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Number One MEP Engineering Company in Illinois
Looking for top-rated MEP (Mechanical, Electrical, and Plumbing) engineering services in Illinois?
Our team of highly skilled engineers is here to help you bring your residential, commercial, and industrial projects to life. With years of experience and a reputation for excellence, we provide innovative, energy-efficient, and cost-effective solutions for all your building system needs.

Our Illinois MEP Engineering Services Include:
- Mechanical Engineering: HVAC design, thermal comfort solutions, ventilation systems, energy modeling, and more.
- Electrical Engineering: Power distribution, lighting design, fire alarm systems, emergency power, and smart building solutions.
- Plumbing Engineering: Water supply, waste drainage, stormwater management, and water conservation solutions.
- Fire Protection: Fire suppression systems, sprinkler design, and code-compliant safety solutions.
- Energy Audits & Sustainability Consulting: Enhance your building’s energy performance with detailed audits and sustainable design strategies.
MEP Engineering Services that Comply with Illinois Regulations
Navigating Illinois’ building codes and regulations can be complex, but our team ensures full compliance with state-specific laws and standards to guarantee your project is legally sound and safe. We are well-versed in the following regulations:
Mechanical Engineering Compliance in Illinois:
- Illinois Building Code: Our mechanical systems adhere to the Illinois Building Code, incorporating standards from the International Mechanical Code (IMC) and International Energy Conservation Code (IECC), ensuring energy-efficient and safe HVAC and mechanical design.
- Fire Safety Codes: We ensure all mechanical designs include fire safety measures in line with Illinois’ fire safety regulations.
Electrical Engineering Compliance in Illinois:
- National Electrical Code (NEC): All electrical systems are designed to meet NEC standards, which are adopted by the state as part of its building code, ensuring safe and reliable electrical designs.
- Energy Efficiency Standards: Electrical designs also comply with the IECC to maximize energy conservation and performance.
- Illinois Renewable Energy Standards: We integrate renewable energy solutions, such as solar and wind power, in compliance with the state’s clean energy initiatives.
Plumbing Engineering Compliance in Illinois:
- Illinois Plumbing Code: Our plumbing systems comply with the Illinois Plumbing Code, which governs water distribution, waste management, and water quality, ensuring efficient and safe plumbing designs.
- Water Conservation Mandates: We ensure our designs comply with Illinois’ water conservation laws, including the use of low-flow fixtures and sustainable water systems.
Fire Protection Systems Compliance:
- NFPA Codes: We adhere to Illinois’ incorporation of National Fire Protection Association (NFPA) codes for fire protection system design, ensuring your building is safeguarded.
- State Fire Safety Codes: All fire suppression and sprinkler systems are designed to comply with Illinois fire safety regulations, providing optimal protection for your building.
Industries We Serve:
We cater to a wide range of industries across Illinois, including:
- Residential Developments
- Commercial Offices & Retail Spaces
- Healthcare Facilities
- Educational Institutions
- Industrial & Manufacturing Plants
- Hotels & Hospitality
- Government Buildings
Why MEP Engineering is Crucial for Your Project
Properly designed and integrated MEP systems ensure that your building operates efficiently, safely, and comfortably. Our engineers collaborate closely with architects, contractors, and building owners to design systems that optimize building performance while complying with local regulations. We are dedicated to helping you achieve operational excellence by delivering engineering solutions that prioritize cost-effectiveness, sustainability, and innovation.
MEP Design for Residential and Commercial Buildings

Mechanical and HVAC
- Heating design
- Cooling design
- Humidifying design
- Dehumidifying design
- Cleaning: removing particulates and contaminants
- Ventilation: diluting gaseous pollutants
- Air movement and air treatment system design: circulating and mixing air for proper ventilation and thermal energy transfer
Electrical Design
- Design Basis requirements and Electrical Load calculations
- Lighting layout and Lighting calculations
- Cable sizing calculation
- Single Line Diagrams (SLDs)
- Lightning protection calculation and Lightning protection layout
- Power and Small Power Distribution Layout
- Security Systems Layout
- Photometric Plan
Plumbing Design
- Hot & Cold-water capacity calculations
- Sizing & Selection of Calorifiers, Pumps
- Water Storage Tanks
- Pipe sizing for water services
- Water Services Schematics
- Vacuum Piping Design
- Fuel Gas Piping Design
- Fire Detector Spacing Design and Alarm Layout
- Fire Sprinkler System Design
Commercial and Residential MEP Design

Office Buildings

Industrial and Warehousing

Retail Spaces

Mixes Use

Hospitality

Multi-Family Real-Estate

Why Choose Our MEP Engineering Services?
- Experienced Professionals: Our team of licensed engineers brings deep technical expertise and local knowledge of Illinois’ building codes and regulations.
- Sustainability Focused: We prioritize energy-efficient solutions that help reduce operational costs and environmental impact, adhering to LEED and other green building standards.
- Customized Engineering Plans: Whether you’re working on a new construction or a renovation, we tailor our services to meet your unique project requirements.
- Timely Delivery: We work with you to meet deadlines without compromising on quality or safety.