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Midwest Mechanical helps clients throughout the Chicagoland area control the cost of operating their facilities through energy efficient HVAC services. Our skilled technicians ensure mechanical systems are reliable and effective - all day, everyday.

"Our experience with Midwest Mechanical is a great example of how a well-executed maintenance contract is actually a good investment."

~ District Manager, United Silver Theaters

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Latest News From Midwest Mechanical

Most Recent News Article

Midwest Mechanical Provides Services Through NCPA

Published: August, 13 2018

Midwest Mechanical has recently won a National Request for proposal to provide HVAC and Plumbing services through the NCPA national purchasing cooperative.  NCPA (National Cooperative Purchasing Alliance) is a leading national government purchasing cooperative working to reduce the cost of goods and services by leveraging the purchasing power of public agencies in all 50 states. 

Our successful bid means that agencies from both the public and nonprofit sectors that are eligible to utilize NCPA cooperative purchasing contract will be able to procure mechanical maintenance, HVAC retrofits, control upgrades, plumbing needs, and related services through the NCPA cooperative network.

We are very excited to offer entities in Illinois a Better, Faster, More cost Effective alternative to working with manufacturers through a cooperative.  This procurement vehicle can save public entities time and money. 

Most Recent Blog Posting

Real Cost and Energy Reduction Requires Intelligent Building Renewal

Published: February, 19 2016

State and national laws are trending towards making existing buildings more energy efficient.  Large cities such as Chicago, New York, Philadelphia and Los Angeles will be focal points in the effort to curb energy usage in existing buildings.

Improved standards for future construction will make an impact in the future, but in order to improve environmental standards immediately, the renovation of existing structures will be required.

Buildings account for 39 percent of carbon dioxide emissions, exceeding transportation, according to the U.S. Green Building Council.  The U.S. will begin the process of curbing greenhouse gas emissions following the Paris accord.  California is working to cut building energy use in half by 2030.  More states will likely follow, by introducing measures to curb building energy use.

Staying Ahead of the Energy Curve

Gas guzzling automobiles and smokestack buildings traditionally drew the attention of regulators until recently.  Now, office buildings and residential buildings are on their radar as well.  Today there is more emphasis on replacing inefficient fans, windows, lighting and HVAC components.

Building owners can start by evaluating their energy usage and efficiency.  An energy audit can help commercial and multi-tenant property owners intelligently understand their buildings' energy shortcomings, and what steps are necessary in order to reduce carbon dioxide emissions and energy usage within an existing structure.

Commercial and residential property owners have options.  They can consult with businesses that help with energy reduction.  There is technology available today to better help businesses monitor real-time energy usage to understand the problem and what steps are necessary to reduce your cost of operation.

The largest buildings in Chicago (>50,000 sq. ft.) are expected to follow the city's energy benchmarking standards.  While these standards are not required for smaller structures, there are elements of benchmarking that might make sense for any building owner to follow.  Monitoring energy usage with HVAC systems, data centers, and the building's electrical systems makes sense in order for building owners to save on energy expenses.

An Intelligent Business-Case

While building renewal requires upfront capital, the energy savings generated by the project creates positive cash-flow, helping to pay for the project.  It is a good idea to talk with knowledgeable energy experts before you begin work on your building so you understand how the changes will impact future energy usage.  This approach will allow you to make better, more intelligent decisions, making sure your building performance aligns with current and future energy regulations and standards.

Most Recent Case Study

CORLESS DATA COMPANYPremier Data Storage and Industry Leading Performance

Published: October, 12 2015


With a growing business and an aging infrastructure, Corless Data Company turned to Midwest Mechanical to address the challenge of maintaining the environmental conditions to support the IT infrastructure and the contractually guaranteed availability of its hosting services that it provides to its customers.  The facility was trained for capacity, both needing to add cooling to support the growing load from IT equipment, and not having additional electrical service that would be needed to simply add more and/or larger cooling units.


Midwest Mechanical recognized the need to work within several constraints on this project.  The Midwest Mechanical team first conducted a feasibility study to identify and qualify several options against those constraints.  Available capital and time for implementation negated complete system re-design and reconfiguration.  Given the situation, the team recommended and obtained approval for the replacement of several of the existing units to a more "eco friendly" unit that provided additional capacity also.  The project provided solutions to several of the owner's issues, while allowing the facility to remain in operation unimpeded.  The new units provided much needed additional capacity without requiring any additional power. The Midwest team eliminated re-heat and humidification features when selecting the new equipment, allowing the reuse of the existing electrical service.  The multi-year plan for further projects in this facility includes replacing additional cooling equipment, and incorporating a centralized, energy efficient humidification system using reverse osmosis water to feed ultrasonic humidifiers (an innovative technology that is proven to save energy).  Through managing future electrical demand, Midwest Mechanical will be able to continue to expand the cooling capacity of the facility to match Corless's growth.

During the project, the installation team noted severe airflow restrictions under raised floor serving one part of the facility.  Through on-site collaboration with the owner, they changed the design to relocate one of the new units.  The optimized airflow provided by the relocation has shown to benefit the owner already.  Where one 22 on Liebert unit previously ran at full capacity continuously, the new relocated unit runs at approximately 50% capacity (15 tons) saving approximately $7,000 annually per unit.


 Corless Data Company (company name has been replaced to protect their identity) is one of the world's leading software and technology services companies.  It has over 15,000 employees and serves more than 20,000 customers worldwide.  Corless provides software and processing solutions for financial services, higher education and the pubic sector.  It also provides a host of related information technology services.


Established in 1974 in Willowbrook, IL , Midwest Mechanical's initial focus was providing mechanical service for commercial, industrial, and institutional facilities throughout Chicago and the surrounding suburbs.  Over the years, our offerings have grown into a full suite of services related to technical, mechanical and energy systems.  Still based in Chicago, we serve clients in Illinois, Wisconsin, Indiana, and Michigan.


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Learn the value of planned maintenance and exactly what needs to be on your commercial building's maintenance schedule.

How to Save Money With Energy Efficient Systems

We know the path to energy sustainability is a journey not an event. We partner with each client to analyze their utility bills, identify no-cost/low-cost savings opportunities, implement operations and maintenance practices and identify system upgrades and retrofits with a return on investment.

What goes into an HVAC System? Built Up system vs. Package (Unitary) system

Which one is right for your facility? See the difference and learn about the components each includes.

Midwest Mechanical - A Service Logic Company
801 Parkview Blvd • Lombard, IL 60148 • Local Phone: (630) 850-2300Fax: (630) 655-0730Email:
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