Commercial HVAC, Plumbing & Electrical From One Trusted Source
From small commercial building to complete industrial and institutional facilities, Loescher provides design-build, installation, repair, and maintenance throughout Illinois, Wisconsin, and Iowa.
Licensed, Bonded & Insured
24/7 Emergency Service
60+ Years Servicing Our Communities
Single-Source Advantage
One Partner. Fewer Project Headaches.
Commercial projects become complicated when several contractors must coordinate connected systems. Loescher serves as one reliable source for the essential trades your project requires, providing clearer communication, coordinated scheduling, and accountability from planning through completion.
One Point of Contact
One partner accountable for your entire project from start to finish.
Coordinated Trades and Schedules
Fewer delays, better communication, and smoother project flow.
Design - Build Capability
We help plan practical solutions and manage installation from the start.
Long-Term Service And Maintenance
Ongoing Support and 24/7 emergency service long after the project is done.
Our Commercial HVAC Services
Commercial HVAC Installation
We can install new systems for new constructions, as well as replace existing systems for retrofits and upgrades.
Commercial HVAC Repair & Maintenance
Our technicians can quickly diagnose problems and recommend solutions for getting your system back up and running.
HVACR Custom Piping
Experts in both commercial and industrial pipework. Skilled in the assembly, installation, and maintenance of commercial pipe systems.
Commercial Electrical
Fully equipped service teams ready for a new project construction or building upgrades.
Duct Fabrication
Custom and standard sheet metal products for new builds or custom duct work replacements.
Commercial Refrigeration
Refrigeration installations and repairs are a specialty at Loescher’s. Contact us for any emergency service needs.
Generator Installation
Keep your business afloat during a power outage with a commercial grade generator.
Commercial Plumbing
Leaky plumbing? Stay up to code and get your commercial plumbing service requests done right the first time.
Commercial Sheet Metal
Custom and standard sheet metal products for new builds or custom duct work replacements.
Built For Projects of Every Size
Whether your facility needs a service repair, complete system replacement, or a coordinated design-build solution, Loescher has the people, equipment, and experience to handle it.
Large, Complex Projects
Hospitals, offices, schools, industrial faciltations, helicopter equipment lifts.
Design-build solutions
Large-scale installations
Complex system coordination
Minimized disruption
Local Commercial Needs
Repairs, renovations, replacements, maintenance, and smaller installations.
24/7 Emergency Service
Preventative Maintenance Service
System Upgrades
Commercial Experience Across Industries
Healthcare Facilities
Manufacturing & Industrial
Warehouses
Schools & Education Centers
Office Buildings
Retail Buildings
Municipal Facilities
Multifamily Developments
Design-Build Support
From Planning Through Completion
Loescher helps commercial clients plan practical, efficient systems and manage their installation from start to finish. Our coordinated approach helps identify challenges earlier, reduce project complexity, and keep connected trades working toward the same result.
Request Commercial HVAC ServiceMaintenance & Emergency Service
Support That Continues After Installation
Protect your systems with preventative maintenance agreements, scheduled service, and 24/7 emergency support. Loescher remains available after project completion to help keep your building operating reliably.
Emergency Service Call