topics include:
✔️ Boiler operation & ancillary equipment
✔️ Electrical circuitry & sequencing
✔️ Preventative maintenance scheduling
✔️ Improving system efficiency, reliability & safety

Don't wait until the last minute, register today!

07/03/2026

In observance of the Fourth of July holiday, our office will be closed today Friday, July 3.

Emergency Services are still available! 📞 (303) 781-7878

Whether it's a critical boiler issue or an urgent service need, our team is here when you need us most.

We wish you and your family a safe, relaxing, and happy Fourth of July weekend! 🎆🇺🇸

06/25/2026

REGISTER NOW 🔥 https://tbmansfield.com/trainings/
📅 August 18–20
📍 Lone Tree, CO
Spots are filling up and capacity is limited.

The best facility managers know: Preventative maintenance > preventable chaos.

Join TBM/TMS and Cleaver-Brooks for 3 days of hands-on boiler training designed to help you stay ahead before peak season hits.

Address

789 Park Street
Castle Rock, CO
80109

Telephone

+17204672760

Website

https://tbmansfield.com/

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