Reverse Osmosis Systems

Improve Your Home’s Water Quality with Reverse Osmosis Filtration

Pure, Clean Drinking Water for Your Home

If you’re looking for the highest quality drinking water, a reverse osmosis (RO) system is one of the most effective filtration methods available. At Dor-Mar Heating, Air Conditioning, Plumbing, and Water Treatment, we specialize in reverse osmosis system installation, maintenance, and repair, ensuring that your family has access to clean, great-tasting, and contaminant-free water.

What is Reverse Osmosis & How Does It Work?

Reverse osmosis is a multi-stage filtration process that removes contaminants, impurities, and harmful substances from your water supply. It works by forcing water through a semi-permeable membrane, which traps contaminants like lead, chlorine, bacteria, pesticides, and heavy metals while allowing only pure water molecules to pass through.

The Reverse Osmosis Filtration Process:

  1. Pre-Filtration: A sediment filter removes dirt, rust, and debris that could damage the RO membrane.
  2. Carbon Filtration: Activated carbon removes chlorine, odors, and volatile organic compounds (VOCs).
  3. RO Membrane: The semi-permeable membrane filters out 99% of contaminants, including bacteria, viruses, and heavy metals.
  4. Post-Filtration: A final carbon filter polishes the water for improved taste and clarity.
  5. Storage & Delivery: The purified water is stored in a tank and delivered to your faucet on demand.

Benefits of a Reverse Osmosis System

Investing in an RO system provides several benefits:

  • Superior Water Purity: Removes up to 99% of contaminants, including lead, arsenic, chlorine, and fluoride.
  • Better Taste & Odor: Eliminates unpleasant tastes and odors for clean, fresh drinking water.
  • Healthier Drinking Water: Reduces exposure to harmful chemicals, bacteria, and heavy metals.
  • Saves Money: No need for expensive bottled water—RO filtration provides cost-effective clean water at home.
  • Eco-Friendly: Reduces plastic waste from bottled water and promotes sustainable water usage.

Our Reverse Osmosis System Services

Reverse Osmosis Installation

If you’re ready to enjoy pure, filtered drinking water, our team will install a high-efficiency RO system that meets your household’s needs. We offer under-sink RO systems, whole-house RO systems, and commercial RO units.

Reverse Osmosis Maintenance

Regular maintenance is essential to keep your RO system running efficiently. Our RO system maintenance services include:

  • Filter replacements (pre-filters, post-filters, and RO membranes)
  • Sanitization of storage tanks
  • Checking water pressure levels
  • Testing for water purity

Reverse Osmosis Repair

If your system isn’t functioning correctly, we provide fast and reliable repairs. Common issues we fix include:

  • Low water flow
  • Leaking or clogged filters
  • Unpleasant taste or odors
  • Storage tank not filling properly

Financing Options for Reverse Osmosis Systems

We understand that investing in a high-quality water filtration system is a big decision. That’s why we offer flexible financing options to make clean water more affordable.

Financing Benefits:

  • Low monthly payment plans
  • Competitive interest rates
  • Fast approval process
  • No hidden fees

Visit our financing page to explore financing options and find a payment plan that works for your budget!

Why Choose Dor-Mar for Your Water Treatment Needs?

  • Certified Water Treatment Experts – We have the expertise to handle all water quality issues.
  • High-Quality Products – We install top-rated water filtration and softening systems.
  • Upfront Pricing – No hidden fees—just transparent, honest service.
  • Fast & Reliable Service – Same-day installations and emergency repairs available.
  • Trusted Since 1962 – Over 60 years of experience in home services.

Schedule Your FREE Water Quality Test Today!

If you’re concerned about your home’s water quality, contact Dor-Mar Heating, Air Conditioning, Plumbing, and Water Treatment today to schedule a water quality test and consultation. We’ll help you find the perfect solution for clean, healthy water throughout your home!

