RainSoft

What RainSoft does

RainSoft is a U.S.-based manufacturer of residential and commercial water treatment and air purification systems, founded in 1953 and currently operating as a brand under parent ownership (sources differ between Aquion, Inc. and Pentair). Its product portfolio is built around four technology pillars: ion-exchange water conditioning (EC4, EC5, TC Series), reverse osmosis and carbon-block drinking water purification (Ultrefiner II, Hydrefiner II), problem-water filtration (HYSULEX/Super HYSULEX carbon, EC4 OxyTech, RCUV ultraviolet disinfection), and air/laundry treatment (Airmaster Ultra UV-ozone, CleanStart ozone laundry). Products are assembled at an ISO 9001-certified U.S. manufacturing facility and protected by more than 75 U.S. and international patents, with third-party certifications including WQA Gold Seal, NSF/ANSI 58, NSF/ANSI 372, and California Department of Public Health approvals.

The company's go-to-market is exclusively channel-based: RainSoft sells 100% through a network of authorized independent dealers who perform free in-home water testing, professional installation by licensed contractors, and ongoing maintenance. The Corpus Christi market is served by Texas Environmental Solutions, LLC, an authorized dealer operating from 3818 Wow Rd Unit C, while the manufacturer's own facility is located in the Midwest. Distribution extends to over 20 countries internationally, and RainSoft reports more than 1.15 million cumulative customers served across the network.

RainSoft generates revenue through four primary streams: one-time equipment sales (water conditioning, drinking water, air purification, and laundry systems), professional installation and service fees, recurring replacement filters and consumables (UV lamps, salt, carbon cartridges), and warranty-backed maintenance contracts. The EC5 product line introduces wireless app-based monitoring (iOS/Android) for remote salt alerts and service scheduling. Primary customers are residential homeowners; commercial and institutional buyers (hotels, hospitals, factories) form a secondary segment, with Hilton and Marriott cited as historical commercial references for the CleanStart laundry technology.

Name

RainSoft

Legal name

TEXAS ENVIRONMENTAL SOLUTIONS, LLC

Website

https://rainsoftofcorpuschristi.com

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

11–50 employees

Short description

RainSoft, founded in 1953, is a U.S. manufacturer of residential and commercial water treatment and air purification systems, selling exclusively through an authorized independent dealer network across 20+ countries.

Ownership category

akta.pro rank

Product category

Water Treatment Systems

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)

akta.pro primary industry

Whole-House (Point-of-Entry) Water Treatment Systems (CRAJAJAE)

akta.pro secondary industries

Under-Sink Water Filtration Systems (CRAJAJAD), Replacement Filter Cartridges & Consumables (CRAJAJAH), Water Softener, Filtration & Treatment System Installation (HSAOAAAH)

Keywords

• Water treatment systems
• Water softeners
• Drinking water filtration
• Air purification systems
• Problem water filtration

Headquarters

HQ city

Corpus Christi

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Water Treatment Equipment Sales: Sale of water softening, conditioning, and filtration systems including whole-house systems, drinking water systems, and problem-solving filters. Products include EC4, EC5, TC Series water conditioners, Ultrefiner II, Hydrefiner II, and specialty filtration systems.
2. Air Purification Equipment Sales: Sale of whole-house air purification products including Airmaster Ultra UV/ozone systems and CleanStart ozone laundry systems for residential use.
3. Professional Services: Factory-trained service technicians provide installation, annual maintenance, professional water testing, and repair services for RainSoft systems. Performed by licensed contractors.
4. Replacement Filters and Parts: Ongoing revenue from replacement filters, UV/ozone lamps, and other consumable parts required for system maintenance.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

RainSoft manufactures and distributes whole-house water conditioning systems (EC4, EC5, TC Series), reverse osmosis and carbon block drinking water systems (Ultrefiner II, Hydrefiner II), problem-solving filters (HYSULEX carbon filtration, EC4 OxyTech, RCUV ultraviolet disinfection), whole-house air purification (Airmaster Ultra UV/ozone), and the CleanStart ozone laundry system. Products are sold exclusively through authorized independent dealers who provide in-home water testing, professional installation, annual maintenance, repair services, and replacement filters and parts.

Product overview

RainSoft is a water treatment and air purification company offering a portfolio of standalone physical systems for residential and commercial applications. The product lineup centers on water conditioning systems (EC5, EC4 Series, EC4-CAB, TC Series) that use ion exchange technology to soften water, supplemented by drinking water purifiers (Ultrefiner II, Hydrefiner II) using reverse osmosis and carbon block filtration. Problem-solving filtration products include carbon filtration systems, the EC4 OxyTech for iron/manganese/sulfur removal, and RCUV ultraviolet disinfection. Air treatment is handled by the Airmaster Ultra UV/ozone air purifier, while the CleanStart laundry system uses ozone technology. These are independent physical systems with no platform architecture or software integrations.

