How Much Does an Aquasana Whole House Water Filter Cost? Aquasana Rhino whole-house water filtration systems treat the main water supply before it reaches showers, faucets, laundry equipment, water heaters, toilets, and kitchen appliances. How Much Does an Aquasana Whole House Water Filter Cost? Water source, treatment media, gallons-per-minute capacity, optional UV treatment, scale-control equipment, main-line pipe material, service clearance, and local labor rates shape the final invoice. It includes UV treatment and carries a stated capacity of 500,000 gallons or five years.