What is Preventive Maintenance? (The Complete Guide)

Learn all about Preventive Maintenance, the different types, and its key benefits. Plus, explore how a CMMS simplifies scheduling, tracking and automation
The FieldEx Team
June 24, 2025
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When it comes to keeping operations running smoothly, waiting for things to break is a risky and expensive game. Preventive maintenance is the smarter alternative, acting as a regular health check-up for your equipment instead of waiting for a full-blown crisis. By scheduling routine inspections, servicing and minor fixes in advance, businesses can prevent costly breakdowns, reduce downtime and extend asset lifespan.

It’s the difference between planned upkeep and emergency repairs. And trust us, the former is far kinder to your budget.

In this guide, we’ll break down everything you need to know about preventive maintenance, why it matters, the strategies that work, and how to implement a foolproof system that saves time and money.

Ready to get started? Let’s go!

What is Preventive Maintenance?

Preventive maintenance is a proactive approach to equipment care that involves routine inspections, servicing, and repairs to prevent unexpected failures. Instead of waiting for breakdowns, businesses schedule maintenance tasks in advance, reducing downtime, improving efficiency, and extending asset lifespan.

The Core Principles of Preventive Maintenance

  1. Routine Inspections: Regular check-ups to catch early signs of wear and tear.
  2. Scheduled Servicing: Performing maintenance based on a fixed timeline or usage milestones.
  3. Predictive Analysis: Using data to forecast when maintenance should be performed.
  4. Proactive Repairs: Addressing minor issues before they escalate into major failures.

By following these principles, businesses can reduce operational costs, enhance safety and improve overall efficiency.

Key Benefits of Preventive Maintenance

  1. Minimizes Downtime – Reduces the risk of unexpected breakdowns and costly delays.
  2. Extends Equipment Lifespan – Regular upkeep helps assets last longer.
  3. Improves Safety – Prevents hazardous malfunctions that could endanger workers.
  4. Reduces Repair Costs – Fixing minor issues early prevents major repairs.
  5. Enhances Productivity – Keeps operations running smoothly without interruptions.

Preventive Maintenance vs Reactive Maintenance

Preventive Maintenance (“Fix It Before It Breaks”)

  • Scheduled maintenance prevents failures.
  • Lower long-term maintenance costs.
  • Safer work environment.

Reactive Maintenance (“Fix It When It Breaks”)

  • Unexpected failures disrupt operations.
  • Higher emergency repair costs.
  • Increased safety risks.

Studies show that unplanned downtime costs manufacturers an average of $260,000 per hour (Aberdeen Research). Implementing a preventive maintenance strategy can significantly reduce these costs.

Preventive Maintenance vs Predictive Maintenance: What’s the Difference?

Preventive maintenance and predictive maintenance sound similar, and they both help keep your equipment running smoothly. But they take very different approaches. 

If you’re deciding which strategy fits your business, understanding the key differences between the two can save you time, money and a lot of headaches.

What Is It?

As explained earlier, preventive maintenance (PM) is a proactive approach where maintenance tasks are scheduled in advance, either on a calendar basis.

Meanwhile, predictive maintenance (PdM) uses data and real-time equipment monitoring (through sensors, software or machine learning) to predict when a component is likely to fail, so that you can fix it just before that happens. Kind of like your car alerting you that your brake pads will need replacing in 150 miles.

Why It Matters

Factor Preventive Maintenance (PM) Predictive Maintenance (PdM)
Timing Approach Follows a fixed schedule based on time or usage (e.g. every 3 months, every 100 hours). Based on real-time equipment data; maintenance is triggered by actual wear or performance trends.
Maintenance Accuracy May lead to over-maintenance or unnecessary part replacement. Highly accurate — only performs maintenance when needed, reducing unnecessary work.
Implementation Cost Low to moderate — easy to set up, especially with a CMMS. Higher — requires sensors, condition-monitoring tools, and data analytics.
Tech Requirements Minimal — typically manual logs or basic CMMS automation. Requires IoT, machine learning, or analytics-enabled systems for data capture and analysis.
Best For Assets with predictable wear and lower criticality (e.g. HVAC, vehicles, tools). High-value, complex, or mission-critical equipment (e.g. MRI machines, production robots).
Ease of Use Simple and widely applicable across industries. More complex setup and requires data literacy or IT support.

Real-World Application

Many organizations use a hybrid model, combining preventive maintenance for routine checks and predictive maintenance for critical assets.

