EHMS Mechanical Services


At EHMS Mechanical Services, we’ll be your proactive HVAC service partner who works with you to lower the cost of equipment ownership.

About EHMS Mechanical Services



EHMS Mechanical Services is a commercial HVAC contractor that’s been recognized as one of Chicago’s Top 10 mechanical contractors. Our in-house design capabilities allow us to see your vision through from concept design to installation. Our suite of services include: preventive maintenance agreements, repairs, equipment replacement, retrofits, energy reduction assessments and installation projects. We’re proud to be recognized for our innovative mechanical design, quality installation and exceptional service.

We are proud to announce this year marks our 10th anniversary in business. Reaching this milestone did not happen without 3 important groups of people. Our team, our customers and our vendors.

Our team is nothing short of amazing. They bring their skills, experience, enthusiasm and innovation to the job every day.

We are also blessed to have a wonderful mix of customers who not only value the services we provide, but also the manner in which we provide them. Thank you for your trust, your loyalty and your business. Lastly, we want to thank our many vendors and partners for providing the equipment, materials and services that we need every day to not only serve our customers, but our team.

We take great comfort and pride knowing that EHMS 2.0 will continue the legacy of excellent customer service we started in 2014. Thank you and cheers!

24-Hour Emergency Service


Regularly scheduled preventive maintenance is a proven strategy for maximizing equipment performance, reducing failure and decreasing the overall cost of equipment ownership. Downtime, lost productivity and discomfort complaints are significantly reduced when equipment is properly maintained. Energy consumption is also kept to a minimum while improving performance and extending the useful life of equipment.

Projects & Capabilities


EHMS offers a wide range of services including equipment replacement, retrofits, energy reduction assessments and installation projects. Our team of industry experts will see your project through from initial concept design to installation.

We can also provide single-source solutions that simplify project management by streamlining communication and consolidating vendors. Regardless of complexity or size, EHMS will deliver your project on-time and within budget.

Our Commitment


At EHMS, we strive to maintain a culture that fosters innovation, rewards success, reinforces safety and maximizes the collective knowledge of our team. Our attention to detail and customer service are unrivaled in the industry and we’re 100% committed to keeping both our job sites and employees safe. We don’t compromise on the quality of our work, or the unmatched level of customer service, we provide daily.

We value you


Looking to request a service visit or view a completed work order? Need to run a report on your equipment’s repair and maintenance history? All of this and more can conveniently be accessed through EHMS’s Customer Portal!

Get to know more


Our roots can be traced back more than 30 years to one of the area’s oldest and most respected mechanical contractors. In 2014, All Mechanical Industries acquired the service assets of EHMS Mechanical Services. Under new ownership, EHMS quickly became recognized for innovative mechanical design, quality installation and exceptional service. Our goal is to be your preferred HVAC service provider, advocate and strategic partner.


“Great interaction with the EHMS team where we went through equipment and scheduling. Joe is very helpful and shows care the for equipment he works on.”

Michael G.
Chief Engineer

Michael G.

“Always a pleasure working with the entire EHMS organization. Top notch service.”

Dave H.
Facility Maintenance Manager

Dave H.

“The EHMS team and their service is next to none. Their attention to detail and willingness to help will keep EHMS at the top of the industry. Proud to be working with such a great company.”

Will L.
Facilities/Maintenance Manager

Will L.


Below are a few photos from our most recent projects. Interested in what a partnership with EHMS could look like for your organization? Contact us Today!