Average Hourly Cost: The average cost of installing a water filtration system by a plumber is typically around $90 to $150 per hour.

Cost Breakdown: The cost of installing a water filtration system includes the cost of the filter itself, labor costs, and any additional parts or materials needed. The cost of the filter itself can range from $50 to $500 or more, depending on the type and quality of the filter. Labor costs can range from $50 to $100 per hour, depending on the complexity of the job. Additional parts or materials may be needed, such as piping, fittings, or sealants, and these can add up to an additional $50 to $100 or more.

Factors Affecting Cost: Several factors can affect the cost of installing a water filtration system, such as the type and quality of the filter, the complexity of the job, and the location and service provider. Higher quality filters will cost more, while more complex jobs may require more time and labor and therefore be more expensive. Location can also affect the cost, as some plumbers may charge more depending on the area they are servicing. Additionally, the experience and reputation of the service provider can also affect the cost, as more experienced plumbers may charge more for their services.