Business Details
33 Years
experience
Your Trusted Engineering Partner in Eau Claire, WI
Established in 1993, APEX Engineering has served the Chippewa Valley and Midwest for over 30 years, specializing in HVAC, plumbing, and electrical system design for commercial projects. Our team of licensed engineers and technicians delivers code-compliant, energy-efficient solutions tailored to client needs and budgets. With expertise spanning projects from 500-square-foot facilities to 150,000-square-foot schools, we prioritize innovation, sustainability, and collaboration with architects and contractors. Our commitment to continuing education ensures integration of cutting-edge technologies while maintaining cost-effectiveness. Long-term client relationships are built on our mission of progressive engineering and adherence to local and state codes.We extend services across Wisconsin, Minnesota, Michigan, North Dakota, and beyond. Community involvement remains central to our values, supporting organizations like the Boys and Girls Clubs and local youth sports. Leadership transitions in 2022-2025 ensured continuity through experienced ownership. Our vision combines technical expertise with communication to exceed client expectations. This dedication positions us as a trusted partner for building owners seeking reliable, energy-conscious engineering solutions.
Services
HVAC Design
Electrical Systems
Plumbing Engineering
Energy Recovery Systems
Construction Administration
Geothermal Systems
Lighting Design
Fire Alarm Design
Utility Coordination
System Analysis
Details
- Year established: 1993
Highlights and features
- 30+ years of commercial engineering experience in the Midwest
- Licensed professionals in Wisconsin and Minnesota
- Specialized in energy-efficient HVAC, plumbing, and electrical systems
- Comprehensive services from design to construction administration
- Proven track record with diverse project scales and types
Services
HVAC Design
We engineer customized heating, ventilation, and air conditioning systems for commercial buildings. Our designs optimize energy efficiency while maintaining occupant comfort across diverse project types. From geothermal solutions to variable refrigerant flow systems, our HVAC expertise ensures code compliance and long-term operational cost savings.
Electrical Systems
Our electrical engineering covers complete building power systems including lighting design, emergency power solutions, and utility coordination. We create efficient electrical infrastructures that support modern building demands while ensuring safety and code adherence. Integration with renewable energy sources enhances sustainability.
Plumbing Engineering
We design comprehensive plumbing systems encompassing domestic water supply, storm drainage, and specialized gas piping. Our solutions balance functionality with water conservation, incorporating both potable and non-potable water management systems for commercial facilities.
Energy Recovery
Our energy recovery solutions capture and repurpose waste energy from building systems. By implementing air and water energy recovery technologies, we help clients reduce utility costs while maintaining system performance. These solutions align with sustainability goals and energy code requirements.
Construction Administration
We provide continuous support during construction through document review and site observation. Our administration services ensure design intent translates to quality installations. We coordinate with contractors to resolve field issues while maintaining project budgets and timelines.
People
Justin Musser
President
Owner and President since 2018 with 20+ years at APEX. Leads engineering teams in delivering energy-efficient building systems while maintaining technical excellence and client satisfaction.
Landon Julson
Vice President
Current Vice President since 2025 with 8+ years of experience. Focuses on electrical system design and coordinates technical teams to ensure code-compliant, innovative engineering solutions for commercial clients.
Questions
What engineering services does APEX offer?
We provide HVAC, plumbing, and electrical engineering design services for commercial buildings, including energy analysis, system design, and construction oversight.
Which states does APEX Engineering serve?
Primarily serving Wisconsin and Minnesota, we also work with clients in Michigan, North Dakota, South Dakota, Nebraska, Iowa, and Indiana.
What building types do you design for?
We handle projects ranging from small 500-square-foot facilities to large 150,000-square-foot schools and commercial buildings across various industries.
How does APEX ensure energy efficiency?
We incorporate energy recovery systems, geothermal solutions, and code-compliant designs while collaborating with Focus On Energy for analysis and rebates.
Can APEX handle complex system integration?
Our engineers specialize in integrating HVAC, electrical, and plumbing systems with renewable energy sources and low-voltage infrastructure for cohesive building operations.
What experience does APEX bring to projects?
With 30+ years in business and licensed professionals, we combine technical expertise with practical knowledge to deliver proven engineering solutions for diverse commercial needs.