Advanced Reverse Osmosis Systems in Ottawa

Reverse osmosis is designed for homeowners who want a dedicated drinking water system, not just general filtration. Installed at the kitchen tap, an RO system uses multiple filtration stages and a semi-permeable membrane to reduce many dissolved substances that can affect taste, clarity, and overall water quality.

 

For Ottawa homes, this can be especially useful when the goal is cleaner water for drinking, cooking, coffee, tea, and ice. Nelson Water helps match the right reverse osmosis system to your water conditions, usage needs, and installation setup.

Reverse Osmosis Systems
for Ottawa Homes

Our advanced multi-stage RO technology removes dissolved solids, sodium, and contaminants using high-performance membranes, pre‑filters, and post‑treatment steps—delivering pure, great‑tasting water on demand.

Why Ottawa Homeowners Install Reverse Osmosis

A reverse osmosis system is typically recommended when homeowners want cleaner, better-tasting drinking water or want to reduce dissolved contaminants that standard filters may not effectively remove.


Reverse osmosis systems use an ultra-fine membrane to reduce a wide range of contaminants from drinking water, including substances that can affect taste, odour, clarity, and overall water quality.


Many homeowners in Ottawa and the surrounding communities install reverse osmosis systems after noticing concerns such as:

01

Chlorine Taste or Odour

Municipal water can sometimes leave a noticeable chlorine taste or smell in drinking water, coffee, tea, and cooking.

01Chlorine Taste or Odour

Municipal water can sometimes leave a noticeable chlorine taste or smell in drinking water, coffee, tea, and cooking.

02

Bottled Water Frustration

Many families switch to reverse osmosis after getting tired of constantly buying, storing, and carrying bottled water.

02Bottled Water Frustration

Many families switch to reverse osmosis after getting tired of constantly buying, storing, and carrying bottled water.

03

Drinking Water Concerns

Some homeowners want additional peace of mind for contaminants such as lead, nitrates, fluoride, dissolved solids, or microplastics.

03Drinking Water Concerns

Some homeowners want additional peace of mind for contaminants such as lead, nitrates, fluoride, dissolved solids, or microplastics.

04

Better Water for Cooking & Beverages

Filtered drinking water can improve the taste of coffee, tea, ice, soups, and meals prepared with water every day.

04Better Water for Cooking & Beverages

Filtered drinking water can improve the taste of coffee, tea, ice, soups, and meals prepared with water every day.

Why Choose 

Nelson Water?

Nelson Water has been a trusted leader in the water treatment industry for over three decades. We are committed to excellence and customer satisfaction. Our extensive experience and dedication to quality ensure that your water treatment needs are met with expertise and reliability, making us the premier choice for water solutions in your area.

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Reverse Osmosis System FAQs

Answers on reverse osmosis cost, minerals, microplastics and using RO with a well or water softener.

What is a reverse osmosis (RO) system and how does it work?

Reverse osmosis (RO) is a water purification process that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water. RO systems effectively reduce a wide range of contaminants, including dissolved salts, minerals, and microorganisms, providing you with cleaner, better-tasting water. This makes it a top choice for residential water purification.

Installing a reverse osmosis water filter offers numerous benefits, including improved water taste, removal of harmful contaminants like lead and arsenic, reduced sodium content, and cost-effectiveness compared to bottled water. A whole house reverse osmosis system can improve water quality throughout your entire home.

Yes, reverse osmosis systems are highly effective at removing bacteria, viruses, and other microorganisms from water. The RO membrane acts as a barrier, preventing these contaminants from passing through and ensuring safer drinking water.

The frequency of filter changes depends on water quality and usage. Generally, sediment and carbon filters should be replaced every 6-12 months, while the RO membrane should be replaced every 2-3 years. Regular maintenance ensures optimal performance and water quality.

Yes. Reverse osmosis water is widely used for drinking because it helps reduce many dissolved contaminants that can affect water quality, taste, and clarity.

 

Reverse osmosis systems use a semi-permeable membrane and multiple filtration stages to reduce substances such as chlorine, lead, fluoride, nitrates, dissolved solids, and other contaminants depending on the system design.

 

Many Ottawa homeowners choose reverse osmosis systems to improve drinking water quality for everyday use, including water for cooking, coffee, tea, and ice.

Yes. Reverse osmosis systems are commonly used to reduce fluoride in drinking water.

 

Unlike many basic filters, reverse osmosis uses an ultra-fine membrane that can reduce a wide range of dissolved contaminants, including fluoride, dissolved solids, nitrates, and certain heavy metals.

 

Performance can vary depending on the system type, membrane condition, and water quality.

A reverse osmosis system can reduce many dissolved contaminants that may affect drinking water quality, taste, and clarity.

Depending on the system and water conditions, reverse osmosis may help reduce:

  • Chlorine
  • Fluoride
  • Lead
  • Nitrates
  • Dissolved solids
  • Certain heavy metals
  • Some bacteria and microorganisms
  • Unpleasant taste and odour compounds

Reverse osmosis is typically used as a dedicated drinking water solution installed at the kitchen tap.

No. Reverse osmosis water and distilled water are treated differently, although both are designed to improve water purity.

 

Reverse osmosis uses pressure and a semi-permeable membrane to reduce dissolved contaminants, while distillation works by boiling water and collecting the condensed steam.

 

Reverse osmosis systems are more commonly used in homes because they provide filtered drinking water directly at the tap without the energy demands associated with distillation.

An under-sink reverse osmosis system typically costs $150 to $600 for the unit, plus $150 to $300 for professional installation in most Canadian markets. Expect $50 to $150 a year in filter and membrane changes. Whole-house reverse osmosis is a much larger investment, at $4,000 to $10,000 or more. See what is reverse osmosis and our Ontario filtration cost guide.

Yes. The RO membrane removes calcium, magnesium and potassium along with contaminants. That matters less than it sounds, because most of the minerals your body needs come from food, not water. If you prefer the taste of mineralized water, the EcoWater ERO 385 can be fitted with an optional alkaline filter.

Yes. Microplastics are far larger than the pores of a reverse osmosis membrane, which blocks particles down to a tiny fraction of a micron, so a working RO system is one of the most effective ways to remove them from drinking water. Performance depends on maintenance: replace the sediment and carbon filters every 6 to 12 months and the membrane every 2 to 3 years.

Yes, and many homes with hard, contaminated well water use both. Hard water and iron can scale and clog an RO membrane early, so on a well the softener or iron filter usually goes first, treating the whole house, and the RO system serves the kitchen tap. The RO also removes the sodium a softener adds. If your RO is already slowing down, these are the five usual causes.

Related reading: The reverse osmosis filtration process

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