See What Our Many Satisfied Customers Say…

Dor Mar Heating & Air ConditioningExcellentDor Mar Heating & Air Conditioning4.6 Based on 1453 reviews fromSee all reviews review us onT KellyT Kelly ★★★★★ Professional and completed the checks in a timely manner.He has been to my house several times and I'm always glad to see him.Ramona MatthesRamona Matthes ★★★★★ Travis was here for the Hot Water heater inspection on our 5 year plan. He was very pleasant and informative. All is well.Response from the ownerThanks, Ramona! We're so glad to hear you had a great experience with Travis and your hot water heater inspection. Providing pleasant, informative, and professional service is always our goal at Dor-Mar. We appreciate you trusting us with your 5-year plan and look forward to our next visit!Best regards-The Dor-Mar Team Paco sanzPaco sanz ★★★★★ Anthony was really friendly and respectful. Thoughtful about possible mess. Well informed, explained things, gave advice in case we dont go with his business about important details. Had answers to questions, was able to quote me some options. Recorded details for him to do the job.All around, very positive experience with Anthony.Response from the ownerThanks for the fantastic review! We're so glad you had a positive experience with our team. We're proud of our technicians like Anthony who provide friendly, respectful, and well-informed service to our customers in the Newark, Ohio area.Our goal is to always provide transparent pricing and clear options so you feel confident in your decision. We look forward to working with you on your upcoming home service needs! Linda BrillhartLinda Brillhart ★★★★★ Response from the ownerHello Linda, thanks for the 5-star review! Our team at Dor-Mar is always ready to provide top-notch heating and cooling solutions for our customers in the Newark, Ohio area. We appreciate your feedback and look forward to helping you with any future home service needs. Luke SecrestLuke Secrest ★★★★★ Steve Swonger came out and was extremely knowledgeable and professional within minutes had our problem fixed.Response from the ownerThank you so much, Luke! We appreciate you taking the time to share your positive experience. We pride ourselves on providing quality home services and "no headache" solutions, so we're thrilled to hear that was your experience. It was a pleasure working with you! dbouch55dbouch55 ★★★★★ A/C quit working yesterday, called in late last night, Steve came to the house at 8am this morning and my A/C was fix the next hour. I highly recommend asking for Steve S.Response from the ownerThank you for the fantastic review! We're so glad we could get your A/C back up and running so quickly. Steve is an incredible technician, and we'll be sure to pass along your kind words.Providing prompt, reliable air conditioning repair is what we do best, and we appreciate you choosing us for your home service needs. If you need anything in the future, please don't hesitate to reach out! Kenneth ArmentroutKenneth Armentrout ★★★★★ Been a customer for years. Top notch equipment and employees. Never have failed me. Highly recommend for all hvac needsResponse from the ownerWe appreciate you being a Top notch customer Kenneth! Thank you for continuing to use Dor-Mar! Lonnie SunkleLonnie Sunkle ★☆☆☆☆ $250 just to look at my unit that's a complete rip offResponse from the ownerUnfortunetly Lonnie, we are unable to locate you in our system. Please give us a call to allow us to look into the issue. Debra WaltonDebra Walton ★★★★☆ Brad did a fabulous job. He was thorough and explained everything as he worked. Very nice guy. 👌 I give Brad 5 stars. The company gets 4 stars. Took 3 days to get the job done. Not Brad's fault. Thank you Brad.Response from the ownerThank you for your review! We're thrilled to hear that Brad provided you with a five-star experience. He is a valued member of our team, and we'll be sure to pass along your kind words.We also appreciate your honest feedback regarding the timeline. We understand that waiting three days for a repair can be frustrating, and we're constantly working to improve our scheduling and dispatching to provide faster service.We hope to earn that fifth star from you on your next service call. Please don't hesitate to reach out if you need us in the future for any of your HVAC, plumbing, or electrical needs. Chad SmithChad Smith ★★★★★ A/C unit went out on a 90 degree day... Had a tech there in about an hour and a new unit installed the next day... they brought us a window unit to get thru the day and night... A+ experienceResponse from the ownerThank you so much for the fantastic review! We know how stressful it is when your A/C unit goes out on a 90-degree day, and we're dedicated to providing fast, reliable service to get you cool again.We're thrilled we could get a technician out to you so quickly and that the temporary window unit helped keep you comfortable. Providing that extra level of care is part of our commitment to customer service.We appreciate you choosing us for your air conditioning installation and are so happy you had an A+ experience! Barbara CoursonBarbara Courson ★★★★★ Zack was very professional, explained things to me. I would request him personally for any future jobs. Thanks for fixing our dishwasher!Response from the ownerHi Barbara,Thank you so much for the kind words and for taking the time to leave a review. We're happy to hear that Zack was able to help you out and get your dishwasher fixed. He's a valued member of our team, and we'll be sure to pass along your praise.We appreciate your business and are here for you whenever you need us in the future.Best,The Dor Mar Team Pat StevensPat Stevens ★★★★★ The technician was here on time and completed the furnace maintenance inspection in a timely manner. He was very respectful, friendly and professional.Response from the ownerPat, thank you for taking the time to provide such kind words about your expirience with our tech! Tim YoungTim Young ★★★★★ Excellent technicianResponse from the ownerHi Tim,Thanks so much for the 5-star review! We're glad to hear you had a great experience with our technician.We appreciate your business and look forward to helping you with any future needs.Best,The Dor Mar Team Tim KoenigTim Koenig ★★★★★ Response from the ownerThank you fpr the 5-star rating Tim! Tess ElderTess Elder ★★★★★ Response from the ownerThank you Tess, we appreciate the 5-star rating! Darren HallDarren Hall ★★★★★ Response from the ownerWe appreciate the 5-star rating Darren! Thank you for choosing Dor-Mar! Helen StoutHelen Stout ★★★★★ Steve was a fantastic nice person...He did all we ask him to do .... very politely... I will always cokme back to dormar because of Steve and the servece we received,,,Response from the ownerWe are so thankful for the customers like you Helen, we are appreciative of the great review and look forward to doing future business with you! Mike BookerMike Booker ★★★★★ Response from the ownerWe appreciate you for leaving a 5-star rating Mike! Linda SheltonLinda Shelton ★★★★★ Thank you, wonderful service.Response from the ownerThank you for the great review Linda! Beth KellyBeth Kelly ★★★★★ Great service! I appreciate