COWAY USA RENTAL · TEXAS
Coway Water & Air Purifier Rental in Texas
An essential choice for those who want to protect a healthy home from an unclean environment—discover Coway products, always backed by Coway’s experience and technology.
Everything's bigger in Texas, including the air and water worries.
Some of the nation's worst smog, a winter allergy season no other state gets, and the memory of a freeze that cut off tap water for millions. Here is why Texas households take a closer look at air and water purifiers, based on public data.
Updated September 2026 · Sources listed belowTexas by the numbers
From the American Lung Association, NCTCOG, published research and local reporting
- Houston ozone (smog)6th worst
- Dallas–Fort Worth ozone9th worst · F grade
- Brownsville year-round particles2nd worst
- Houston year-round particles8th worst
ALA "State of the Air" 2026, based on 2022–2024 monitoring data
Up from 74 ppb at the start of the season, with the highest reading at the Frisco monitor. North Central Texas remains in non-attainment for ozone.
Power loss shut down treatment plants and frozen pipes burst, triggering boil-water notices in Houston, Fort Worth, Arlington and beyond. Texas averaged about 39 notices a week before the storm; that week alone saw 2,055.
From mid-December to mid-February, "cedar fever" hits Central Texas in the middle of winter, when most of the country gets a break from pollen.
Where you live changes what matters
Texas is big. The problems change from city to city.
Dallas–Fort WorthCarrollton, Plano, Frisco, Arlington
Collin, Dallas, Denton and Tarrant counties all received F grades for ozone. The metro ranks 9th worst in the nation for smog.
HoustonSugar Land, Katy, Spring Branch
6th worst for ozone and 8th worst for year-round particles, high on both lists. The entire city was under a boil-water notice during the 2021 freeze.
Austin · San AntonioRound Rock, Cedar Park, San Antonio
The heart of cedar fever country. Parts of Austin and San Antonio also had boil-water notices during the freeze. Areas drawing on limestone aquifers tend toward hard water.
El Paso · Rio Grande ValleyEl Paso, Brownsville, McAllen
El Paso is 16th worst for ozone; Brownsville and McAllen rank 2nd and 17th worst for year-round particles.
A year in Texas air and water
Cedar and freezes in winter, smog and hurricanes from spring through fall.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cedar (juniper) pollen | ||||||||||||
| Spring pollen | ||||||||||||
| Ozone season | ||||||||||||
| Hurricane season | ||||||||||||
| Freeze risk |
Typical patterns only; they vary by region and year. Ozone season shown is North Texas (March 1 to November 30).
Fine on a normal day. Is that enough?
Tap water in big cities like Dallas, Houston and Austin mostly meets standards. But Texas water has two wild cards: boil water notices that come with main breaks and power outages, and arsenic that occurs naturally in groundwater in parts of the state.
UT Austin's Bureau of Economic Geology points to the southern High Plains (around Lubbock), the southern Gulf Coast, West Texas (around El Paso) and the Trinity aquifer as groundwater arsenic hotspots. Big-city surface water systems are less affected, but if your home is on groundwater or a private well, check your water report.
Utility reports list reverse osmosis (RO) among the technologies for reducing arsenic. An RO purifier at the one tap you drink from lets you manage everyday taste and quality. Check each model's certifications on its product page.
During a boil water notice, boil your purifier's water too or use bottled water. Once the notice lifts, flush your lines and check your filter; rental customers get this covered with regular filter service. And for the air side: HEPA filters capture particles like pollen and fine dust, but ozone is a gas and HEPA filters don't remove it.
Check your own water in 3 minutes
Get ahead of cedar season with the right purifier for your area.
- American Lung Association, State of the Air 2026 Texas release
- Dallas Morning News, Texas metros in State of the Air 2026
- NCTCOG, current DFW ozone design value (2026)
- Winter Storm Uri drinking water disruption study (NSF PAR)
- NPR, boil-water notices during the 2021 winter storm
- Texas Public Radio, cedar fever and Ashe juniper in Austin
- UT Austin Bureau of Economic Geology, groundwater arsenic in Texas (2019) · Arsenic MCL and MCLG (LADWP report) · Arsenic treatment technologies, including RO
Coway focuses on your home well-being
Coway is committed to your home’s well-being through premium products and services, modern design, and cutting-edge technology. Experience our solutions for a healthier lifestyle, including water purifiers, air purifiers, bidets, water softeners, and massage chairs.
Premium Air Purifier
Have you ever thought about the quality of the air in your home—the air you live with 24 hours a day, from morning to night? Coway air purifiers keep your indoor air clean by removing ultra-fine dust as well as odors. We provide the best products and services through regular filter maintenance visits every six months or convenient self-care with filter delivery.
Premium RO-Membrain Water Purifier
Start your day with a refreshing glass of clean water from Coway. Our RO filtration system, verified by certified institutions, delivers trusted performance. It removes harmful substances such as viruses and heavy metals, while the Inno Filter enhances the taste, making your water richer and more enjoyable.
Free Delivery and Installation! Heart Service
From friendly consultation to ongoing care, experience Coway’s dedicated service focused on your complete satisfaction. Enjoy free delivery and installation, warranty coverage throughout your contract period, and most importantly, regular maintenance such as complimentary filter replacements and cleaning—so you can count on Coway’s clean and reliable service every step of the way.
Business Office, Restaurant and Home
Coway products help keep every space in your daily life clean and healthy. From workplaces where you spend most of your time to homes where children stay throughout the day, Coway solutions are designed to provide cleaner, healthier environments wherever you are.
Backed by facts, not fiction
Coway operates one of the largest R&D centers in the industry, ensuring that its water filters, air filters, and home wellness appliances are developed based on scientific evidence—not assumptions. With a leading research team and rigorous testing processes, Coway puts your family’s health and well-being first.
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Coway Texas Service Areas
Water purifiers, air purifiers, bidets, and water softeners — all available
| Region | Cities |
|---|---|
| Dallas & North Suburbs | Dallas / Carrollton / Plano / Richardson / Frisco / Allen / McKinney / Garland / Irving / Lewisville / Wylie / Rockwall |
| South Dallas | Duncanville / Lancaster / Hutchins |
| Northeast Texas | Greenville / Terrell / Royse City / Celeste / Whitewright / Point / Powell / Doddy City |
| Houston Area | Houston / Sugar Land / Katy / Fulshear |
| Central Texas | Austin / San Antonio / Helotes |
Don't see your city? Many surrounding areas are also covered. Call or message us to confirm.
* Service availability may change depending on local Coway branch coverage.
