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Commercial & industrial facilities · OKC metro

Commercial HVAC Winter Changeover in Oklahoma City

Prepare your building for heating season with a planned changeover from Total Mechanical Services. We coordinate boiler and heating startup, controls checks, and cooling-system winter preparation around your equipment and operating schedule.

For commercial buildings and industrial facilities. Visit scope and timing are coordinated with your team.

A planned transition to heating season

Prepare the systems your building depends on

A seasonal changeover is more than switching a thermostat. Coordinate heating readiness, building controls, and cooling-system winter operation before the first cold-weather demand.

Boiler startup & heating readiness

Prepare commercial boilers and heating equipment for the season. We review startup requirements, operating condition, pumps, and safety controls against your equipment and maintenance history.

Explore boiler services →

Heating controls & seasonal schedules

Review heating changeover, occupied schedules, setpoints, and control sequences. Coordinate the transition with your building operations so heating is ready when your facility needs it.

Explore building automation →

Chiller & cooling tower winter preparation

Plan a seasonal shutdown or continued cold-weather operation for your cooling system. We review equipment-specific winterization and freeze-protection needs; process cooling may need to remain in service.

Explore chiller services →

The right approach depends on your equipment, manufacturer requirements, and whether cooling must continue through winter. TMS develops the scope around your facility; a shutdown or drain-down is not appropriate for every system.

How your changeover visit comes together

  1. 01

    Review your facility

    Tell us about your heating and cooling equipment, operating hours, and target changeover date.

  2. 02

    Agree on the scope

    TMS reviews the equipment needs with you and coordinates the work and access window.

  3. 03

    Complete the changeover

    Your agreed scope guides startup, controls checks, and cooling-system winter preparation.

  4. 04

    Document the findings

    Review the work and any follow-up recommendations. Additional repairs are scoped separately.

Bring your equipment and schedule

Share your facility location, boiler or heating system details, cooling equipment, and the date you want to be ready. Include any startup issues, controls alarms, or winter operating requirements.

Request a Changeover Visit

Need help with equipment that is already down?

For an active heating or cooling problem, call TMS to discuss service needs and dispatch.

405-223-9900