A CMMS like FieldEx helps manage both. You can schedule regular PM tasks and log IoT sensor data to trigger predictive alerts, all in one platform.

Example

Let’s say a retail chain uses preventive maintenance to service HVAC units every quarter, no matter how much they’ve run. But for high-end refrigeration equipment, they use temperature and vibration sensors to track performance. When anomalies pop up, a predictive alert triggers a service request before the unit breaks down.

The Hidden Costs of NOT Having a Preventive Maintenance Plan

Think you can afford to skip preventive maintenance? Consider this:

  • Increased Energy Consumption: Inefficient machinery requires more power to operate, increasing utility bills.
  • Shortened Equipment Lifespan: Frequent breakdowns mean premature replacements, adding to capital expenses.
  • Safety Risks: Equipment failures can lead to workplace accidents, legal liabilities, and reputational damage.
  • Increased Costs: Unplanned downtime costs up to 10X more than planned maintenance.
  • Safety Risks: Poorly maintained equipment increases safety risks.
  • Non-Compliance: Regulatory fines for non-compliance can hit hard.
  • Stained Reputation: Customer trust declines when service interruptions become frequent.

Best Time to Schedule Preventive Maintenance (and Why It Matters)

Timing your maintenance just right isn’t guesswork, it’s a strategy. Get it right, and you’ll keep your assets humming. Get it wrong, and you risk wasting time, money, or worse: an unexpected breakdown when you need your equipment the most.

So, when should you schedule preventive maintenance? Here are four proven ways to time it smartly:

  • Follow manufacturer recommendations: These aren’t suggestions; they’re based on years of testing. Always use the OEM’s service intervals as your starting point.
  • Apply the 80/20 rule: Focus on the 20% of assets that have the biggest impact on 80% of your operations. They deserve the most attention, and the most regular servicing.
  • Monitor asset performance: If a machine’s output starts slipping or it’s using more energy than usual, that’s a clear signal it’s time for maintenance, even if the calendar says otherwise.
  • Don’t overdo it: More maintenance isn’t always better. Servicing too often wastes time and resources. Not enough? You’re rolling the dice on downtime. Use data (and your CMMS) to strike the right balance.
Want a ready-made way to stay on top of timing? Grab our Preventive Maintenance Checklist and pair it with our Maintenance Schedule Template (absolutely free of charge!)

How to Determine Maintenance Intervals

Different types of assets require different maintenance schedules. The key factors that influence timing include:

  • Usage Frequency: High-usage equipment needs more frequent check-ups.
  • Environmental Conditions: Extreme temperatures, humidity, or exposure to contaminants can accelerate wear and tear.
  • Historical Failure Data: Reviewing past performance helps identify optimal maintenance windows.

How to Implement a Preventive Maintenance Program

Step 1: Identify Critical Assets

Not all equipment requires the same level of maintenance. Prioritize high-value or high-risk assets that directly impact operations.

Step 2: Create a Maintenance Schedule

Base maintenance intervals on:

  • Manufacturer recommendations.
  • Usage frequency.
  • Environmental conditions.
  • Historical failure data.

Step 3: Train Your Team

Ensure employees understand their roles in the maintenance process. Proper training leads to fewer errors and better compliance with procedures.

Step 4: Use a CMMS (Computerized Maintenance Management System)

A CMMS helps businesses automate maintenance scheduling, track work orders and asset history, monitor equipment performance, and improve compliance with regulations.

Step 5: Monitor and Optimize

Regularly review maintenance data to refine your strategy. Adjust schedules based on equipment performance and feedback.

Why Use a CMMS for Preventive Maintenance?

Preventive maintenance is only as effective as the system managing it. A Computerized Maintenance Management System (CMMS) takes the guesswork out of scheduling, tracking, and optimizing maintenance tasks, ensuring your assets remain in top condition with minimal effort.

Key Benefits of CMMS in Preventive Maintenance

Automated Scheduling – No more missed maintenance tasks. A CMMS sets up recurring schedules based on usage, manufacturer recommendations, or custom intervals.

Real-Time Asset Tracking – Keep tabs on asset performance, maintenance history, and upcoming service needs, all from one centralized dashboard.

Work Order Management – Assign, track, and complete maintenance tasks efficiently, ensuring technicians have clear instructions and necessary parts.

Data-Driven Decision Making – CMMS collects and analyzes maintenance data, helping businesses optimize schedules, reduce costs, and extend asset lifespan.