how quickly and efficiently Zach did the work. Well done, Dor Mar!Response from the ownerWe appreciate you leaving our tech a great review, thank you for choosing Dor-Mar for your Appliance repair Beth! charles hammcharles hamm ★★★★☆ Response from the ownerWe appreciate the good ratingCharles, if you could possibly provide us with some feedback to improve to a 5-star rating we would greatly apprecite it! Elden PaulElden Paul ★★★★☆ Response from the ownerWe appreciate the good rating Elden, if you could possibly provide us with some feedback to improve to a 5-star rating we would greatly apprecite it! William MaysWilliam Mays ★★★★★ Response from the ownerWe appreciate the 5-star rating William! Brenda JacobsBrenda Jacobs ★★★★★ Steve did a great job in timely manner & explained things to me.Response from the ownerWe appreciate the great review Steve, we are so thankful that you pick Dor-Mar for your home services! Shawn HendricksonShawn Hendrickson ★★★★★ Quick response time, amazing service, technician was friendly and knowledgeable, didn't price gouge, very happy with the service. Would highly recommend!!!Response from the ownerThank you Shawn for taking the time out of your day to leave a great review about your experience with our technician and our company! Amy RamseyAmy Ramsey ★★★★★ I just had new air & furnace installed in my home. Everyone at Dormar has been great!!! Very knowledgeable about the products, answered my questions & very prompt service. I have lived in my home for 4 1/2 years but found out I had the original furnace from 1969 when the house was built & air from 1980. So needless to say it was time for new. I would recommend Dormar to everyone!!! Thank you so much for everything & it felt like Christmas to me!!!Response from the ownerAmy, thank you for taking the time to leave us a five-star rating and such an upstanding review. New updates to the home can be painstaking and here at Dor Mar we try to make the process as simple as possible. Thank you for choosing Dor-Mar Home Services and we are thankful for the continued business with you! Sanda SeymourSanda Seymour ★★★★★ He did a good jobResponse from the ownerThank you Sanda for the great review! Paul WagonerPaul Wagoner ★★★★★ Awesome as alesysResponse from the ownerThank you Paul for the great review! Annette DukeAnnette Duke ★★★★★ Response from the ownerWe appreciate the 5-star rating Annette! Mars DrummondMars Drummond ★★★★★ Response from the ownerThank you for the 5-star review Mars! Dave BrennanDave Brennan ★★★★☆ Yoyr tech did a fine job.Response from the ownerWe apprecite the good rating, if there is anything we can do to improve to a 5-star we would appreciate the feedback! Paul BujdosoPaul Bujdoso ★★★★★ Bread was very professional and courteous.Response from the ownerWe truly appreciate the great review of our technician Paul! levene Baughnlevene Baughn ★★★★★ Response from the ownerWe appreciate the 5-star rating! Amy GreenAmy Green ★★★★★ Response from the ownerWe appreciate the 5-star review Amy! Fred HabenschussFred Habenschuss ★★★★★ Derrick did a great job repairing my HVAC. He was very efficient and explained everything that he was doing.Response from the ownerThank you Fred, for leaving a great review for your technician! Debbie CraseDebbie Crase ★★★★★ Response from the ownerWe appreciate the 5-star rating Debbie! Dana RidenourDana Ridenour ★☆☆☆☆ The worst service and job ethics I have ever seen in my life. How could anyone install a brand new air conditioner that has no Freon. Then there is this Stacy woman that works there very rude and threatening My wife saying she was gonna put a lien on her house. Five minutes after the work was finished she wanted a payment. I will never ever use that company again for anything, and I will not recommend them to anyone. They are a bunch of and unqualified refrigeration technician that I have ever seen.Response from the ownerDana, we are so sorry to hear about your experience. This is not the standard we hold ourselves to, and we sincerely apologize for the issues with your AC. We take your feedback seriously and want to make this right. Please contact us directly so we can resolve this for you. Carl OblingerCarl Oblinger ★★★★★ Technician was friendly, knew his job.Response from the ownerThank you Carl, for the great review! Lewis MillinerLewis Milliner ★★★★★ The DorMar technician, Wes Frasure, was very professional, knowledgeable, kind and respectful.Response from the ownerWe apprecite you leaving your tech a great review Lewis! Ashley WarnerAshley Warner ★★★★★ Jordan was great and addressed my concerns today with plumbing issues. I appreciated him taking the time to explain the issues and what needed to be done to fix it. He was knowledgeable and friendly. I will definitely be requesting to use him next time!Response from the ownerThank you Ashley for letting us know how well your appointment with our technician, we appreciate the kind words. Vern JewettVern Jewett ★★★★★ The repair was successful. Zach was friendly and professional.Response from the ownerWe appreciate you leaving your tech a great review Vern! nicholas frostnicholas frost ★★★★☆ Said it would be 2 hours but tech was delayed. Canceled after no response for 4 hours. Customer service called me later tonight to apologize and offer to schedule service.Response from the ownerWe apologize if there was any misinformation given at time of booking , we guarantee same day service and provide a window for the appointment time so if someone told you an approximate time that wasnt how we typically book. We appreciate the honest feedback and are thankful for the good rating Nicholas! Jamie TifftJamie Tifft ★★★★★ Jordan is amazing! Super friendly and knowledgeable, solved my issue within seconds and gave me all kinds of info and recommendationsResponse from the ownerWe appreciate you taking the time to leave such a great review about your expirience with your technician Jamie! Paula ParkerPaula Parker ★★★★★ Response from the ownerThank you for leaving us 5-stars Paula! Brenda CorbettBrenda Corbett ★★★★★ Very prompt and professional,addressed the problem and resolved it.Response from the ownerThank you Brenda for taking the time to leave a great review about your expirience! JANET OGILBEEJANET OGILBEE ★★★★★ Response from the ownerWe appreciate the 5-stars Janet, glad we could provide you with great service! Jason WinterhalterJason Winterhalter ★★★★★ Response from the ownerThank you Jason, we appreciate the 5-star rating! Chris CChris C ★★★★★ Highly recommend , showed up next day for a minor repair on my air conditioning unit. Receptionist answered the phone " no leave me a message I'll call you back crap like other places" I will definitely be using them again. Also look at there website they do numerous other things. Thanks againResponse from the ownerWe truly appreciate you taking the time to leave a great review Chris! Shani CahillShani Cahill ★★★★★ Preston called me and went over everything with me. He was great.Response from the ownerWe appreciate the great review for our tech Shani! JANICE PIERPOINTJANICE PIERPOINT ★★★★★ Prompt and very professionalResponse from the ownerThank you for the great review Janice! js_loader

