Preventative maintenance (PM) is a proactive approach to caring for building systems—especially Mechanical, Electrical, Plumbing, and Fire Protection (MEPF) systems. Instead of waiting for something to break, PM involves routinely inspecting and servicing equipment so it doesn’t break in the first place. By keeping critical infrastructure in optimal condition, facilities avoid surprise breakdowns that halt operations. The result is less downtime, fewer expensive emergency repairs, and equipment that runs more efficiently. In short, investing in PM upfront pays off by reducing costly disruptions and keeping everything running smoothly.
Seasoned facility professionals know that unplanned outages can wreak havoc on project schedules and budgets. A chiller failing on a hot day or a main electrical panel going down can idle an entire facility. PM directly addresses this by scheduling small fixes and part replacements before failures occur. In the following sections, we’ll define what preventative maintenance entails, examine the true costs of a reactive “fix it when it breaks” approach, and detail how a solid PM program saves money in the long run for commercial and industrial facilities. We’ll also look at key components of an effective maintenance plan and share a real-world case study of how Lee Mechanical’s preventative maintenance partnership with Woodman’s Markets has paid off over decades.

What is Preventative Maintenance?
Preventative maintenance involves scheduled inspections, cleaning, testing, and part replacements designed to prevent equipment failures rather than react to them. In practice, this means tasks like changing HVAC filters, lubricating bearings, tightening electrical connections, flushing water heaters, and testing sprinkler systems—all done at regular intervals. The goal is to fix or renew small components before they wear out and cause major breakdowns. This keeps equipment in safe, optimal working condition and extends its service life.
It’s important to note that PM is not just for huge factories or large-scale operations—it’s equally critical for midsize and smaller facilities. A common misconception is that running equipment to failure saves money or that routine maintenance is an unnecessary expense. In reality, neglecting maintenance almost always ends up costing far more. While scheduling maintenance does require planning and budget, even modest facilities have a lot to gain. Another misconception is that preventative maintenance is too costly upfront. Yes, there is an investment in regular service, but that investment is typically returned many times over by avoiding major outages and emergency repair bills.
For perspective, think of PM like getting regular oil changes and tune-ups for your car. Skipping them might save some time or money today, but it greatly increases the risk of an engine breakdown (with a far higher repair bill later). The same logic applies to a building’s mechanical, electrical, plumbing, and fire protection infrastructure—a bit of preventive care keeps everything running and prevents nightmare scenarios of catastrophic failure.
The True Costs of Reactive Maintenance
Some contractors and facility managers have learned the hard way that “fixing things only when they break” is an expensive strategy. Reactive maintenance (waiting for failure) carries hidden costs that add up quickly:
UNPLANNED DOWNTIME:
When a critical system unexpectedly fails, operations come to a halt. In industrial facilities, every minute of downtime can mean lost production, delayed shipments, and unhappy clients. A study by IndustryWeek estimated that unplanned downtime costs manufacturers billions annually. Lost output and missed deadlines can hit the bottom line directly. Moreover, downtime has a domino effect—crews scramble, schedules slip, and other trades or tenants are impacted while the fix is underway.
HIGHER REPAIR COSTS:
Breakdowns never happen at a convenient time. Emergency repairs often require calling in technicians after hours, rush-shipping replacement parts, or paying premium rates to secure specialized labor. As U.S. Department of Energy data has shown, reactive maintenance can cost 3–4 times more than a planned preventative approach. Other studies peg emergency repair costs at up to 6× higher than performing the same fix as a scheduled task.
COLLATERAL DAMAGE:
When equipment is run to failure, the damage often extends beyond the one faulty part. For example, a seized bearing can damage a motor’s windings or drive coupling. A small pipe leak that goes unfixed might burst and flood an electrical room. In short, reactive maintenance often only addresses symptoms after they’ve cascaded into bigger problems, leading to more expensive fixes.
INTANGIBLE COSTS:
A reactive approach can hurt morale and reputation, too. Frequent breakdowns frustrate building occupants and production teams. If a facility is known for unreliable systems, it can damage the company’s image with clients or tenants. These indirect costs are hard to quantify but very real.
How Preventative Maintenance Reduces Long-Term Costs
1. Asset Longevity
Just as regular oil changes make your car last longer, routine maintenance can significantly extend the life of building systems. Replacing filters, lubricating components, and performing timely tune-ups keep equipment operating within optimal conditions. This helps avoid major wear and tear that shortens the lifespan of high-value assets like HVAC chillers or industrial generators.
2. Energy Efficiency
Equipment that is well-maintained uses less energy. A dirty or clogged air filter forces fans to work harder, while a pump with worn bearings can draw extra power. According to the EPA, keeping systems clean and properly adjusted can cut energy consumption by up to 30%. Lower energy bills translate directly into long-term cost savings.
3. Predictable Budgeting
With preventative maintenance, repairs still happen but tend to be planned and smaller in scope. Instead of sporadic, budget-busting emergency fixes, facilities can plan for steady, manageable maintenance costs. Predictable expenses are easier to justify and cause fewer cashflow surprises.