Regulatory Compliance – Simplifies documentation and reporting for audits, keeping businesses compliant with industry standards.

With a CMMS, preventive maintenance becomes a proactive, streamlined process rather than a manual, reactive one. The result? Fewer breakdowns, lower costs, and maximum asset efficiency.

The Role of Technology in Preventive Maintenance

IoT and Smart Sensors

Real-time monitoring detects early warning signs of equipment failure, allowing for timely intervention.

AI-Powered Predictive Maintenance

Machine learning analyzes past failures to predict future maintenance needs, optimizing schedules.

Mobile CMMS Solutions

Mobile apps enable technicians to receive alerts, update work orders, and track maintenance history on the go.

Final Thoughts

In a world where downtime equals lost revenue, preventive maintenance isn’t just a best practice – it’s a business necessity. By staying ahead of equipment failures, you can reduce costs, improve efficiency and extend asset lifespan with minimal disruption.

Technology has made it easier than ever to implement a proactive maintenance strategy. With tools like CMMS software, IoT sensors and AI-driven insights, businesses can automate tasks, track performance and make data-driven decisions with confidence.

The question isn’t whether preventive maintenance is worth it – it’s whether your business can afford to operate without it. 

Ready to learn how FieldEx can help streamline your maintenance strategy and operations? Reach out for a free demo today!

Frequently Asked Questions

1. What is preventive maintenance (PM)?

Preventive maintenance is the routine servicing of equipment or assets at scheduled intervals to prevent unexpected breakdowns. It’s a proactive strategy aimed at reducing downtime, extending asset life and controlling maintenance costs.

2. What are the types of preventive maintenance?

The main types of PM are:

  • Calendar-based: Scheduled by date (eg monthly, quarterly)
  • Usage-based: Triggered by hours used, mileage or cycles
  • Condition-based: Based on sensor data or performance thresholds

3. What is the difference between preventive and predictive maintenance?

Preventive maintenance (PM) is done on a fixed schedule, while predictive maintenance (PdM) is based on real-time data that predicts when a failure is likely to occur. 

PdM typically requires sensors and advanced analytics, while PM is easier to implement and more broadly used.

4. Why is preventive maintenance important?

It reduces the risk of equipment failure, improves safety, extends asset lifespan, lowers emergency repair costs, and keeps operations running smoothly. 

It’s often more cost-effective than reactive maintenance.

5. What industries use preventive maintenance?

PM is used across industries like manufacturing, healthcare, retail, construction, property management, agriculture, and professional services – basically any sector that relies on equipment, vehicles or facilities.

6. How does a CMMS help with preventive maintenance?

A CMMS (Computerized Maintenance Management System) like FieldEx automates PM scheduling, work order creation, asset tracking, inventory management and reporting. 

It eliminates manual paperwork and ensures no maintenance task is forgotten.

7. Can small businesses benefit from preventive maintenance?

Absolutely. Even small businesses with limited assets can save time and money by preventing costly breakdowns. A lightweight CMMS can make PM easy and affordable to manage.

8. How do I build a preventive maintenance schedule?

Start by listing all assets, prioritizing critical ones, setting service intervals based on manufacturer recommendations or usage, assigning responsibilities, and tracking tasks with a CMMS.

9. Is preventive maintenance expensive?

While PM has some upfront time and scheduling costs, it usually saves money in the long run by avoiding emergency repairs, downtime, and premature asset replacement.

10. What’s an example of preventive maintenance in the real world?

For example, a retail chain might schedule HVAC filter replacements every 3 months to avoid system failure during peak summer. Or a farm may service tractors after every 100 hours of use to ensure field readiness.

11. How can FieldEx help with preventive maintenance?

FieldEx makes preventive maintenance a whole lot easier. You can plan ahead, set up recurring tasks, assign work orders to your team, and keep track of parts – all in one place. 

Instead of juggling spreadsheets or chasing paper trails, FieldEx helps you stay organized, save time, and make sure nothing falls through the cracks.

Want to see how FieldEx works? Book a free FieldEx demo today!

About the Author

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The FieldEx Team

FieldEx is a B2B field service management software designed to streamline operations, scheduling, and tracking for industries like equipment rental, facilities management, and EV charging, helping businesses improve efficiency and service delivery.

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No paperwork. No spreadsheets. No blindspots. Just one solution that simplifies your field service operations.
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