Differentiator

Problem solved

Functional benefit

Brands

• EC5 Water Conditioning System: Next generation water conditioning system with RainSoft Remind wireless app monitoring for smart home water management.
• EC4 Series Water Conditioners
• EC4-CAB Water Conditioning System
• TC Series Water Conditioning Systems
• Ultrefiner II
• Hydrefiner II
• Whole-House Carbon Filtration System
• EC4 OxyTech
• RCUV Ultraviolet Water Disinfection System
• Airmaster Ultra
• CleanStart

Products and services

• EC5 Water Conditioning System Next-generation water conditioning system with RainSoft Remind wireless app monitoring, allowing remote system status, low salt alerts, service reminders, and scheduling from iOS and Android devices for residential homeowners.
• EC4 Series Water Conditioners Premium computer-controlled water conditioners with a smart microprocessor that tracks water usage and regenerates based on actual household consumption, featuring a self-cleaning control valve and limited lifetime warranty for residential homeowners.
• EC4-CAB Water Conditioning System EC4-based water conditioning system that softens, filters, reduces ferrous iron, clarifies, and polishes water, with LCD display, power outage recovery, and optional carbon bed for additional polishing, certified by the California Department of Public Health.
• TC Series Water Conditioning Systems Whole-house water conditioners with electronic timer programming, self-cleaning control valve, high flow rates, energy-efficient 24-volt electrical system, fail-safe tank-within-a-tank construction, and battery backup for homes.
• Ultrefiner II Multi-Stage Drinking Water System Three-stage reverse osmosis drinking water purifier with carbon block sediment pre-filter, membrane cartridge, and carbon block sediment post-filter, NSF/ANSI 58 certified to reduce lead, chromium, copper, chlorine, and VOCs for residential use.
• Hydrefiner II Drinking Water System Compact under-sink carbon block drinking water filtration system that reduces chlorine tastes and odors and produces up to 830 gallons of filtered water before cartridge replacement, with a limited lifetime warranty for residential kitchens.
• Whole-House Carbon Filtration System Whole-house filtration system using proprietary HYSULEX or Super HYSULEX activated carbon media to reduce aesthetic chlorine taste and odor, with tank-within-a-tank construction and downflow filtration design for residential use.
• Semi-Automatic Whole-House Carbon Filtration System Manual whole-house carbon filtration system using HYSULEX or Super HYSULEX media that requires no electricity, with regeneration triggered manually by turning a dial rather than on an automatic schedule.
• EC4 OxyTech Problem Water Filtration Fully automatic, chemical-free whole-house problem water filtration system that reduces iron, manganese, and hydrogen sulfide through oxygenation and multimedia filtration with a four-mineral blend filter media.
• RCUV Ultraviolet Water Disinfection System Ultraviolet water disinfection system that reduces bacteria, viruses, and waterborne contaminants without chemicals, featuring visual and audible alarms, a 365-day lamp counter, and a stainless steel disinfection chamber.
• Airmaster Ultra Air Purification Whole-house air purification system installed in HVAC ductwork using dual UV and ozone technologies to reduce airborne contaminants and household odors, operating on 47 watts with adjustable ozone output from 0.025 to 0.100 grams per hour.
• CleanStart Laundry System Eco-friendly laundry system using commercial-grade ozone technology to transform cold water into a powerful cleaning agent, eliminating the need for hot water and reducing detergent requirements for residential and light-commercial users.
• Professional Installation, Service, and Free In-Home Water Testing Factory-trained technician services covering installation, annual maintenance, repair, and free in-home water testing performed by licensed contractor authorized RainSoft dealers for residential and commercial customers.
• Replacement Filters, UV/Ozone Lamps, and Consumable Parts Ongoing supply of replacement filters, UV and ozone lamps, and other consumable parts required for maintenance of installed RainSoft water treatment and air purification systems, sold through authorized dealers.

Quantifiable outcome

• CleanStart laundry system eliminates the need for hot water, reducing energy costs
• +3 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Water Quality AssociationcoreStrategic or Co-development PartnerRainSoft is an active member of the Water Quality Association. All RainSoft systems are tested and certified by the Water Quality Association's Gold Seal Program, which ensures stringent contaminant removal and product integrity standards.
• Better Business BureauminorStrategic or Co-development PartnerRainSoft dealer (Texas Environmental Solutions) maintains active membership in the Better Business Bureau, demonstrating commitment to ethical business practices and customer satisfaction.
• PentaircoreOEM/ Whitelabel/ Licensing PartnerPentair is the parent company of RainSoft. RainSoft collects personal information on behalf of Pentair, and the site is hosted by RainSoft on behalf of the parent company relationship.
• Aquion, Inc.coreOEM/ Whitelabel/ Licensing PartnerAquion, Inc. is the parent company of RainSoft. RainSoft products are manufactured by Aquion, Inc., which also owns the RainSoft brand and intellectual property including patents and trademarks.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Market position

Competitive moat5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/RainSoft.HQ

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about RainSoft