Our team installs it all, including:
Every Hartwig Mechanical installation is designed for your space, budget, and business goals.
Not every installation is an emergency fix. Sometimes it’s part of an expansion. Other times, it’s a proactive move to avoid a shutdown. Our commercial HVAC installation services apply at every level. We can step in to upgrade existing systems, replace failing equipment, or install new systems as part of a long-term performance strategy. If you’re unsure whether to replace or maintain, we offer optional energy audits to evaluate efficiency and cost savings. These audits often show that a properly installed system will run cleaner, use less energy, and reduce operating costs, making commercial HVAC replacement a smarter investment than constant patchwork.
Hartwig Mechanical offers system evaluations and optional energy audits to determine whether you’re better off replacing your current system or extending its life through targeted repairs. Often, facilities running older equipment end up spending more to maintain outdated systems than they would to install a more efficient one.
Yes. Our project managers take responsibility for coordinating with local municipalities to ensure all permitting, inspections, and code compliance requirements are met. We stay current on local building codes across Illinois and Wisconsin so your install passes without delays.
Yes. We work around your schedule to avoid disruptions. Our team coordinates carefully to isolate work zones, stage equipment, and manage timelines with minimal impact on your operation. We’ve completed installs in live environments without causing downtime or delays.