4. Reduced Liability and Safety Incidents
A failed system can create safety hazards—a ruptured pipe, an electrical short, or a compromised fire sprinkler head. Routine PM identifies and mitigates these risks before they cause accidents. This proactive stance protects employees, reduces liability exposure, and preserves a company’s reputation.
Key Components of a Comprehensive Preventative Maintenance Plan
REGULAR INSPECTIONS AND AUDITS:
At the core of PM is a structured schedule of inspections and audits. This might include daily visual checks, weekly or monthly detailed walkthroughs, and annual comprehensive performance tests. Following manufacturer recommendations for service intervals is a great starting point.
PROACTIVE PART REPLACEMENT:
Knowing that certain components have a limited lifespan is key. Filters, belts, bearings, and valves eventually fail, so replacing them before they reach end-of-life is often cheaper than waiting for a breakdown. A $50 part swapped out on schedule can prevent a $5,000 repair later.
SEASONAL AND USAGE-BASED ADJUSTMENTS:
Different seasons can put unique strains on systems. HVAC units require specific attention before peak heating or cooling seasons; plumbing lines may need extra checks ahead of winter. Usage-based intervals (e.g., after a certain number of runtime hours) can also optimize PM schedules for equipment that sees heavy use.
TRAINING AND COMMUNICATION:
A PM plan is only as good as the people executing it. Ensuring that maintenance staff are well-trained on the latest techniques, safety standards, and software tools is crucial. Likewise, open communication across departments helps coordinate planned downtime, gather feedback on system performance, and catch small issues early.
Real-World Example: Uline Warehouses
A standout example of preventative maintenance paying real dividends is Lee Mechanical’s longstanding partnership with Uline. Since 2015, Lee Mechanical has worked on 7 new warehouses, 1 headquarters building, and 1 conference center for Uline, both HVAC and plumbing.
- Partnership Scope: From managing budgets, performing BIM design, and leading prefabrication to precise on-site installations, Lee Mechanical supports every step—from project conception to ongoing facility maintenance. This means problems that arise later can be addressed by teams deeply familiar with each buildings systems.
- Preventative Maintenance for HVAC & Plumbing: Uline’s warehouse and distribution operation relies on their mechanical and plumbing systems to be dependable to keep their employees comfortable and productive. By partnering with Lee Mechanical on preventative maintenance, Uline is able to ensure reliable operation of their systems to keep their business going.
- Outcome: In short, Uline’s investment in a comprehensive MEPF strategy—anchored by preventative maintenance—has paid off in fewer emergencies, reduced energy consumption, and steadier operations.
Lee Mechanical’s partnership with Uline encompasses a range of services, including budget management, BIM design, prefabrication leadership, and precise on-site installations. The primary goal of this collaboration is to maintain the consistent and dependable operation of Uline’s mechanical and plumbing systems through a proactive preventative maintenance approach. By investing in a comprehensive MEPF (Mechanical, Electrical, Plumbing, and Fire protection) strategy, Uline has successfully minimized the occurrence of emergencies, lowered energy consumption, and achieved greater operational stability.
Obstacles and Solutions
OBSTACLE: Upfront Costs
Solution: Demonstrate the ROI of PM. For instance, show management how one unplanned failure could cost more than an entire year of scheduled maintenance. Present data and case studies that highlight how spending on small repairs prevents major capital expenditures.
OBSTACLE: Staffing Shortages
Solution: Focus your team on the most critical assets first and leverage specialized service providers. Many organizations partner with MEPF experts like Lee Mechanical to handle scheduled inspections and service, ensuring that even a lean internal staff can stay on top of PM tasks.
OBSTACLE: Scheduling Downtime
Solution: Integrate maintenance into operational calendars by performing it during off-peak hours or planned production breaks. Using prefabrication also shortens on-site installation time, minimizing disruptive outages.
OBSTACLE: “If It Ain’t Broke…” Mentality
Solution: Shift the culture from reactive heroics to proactive planning. Training, predictive tools (like thermal imaging for electrical panels), and clear communication of the benefits can help convince stakeholders that small, timely fixes preempt big, expensive ones.
For commercial contractors and facility managers, preventative maintenance is far more than a line-item expense—it’s a strategic investment. By dedicating resources to inspecting and servicing MEPF systems before failures happen, you gain:
- Extended equipment lifecycles
- Improved energy efficiency
- Better budget predictability
- Reduced liability and safety incidents
As shown by Woodman’s Markets’ long-term partnership with Lee Mechanical, a proactive approach to maintenance yields tangible financial and operational benefits over time. So, take a close look at your facility’s current maintenance plan. If you’re finding yourself frequently in crisis mode, it may be time to shift gears and adopt a preventative maintenance strategy.
Ready to get started? Assess your critical assets, schedule regular audits, and consider partnering with experts who can guide you through the process. In Wisconsin and throughout the Midwest, Lee Mechanical offers a comprehensive suite of MEPF services—including preventative maintenance—to help you reduce downtime, avoid emergency repairs, and keep your operations running at peak performance for years to come.