Latest Offers 
A 20" whole home water filtration system helps improve the quality of the water flowing through your entire home. From the kitchen sink to the shower and laundry, it works quietly in the background to help reduce sediment and impurities.
For a limited time, you can save $300* on a 20" two stage whole home filtration system, now $1,995 installed.
Whole home filtration can help improve the feel of water on skin and hair, protect fixtures and appliances from sediment buildup and support clearer, better tasting water throughout the house. Once installed, it becomes a low visibility, everyday upgrade that your whole household can benefit from.
If you want a simple, long term solution to improve water quality across your home, a whole home filtration system is a practical choice. Our team will install it neatly and talk you through how it works and when to change filters.
*Terms and conditions apply. Excludes Waikato.
Whole Home 20" Filtration - Save $300
Cleaner water from every tap
A 20" whole home water filtration system helps improve the quality of the water flowing through your entire home. From the kitchen sink to the shower and laundry, it works quietly in the background to help reduce sediment and impurities.
For a limited time, you can save $300* on a 20" two stage whole home filtration system, now $1,995 installed.
Benefits of whole home filtration
Whole home filtration can help improve the feel of water on skin and hair, protect fixtures and appliances from sediment buildup and support clearer, better tasting water throughout the house. Once installed, it becomes a low visibility, everyday upgrade that your whole household can benefit from.
A great upgrade for busy households
If you want a simple, long term solution to improve water quality across your home, a whole home filtration system is a practical choice. Our team will install it neatly and talk you through how it works and when to change filters.
*Terms and conditions apply. Excludes Waikato.
Enquire now
Terms and conditions
- The promotion commences on Monday 8th December 2025 and ends Sunday 18th January 2026.
- Eligible for any domestic household that completes a sales agreement with HRV for a 20" 2 stage water filtration system WAT SYS AFHK TJWI and pays a deposit by midnight Sunday 1st February 2026.
- Promotional price includes standard installation and GST.
- Pricing:
- WAT SYS AFHK TJWI Was $2,295 Now $1,995 Save $300
- Standard installation includes:
- Standard plumbing fittings.
- Up to 5 metres of pipe.
- 2x isolation valves.
- Labour charge based on no additions.
- Excludes commercial installations or new homes under construction.
- This promotion cannot be used in conjunction with any other promotion or discount on the same product.
- Excludes commercial deals and homes under construction.
- Excludes the Waikato region.
- HRV reserves the right to alter, modify or update the terms and conditions of this promotion.
- By entering the promotion, you agree to be contacted by HRV NZ Limited for any promotional purposes.
- By entering this promotion, you acknowledge that HRV will use and disclose your personal information in accordance with the HRV privacy statement available at hrv.co.nz/privacy-policy.