Looking for Intelligent Mechanical Solutions In Your Commercial Facility?

about core

We focus on service so you can focus on your business, not your building. We meet the complex service needs of commercial clients across southwestern Montana for heating, ventilation, air conditioning, controls, boilers, commissioning and retro-commissioning, start up, and other related plumbing and electrical tasks.

Our Team

core service

We service the entire range of building management systems, from simple to sophisticated. We have over 100 years of combined experience with the rapid technical evolution of controls: steam, water, pneumatic, electronic, digital, and more. Our team can hand whatever we find in your mechanical room.

Learn More

core work

Our experienced team uses an interdisciplinary approach to deliver lasting, cost-saving solutions for:
> Plumbing
> Electrical
> Controls
> and more…

featured works

core services


Building automation and multi-system
integration is our specialty.

maintenance & repair

We can repair and upgrade most every
system – all types, makes, and models.


Small rooftop AC units to temperature
control for radioactive incinerators.


As a team of Montanans,
we know how to keep your business cozy for all weather.

install & startup

Certified commissioning and careful,
professional installation of your system.


Systematic investigation for improving
and optimizing a building’s operations.


We value resource stewardship and are
eager to engage emerging technologies.

on call emergency

24-hour service for customers with
preventive maintenance agreements.


our partners

 plumbers-pipfitters-logo-home niagara-small

Offering a wide range of integrated systems
knowledge for lasting, cost-saving solutions.