Ozone System Maintenance Costs: Facts and Myths

Ozone System Maintenance Costs: Facts and Myths

Introduction

"Are ozone systems expensive to maintain?" We hear this question every day. Customers who have encountered high service fees in the market are considering abandoning ozone technology altogether. But the real question should be: is ozone maintenance costly — or is it the chemicals you use in place of ozone?

In this article, we address the most common misconceptions about ozone system maintenance costs and lay out the real numbers.

Myth 1: "Ozone system maintenance is very expensive"

Fact: Maintenance cost is directly tied to who installed the system and how it was designed.

There are two different approaches on the market. In the first, the system is sold cheaply — but high long-term costs are reached through spare parts and service agreements. In the second, the system is correctly sized from the outset, quality components are used, and it operates with genuinely low maintenance costs.

In a properly designed installation, the annual maintenance cost of an ozone system stays between 3% and 7% of the total system value. Compared to chemical disinfection or activated carbon filter systems, this figure is often lower.

Myth 2: "Discharge tubes need to be replaced very frequently"

Fact: Quality discharge tubes last 3 to 5 years under the right operating conditions.

The main factors that shorten tube life are: excessive moisture, insufficient cooling system performance, ozone concentration set higher than necessary, and irregular maintenance. All of these are preventable. In systems that receive regular periodic maintenance, tube replacement is a rare event.

Myth 3: "Energy consumption is very high"

Fact: Modern ozone generators consume far less energy than older-generation systems.

With today's technology, producing 1 gram of ozone requires between 10 and 15 watt-hours of energy — roughly half what systems from a decade ago consumed. Moreover, since ozone is generated at the point of use, storage, transportation, and safety costs are zero. Compared to chlorine-based chemicals, total operating cost is generally lower.

Myth 4: "You are always dependent on the manufacturer for service"

Fact: A well-designed ozone system can also be serviced by independent maintenance companies.

If the system components consist of standard industrial parts — compressor, cooler, electrical panel, discharge tube — you can obtain service from different providers. This competition keeps prices in check. We strongly recommend that when purchasing a system, you always ask about component brands and the local service network, so you are not locked into a single provider.

Real Cost Comparison

In a typical stack odor removal scenario at feed mill scale, a five-year total cost comparison reveals the following:

Chemical scrubber system: Due to high chemical consumption, waste disposal costs, and continuous chemical procurement, total operating costs over five years can reach 2 to 3 times that of an ozone system.

Ozone system: Initial investment may be somewhat higher, but chemical cost is zero and waste disposal cost is minimal. In a correctly sized system, total cost of ownership over five years remains significantly lower.

4 Ways to Reduce Maintenance Costs

  1. Correct sizing: A system oversized for its application runs continuously at partial load, reducing efficiency and wearing out components. Choose a system matched to your facility's actual requirements.
  2. Preventive maintenance: When periodic maintenance is neglected, small issues turn into major failures. A routine inspection every six months eliminates unexpected downtime costs.
  3. Pay attention to the cooling system: The factor that most affects discharge tube lifespan is overheating. Cooling water quality and flow rate must be checked regularly.
  4. Moisture control: The lower the moisture content of the air entering the system, the higher the ozone production efficiency — and the longer the component lifespan. Regular maintenance of silica gel or refrigerated dryers must not be neglected.

Conclusion

Maintenance costs in ozone systems are directly related to who installed the system, what components were used in the design, and how it is operated. With proper installation and regular maintenance, ozone continues to be one of the most economical odor removal and disinfection technologies available over the long term.

If you find your current system's maintenance costs too high, contact OCS Ozon for a free technical assessment.