-
Water Dispenser For Commercial UsePOLYGON Water Dispenser for Commercial Use is engineered to deliver an unlimited supply of refreshing, direct drinking water and hot water for places with high foot traffic and concentrated demand.
-
Pipeline MachineThe POLYGON Pipeline Machine is designed as the perfect terminal companion to the Reverse Osmosis (RO) Water Purifier, providing instant access to both hot and cold purified water directly from your
-
RO Water Purifier MachinePOLYGON's RO Water Purifier Machines represent the pinnacle of point-of-use drinking water purification technology. These systems are engineered to integrate seamlessly with whole-house filtration
-
Whole House Water Pre FilterOur POLYGON Whole House Water Pre Filter series, as detailed in the document, encompasses a comprehensive range of models designed as the primary filtration barrier for your home. This series
-
Central Water PurifierOur POLYGON Central Water Purifier series, designated as the Clean component within our full-scenario water purification ecosystem, is engineered to elevate the quality of all water used throughout
-
Soft Water MachineOur POLYGON Soft Water Machine series, designated as the Soft component within our full-scenario water purification ecosystem, is expertly engineered to transform hard water into soft, scale-free
What is whole house water filter system?
A Whole House Water Filter System, also referred to as a Point-of-Entry (POE) system,
is an integrated water purification solution installed at the main water line where it enters a residential or commercial property. Its primary function is to treat all the water flowing throughout the entire building, providing filtered water to every tap, shower, and water-using appliance. Unlike point-of-use filters (e.g., under-sink or countertop filters) that only treat water at a single location, a whole house system ensures comprehensive protection. It typically forms a multi-stage treatment train, which may include components like a Front Filter( whole house water pre filter) , a Central Water Purifier , and a Central Water Softener (soft water machine), working in sequence to address different water quality issues such as sediment, chlorine, odors, rust, and hardness.
The Category of Whole house water filter system
Front Filter / Pre-filter/ Whole House Water Pre Filter:
This is the first line of defense. It uses stainless steel filter screens to remove large particles like sediment, rust, and suspended solids. They are essential for protecting downstream appliances.
Central Water Purifier:
This is the core purification unit. It employs advanced filtration media, including KDFand coconut shell high-grade activated carbon, to effectively reduce residual chlorine, odors, colors, heavy metals (like lead, mercury), and inhibit bacterial growth for the entire household supply.
Central Water Softener (Soft Water Machine):
This unit specifically targets water hardness. It uses ion-exchange technology to remove calcium and magnesium ions, preventing scale buildup.
RO Water Purifier Machine:
High-precision multi-stage filtration system for direct drinking water.
RO Machine Filter:
Easy-to-replace cartridges ensuring efficient purification performance.
Pipeline Machine:
Instant heating/cooling water dispenser connected to RO systems.
RO Machine Commercial:
Large-capacity reverse osmosis systems for commercial water supply.
Integrated Solution Packages:
Healthy Home: Front Filter + Central Purifier
Charming Home: a Softener
Perfect Home: a comprehensive combination
Product Advantages
Provides filtered water to every water outlet in the house, safeguarding plumbing, faucets, showers, and all major appliances (water heaters, washing machines, dishwashers) from sediment and scale.
Removes chlorine, its by-products, and other contaminants from shower water (where skin and lungs can absorb vapors) and provides cleaner water for bathing and cooking.
The modular design allows for a customized multi-barrier approach, combining mechanical filtration, chemical reduction (KDF), adsorption (carbon), and ion exchange for broad-spectrum contaminant reduction.
Engineered with large-capacity filter housings and high-flow components to ensure an adequate water supply throughout the home, even when multiple faucets are used simultaneously, with minimal loss of water pressure.
Protects expensive appliances, potentially extending their lifespan and reducing repair costs. It is more convenient and cost-effective than installing individual point-of-use filters on every tap.
Application
POLYGON Whole House Water Filter Systems are suitable for a wide range of scenarios where comprehensive water quality improvement is desired
Single-Family Homes and Villas
Ideal for providing complete water treatment for all domestic uses.
Apartments and Condominiums
Can be installed at the entry point of the unit to ensure high-quality water for the entire household.
Commercial Establishments
Such as hotels, restaurants, spas, and laundromats, where water quality directly impacts customer experience, linen quality, and equipment maintenance.
Offices and Small-Scale Industries
To protect equipment and provide better water for facilities.
FAQ
Q1: What is the difference between a whole house system and an under-sink water filter?
-
A: An under-sink filter is a Point-of-Use (POU) system that only filters water at one specific tap, typically the kitchen faucet for drinking and cooking. A whole house system (POE) filters all the water entering your home, protecting appliances, bathrooms, and laundry, in addition to providing filtered water for drinking if connected to a final drinking water purifier.
Q2: Where should a whole house water filter be installed?
-
A: It should be installed on the main water supply line, usually after the main shut-off valve and before the water heater. It requires a location that is protected from freezing, has adequate drainage for the softener's regeneration (if included) and filter backwashing, and is easily accessible for maintenance.
Q3: How often do the filters need to be replaced?
-
A: The replacement frequency depends on your water quality and usage. The stainless steel screen in the pre-filter can often be backwashed and reused. The filter media in the central purifier (like the composite filter cartridge) typically needs replacement every 6-12 months, while the softener's resin can last for many years. The system's control head will often provide reminders.
Q4: Does the Central Water Softener make the water safe to drink?
-
A: No, the primary function of a water softener is to remove hardness minerals (calcium and magnesium). It does not remove microbial contaminants, chemicals, or other pollutants. For drinking water, it is recommended to install an additional Point-of-Use reverse osmosis (RO) system or an ultrafiltration (UF) drinking water purifier after the whole-house system for final polishing.
Q5: Will the system reduce water pressure in my home?
-
A: A properly sized POLYGON whole house system is designed to have a minimal impact on water pressure. Models are selected based on the home's typical flow rate requirements. The pre-filter and central purifier are engineered for high flow, and any minor pressure drop is usually imperceptible and outweighed by the benefits.
Certification
Akan Enterprise Group Co., Ltd. was founded in 2000 which is one of the first providers of comfortable home system solutions in China that integrates production, research and development, and sales. Our products cover areas such as building water supply, drainage, heating, fresh air, water purification, waterproofing, HVAC energy transmission and distribution and have obtained professional certifications in many countries.
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Our Factory
- We have built 7 major production bases in Shanghai, Henan, Hunan, Tianjin, Zhejiang, Chongqing and Guangdong which cover a total area of 1.7 million square meters.
- Our digital Intelligent Factories use renowned technology (KraussMaffei\ Maillefer) product linke, fully automatic production robot, automated production scheduling and MES sytem to improve production efficiency.
- 4 National-level CNAS laboratories strictly follow the three-inspection system (self-inspection, mutual inspection, and dedicated inspection) from raw materials to finished products to ensure product quality.






Production






Cases




We are one of the most reliable whole house water filter system manufacturers and suppliers in China. Please feel free to buy high quality whole house water filter system made in China here from our factory. We also accept customized orders.
whole home water filtration and softener system, full water filtration system, whole house ro system






