Business Details
33 Years
experience
Custom HVAC & Electrical Engineering Solutions in Eau Claire
APEX Engineering has been serving the Chippewa Valley for over 30 years, delivering innovative HVAC, plumbing, and electrical engineering solutions tailored to client needs. Founded in 1993 by Richard Anderson and Daniel Peterson, our firm transitioned leadership to seasoned professionals Justin Musser and Landon Julson, ensuring continuity in expertise. Our team of licensed engineers and technicians specializes in designing energy-efficient systems for commercial projects ranging from small facilities to large-scale schools. We prioritize code compliance, budget alignment, and sustainability while collaborating with architects, contractors, and energy agencies. With a focus on Western Wisconsin and the Midwest, we extend services to Michigan, North Dakota, and beyond.Our mission emphasizes progressive engineering, and our vision integrates practical experience with cutting-edge technology to exceed client expectations. We support local communities through partnerships with organizations like the Boys and Girls Clubs and St. Jude Children's Hospital. Our comprehensive services span site investigation, system design, construction administration, and energy analysis. By adhering to rigorous standards and maintaining transparent communication, we build long-term client relationships rooted in trust and reliability. This commitment to excellence positions APEX Engineering as a leader in sustainable building systems design.
Services
HVAC Design
Electrical Systems
Plumbing Engineering
Geothermal Systems
VRF Systems
Energy Recovery
Building Power Design
Lighting Design
Fire Alarm Design
Domestic Water Systems
Details
- Year established: 1993
Highlights and features
- We offer 30+ years of experience in commercial HVAC and electrical engineering.
- Our team includes licensed professionals in Wisconsin and Minnesota.
- We specialize in energy-efficient systems meeting Focus On Energy standards.
- We provide full-service design from site investigation to construction oversight.
- We serve clients across six Midwest states with localized expertise.
Services
HVAC Design
We engineer HVAC systems for commercial buildings, including geothermal, VRF, and energy recovery technologies. Our designs optimize comfort and efficiency while meeting ASHRAE standards. Clients benefit from reduced operational costs and sustainable climate control solutions.
Electrical Systems
Our electrical engineering covers power distribution, lighting, and emergency systems for new and retrofit projects. We ensure NEC compliance and integrate renewable energy sources. Clients receive reliable infrastructure supporting modern building demands.
Plumbing Engineering
We design domestic water, storm drainage, and gas piping systems adhering to plumbing codes. Solutions include efficient hot water delivery and sustainable rainwater management for commercial facilities.
Geothermal Systems
We implement ground-source heat pump systems that reduce energy consumption by 30-60%. Our designs leverage earth's stable temperatures for year-round climate control in schools and office buildings.
VRF Systems
Our VRF solutions provide zoned climate control with energy recovery between indoor units. These systems offer precise temperature management for multi-room commercial spaces while minimizing energy waste.
People
Justin Musser
President
Justin Musser has led APEX Engineering as President since 2018, bringing 20+ years of engineering expertise. He focuses on sustainable design innovation and client relationship management.
Landon Julson
Vice President
Landon Julson became Vice President in 2025 after a decade of engineering experience. He specializes in electrical system integration and construction phase coordination for complex projects.
Questions
What types of HVAC systems do you design?
We design geothermal, VRF, chilled water, and DX systems tailored to building size and energy goals.
Do you work outside Wisconsin?
Yes, we serve clients in six Midwest states including Minnesota, Michigan, and Nebraska.
How do you ensure energy efficiency?
We use energy modeling software and collaborate with Focus On Energy for rebate-optimized designs.
What construction phases do you support?
Our services cover site analysis, design, budgeting, construction administration, and as-built documentation.
Can you handle large-scale projects?
Yes, we've designed systems for 150,000 sq ft schools and industrial facilities.
