Long-Lasting RO Water Filtration Systems for Drinking Water in New Hampshire
Enjoy bottled-quality water straight from your tap. At GSMS, we install reverse osmosis (RO) water systems that give your family the purest drinking water possible, right at the kitchen sink or refrigerator.
What sets us apart is our process. Every system begins with state-certified lab testing, so your RO system for home is custom-designed for your water quality — not a generic setup. With accurate results and trusted WaterSoft products, we deliver RO systems built for lasting performance.
Call 603-424-8258 or contact us online today to schedule your free in-home estimate.
What Is Reverse Osmosis (RO)?
A reverse osmosis (RO) water system is one of the most effective ways to purify drinking water for your home. Using a multi-stage filtration process, an RO water filtration system pushes water through a semi-permeable membrane that removes nearly all dissolved solids, chemicals, and impurities.
Unlike basic carbon filters that only improve taste and odor, a filter RO system targets contaminants at the molecular level — leaving you with crisp, clean water for drinking and cooking.
Most homeowners choose an undersink RO system because it:
- Provides a steady supply of purified water directly at the kitchen sink.
- Can connect to refrigerators and ice makers for added convenience.
- Delivers bottled-quality water without the waste and cost of buying cases of bottles.
In short, an RO system for home use ensures your family always has safe, great-tasting water on demand — designed specifically for your household’s water quality.
RO Water Filtration System FAQs
Yes. A filter RO system removes dissolved solids, chemicals, and contaminants that pitchers and fridge filters can’t.
Whole-house RO can corrode copper pipes and wastes water unnecessarily. That’s why GSMS installs undersink RO systems designed for safe, efficient point-of-use treatment.
Pre-filters are replaced annually, membranes last 2–3 years.
Most RO systems for the home last around 10 years with proper care.
Yes. GSMS is one of the only companies in the area that partners with a state-certified lab for full water testing and a legal water quality report.
Yes. We intercept the supply line behind the fridge so your refrigerator and ice maker also get RO water.
Yes. RO is especially important for well water, but many city water homeowners choose it for taste, peace of mind, and reduced bottled water use.
Yes. Our estimates are free. The only upfront cost is the certified water test.
Certified Lab Testing Before Every RO Installation
What makes GSMS unique is our commitment to testing before treating. While some companies rely on quick handheld testers, we take a professional, science-based approach.
- Certified Water Test: We collect a water sample and send it to a state-certified laboratory. You receive a legal water quality report for your property records.
- Custom Design: Based on your lab results, our team works with WaterSoft specialists to design the right system and supporting filters.
- Clear Recommendations: No guesswork. You’ll see exactly which contaminants are being treated and why.
- Professional Installation: Our licensed team installs your RO water system neatly and efficiently, typically within two weeks.
This process ensures your system isn’t just effective, it’s designed for your exact water conditions.
RO Water Systems We Install
At GSMS, we install WaterSoft RO water filtration systems, a trusted brand known for durability and long-lasting performance. Every installation is tailored to your home’s water quality and your family’s needs, based on certified lab testing.
Undersink RO Systems
Installed directly under your kitchen sink, these compact units filter water through multiple stages, including a semi-permeable RO membrane, to remove impurities and deliver clean drinking water on demand.
Dedicated RO Drinking Faucets
Add a sleek, secondary faucet at your kitchen sink for easy access to purified water for cooking, filling bottles, or making coffee and tea.
Fridge & Ice Maker Filtration Connections
We can connect your undersink RO system to your refrigerator line so your fridge dispenser and ice maker also benefit from the same high-quality water.
Multi-Stage Filter RO Systems
Depending on your water test, we may recommend additional pre-filtration (such as sediment or carbon filters) to protect the RO membrane and extend system life.
Every installation is performed by our licensed team with neat, efficient workmanship, so your RO system not only performs flawlessly but is also installed cleanly and professionally. For homeowners needing more than a single filter RO system, GSMS also offers custom configurations that bundle RO with water softeners, UV systems, or whole-home filters for complete water treatment.
Why We Recommend Undersink RO vs. Whole-House RO
At GSMS, we install undersink reverse osmosis systems rather than whole-house RO, and here’s why:
- Perfect for drinking water: RO provides the purest water where you need it most: cooking, beverages, and peace of mind.
- Protects your plumbing: Whole-house RO can corrode copper pipes because ultra-pure water reacts with metals.
- Efficient and practical: No need to over-treat water for showers, laundry, and toilets. An undersink RO system delivers clean water right at the source.
- Flexible setup: Choose a dedicated RO faucet at the sink or connect your system directly to the refrigerator and ice maker.
This approach balances safety, efficiency, and performance, giving you the benefits of RO where it matters most.
Reverse Osmosis System Maintenance & Lifespan
Like any home system, a reverse osmosis water filtration system works best with regular care. Routine filter changes and occasional maintenance keep your RO system running efficiently and ensure your family continues to enjoy safe, great-tasting water.
- Filter changes: Pre-filters replaced annually; membranes typically last 2–3 years.
- System lifespan: Most RO systems for home last 10 years or more with proper care.
- Extended protection: Pairing with a water softener helps extend RO membrane life.
- Warranties: WaterSoft RO products include a 5-year product warranty, with GSMS providing a 1-year labor warranty (2 years for Home Club members).
Smart Pairings with RO
Many homes see the best results with a combination of water treatment solutions:
- Water Softeners: Reduce hardness for better showers, cleaner fixtures, and longer appliance life.
- UV Systems: Target bacteria and microorganisms for added safety.
- Whole-Home Cartridges (like the Pioneer filter): Trap sediment, iron, and PFOA contaminants with long-lasting cartridges that outperform standard filters.
Why Choose GSMS for RO Water Systems
When it comes to something as important as your family’s drinking water, you want more than just a system — you want a partner you can trust. GSMS has been family-owned and operated since 1987, serving New Hampshire homeowners for two generations.
Why homeowners trust GSMS:
- Proven Experience: Nearly 40 years serving New Hampshire homes and businesses.
- Family-Owned Commitment: Local roots, not a national chain.
- Certified Lab Testing: Our process ensures accuracy and custom solutions.
- Trusted Products: Installing only WaterSoft RO systems backed by warranties.
- Customer-First Values: Service comes first, make it matter, success is teamwork.
- Community Focused: Proud to give back and support local families.
Start Enjoying Pure Drinking Water Today
At GSMS, we believe every family deserves safe, great-tasting water without the hassle or waste of bottled water. With our undersink RO water filtration systems, you’ll have clean, reliable water every day — backed by the trust and care of a second-generation, family-owned company.
Call 603-424-8258 or contact us online to schedule your free in-home estimate. Most installations are completed in one visit, usually within two weeks.
With GSMS, you’ll get more than an RO system — you’ll get the confidence of knowing your family’s water is in good hands.