FAQ About Reverse Osmosis Systems

Welcome to our FAQ on reverse osmosis water systems! Here, you’ll find essential information on water filtration, treatment, and softening to help you ensure your home’s water is clean, safe, and pleasant to use. Whether you’re looking to install a new system or simply want to understand how to maintain your current setup, our answers aim to guide you through every step of the process.

Q: How often do I need to change my RO filters?

A: Most RO filters should be replaced every 6 to 12 months, while the RO membrane lasts 2 to 5 years depending on water quality and usage.

Q: Can an RO system remove fluoride from water?

A: Yes, reverse osmosis removes up to 95% of fluoride, making it one of the most effective filtration methods for fluoride reduction.

Q: Will an RO system waste a lot of water?

A: RO systems produce some wastewater as part of the filtration process, but modern high-efficiency RO units minimize water waste by using advanced recovery technology.

Q: Is reverse osmosis water safe for infants and pets?

A: Yes! RO water is free from contaminants, making it safe for babies, pets, and anyone with sensitive health conditions.

Q: Can I install an RO system myself?

A: While DIY installation is possible, professional installation ensures optimal performance, leak prevention, and warranty protection.

Q: Does an RO system remove beneficial minerals from water?

A: Yes, an RO system removes both harmful contaminants and some beneficial minerals. If you prefer remineralized water, you can add a remineralization filter to restore essential minerals like calcium and magnesium.

BOOK ONLINE

NEED PROFESSIONAL SERVICE FOR YOUR HOME?

PLEASE NOTE: If you are a renter, please have your landlord/owner contact us directly to schedule service. We can only work with property owners.

FREE IN-HOME WATER TEST

Enter your contact information. Our Water Specialist will contact you within 24 hours to schedule your water test.

DUCT CLEANING
APPOINTMENT

HVAC customer service in Newark, Ohio | Dor-Mar Heating & Air Conditioning