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Maintenance Cost Calculator

Select your water purifier type to estimate the 5-year hidden maintenance costs (AMC & Filters).

The Hidden Cost of Water Purifiers: AMC and Filter Replacements

When purchasing a water purifier, most buyers only look at the upfront price tag. However, the true cost of owning a water purifier lies in its Annual Maintenance Contract (AMC) and recurring filter replacements. Our free Maintenance Cost Calculator helps you estimate exactly how much you will spend over a 5-year lifespan based on the technology you choose.

Why Do RO Purifiers Cost So Much to Maintain?

Reverse Osmosis (RO) purifiers are complex machines with multiple filtration stages. To keep the water safe and the machine functioning, you must regularly replace:

  • Pre-filters (Every 3-6 months): Costs ₹300 - ₹500.
  • Carbon & Sediment Filters (Every 6-12 months): Costs ₹800 - ₹1,500.
  • RO Membrane (Every 1-2 years): The most expensive part, costing ₹2,000 - ₹3,500.
  • UV Lamp (Every year): Costs ₹500 - ₹800.

When you add labor charges (around ₹500 per visit), the annual maintenance for an RO system easily averages between ₹4,000 to ₹5,500.

UV and Gravity Purifiers: The Cheaper Alternatives

If your water TDS is low (below 200 mg/L), you do not need an RO purifier. Opting for a UV+UF purifier not only retains healthy minerals in your water but also slashes your maintenance costs by more than half. UV purifiers only require a yearly change of the sediment filter and the UV lamp, averaging just ₹1,500 per year.

Gravity-based purifiers are the most economical. They require no electricity and rely on simple UF (Ultrafiltration) cartridges that cost a few hundred rupees to replace once a year.

Frequently Asked Questions

What is an AMC for a water purifier?

AMC stands for Annual Maintenance Contract. It is a yearly fee you pay to the brand or service provider to cover all labor visits, routine cleanings, and in comprehensive plans, the cost of all replacement filters and spare parts.

Can I replace water purifier filters myself?

Yes, replacing pre-filters is usually easy and can be done at home to save labor costs. However, replacing the internal RO membrane or rewiring the UV lamp requires technical knowledge and specialized tools.

How long does an RO membrane last?

Depending on the TDS level of your input water, an RO membrane typically lasts between 12 to 24 months. If your input water has very high TDS (above 1000 mg/L) or high mud content, the membrane will choke faster.