Logo of Search a Plumber
Plumber installing a water filtration system under a kitchen sink with pipes and cleaning supplies nearby.

Find the Best Water Treatment Installation Companies for Your Business

No obligation • Fast responses • Nationwide coverage

Search providers near you

Top Water Treatment Installation Companies in Allentown, Pennsylvania Ranked

Living in Allentown means dealing with the reality of very hard water. This guide is designed to help you understand your local water quality, explore effective treatment options like water softeners and filtration systems, and connect with qualified professionals who can provide a solution tailored to your home. Whether you're tired of spotty dishes, scale-clogged appliances, or dry skin, finding the right water treatment system can protect your plumbing, improve your daily life, and increase the efficiency of your water-using appliances.

Understanding Allentown's Hard Water Challenge

The primary water quality issue for Allentown homeowners is hardness. The city's water supply, drawn from sources interacting with the region's abundant limestone bedrock, is classified as "very hard." Measurements typically range from 15 to 17 grains per gallon (gpg) of hardness minerals, primarily calcium and magnesium 1 2.

This isn't just a minor nuisance. When heated or evaporates, these dissolved minerals form a hard, chalky scale. You'll see it as white spots on glassware and shower doors, but the real damage occurs inside your pipes, water heater, dishwasher, and washing machine. Scale buildup acts as an insulator, forcing your water heater to work harder and use more energy. It can also restrict water flow in pipes and valves, leading to reduced water pressure and premature appliance failure. For your skin and hair, hard water can prevent soaps from lathering fully, leaving a filmy residue that contributes to dryness and irritation.

Core Solutions: Softening vs. Filtration

It's important to distinguish between the two main components of water treatment, as they address different problems.

Water Softening specifically targets the calcium and magnesium ions that cause hardness. A water softener uses a process called ion exchange. As hard water flows through a tank filled with resin beads, the beads swap their sodium or potassium ions for the calcium and magnesium ions. This "softens" the water, eliminating the mineral content responsible for scale. Periodically, the system regenerates by flushing a brine (saltwater) solution through the resin, recharging the beads and flushing the accumulated minerals to drain.

Water Filtration is a broader category that removes other specific contaminants, such as sediment, chlorine taste and odor, heavy metals, or chemicals. A filtration system might use activated carbon, reverse osmosis membranes, or other media. In Allentown, many homeowners opt for a hybrid system that combines a water softener with an additional filtration stage. This provides comprehensive treatment: the softener handles hardness, while the filter addresses other aesthetic or health-related concerns for cleaner, better-tasting water from every tap 3.

Choosing the Right System for Your Allentown Home

Selecting a system isn't one-size-fits-all. The right choice depends on your household's specific water usage, quality test results, and goals.

Types of Water Softeners

  • Salt-Based Ion Exchange Softeners: The most common and effective type for Allentown's level of hardness. They provide a reliable supply of truly soft water. Modern high-efficiency models are designed to use less salt and water during the regeneration cycle, saving on operating costs 4 5.
  • Salt-Free Conditioners: These systems don't remove hardness minerals but alter their structure to prevent scaling. They are better suited for moderately hard water and may not be sufficient for Allentown's "very hard" conditions, though they are a popular option for those avoiding salt.
  • Dual-Tank or On-Demand Systems: Ideal for larger households, these systems ensure a continuous supply of soft water, even during the regeneration cycle of one tank.

The Critical Step: Professional Water Testing

Before any equipment is chosen, a professional water test is essential. While hardness is the known issue, your specific water may also contain iron, manganese, or other elements that can affect system performance and longevity. A local expert will test for these to recommend a system that can handle Allentown's base hardness plus any secondary contaminants.

Proper System Sizing

Sizing a water softener is based on your household's daily water usage and the measured hardness. Capacity is measured in "grains," representing how many hardness grains the system can remove before needing to regenerate. An undersized unit will run out of capacity too quickly, while an oversized one is inefficient. A common guideline is to calculate your daily grain removal need (people in household x gallons used per person x grains per gallon of hardness). Professionals use this calculation to recommend a correctly sized unit, such as a 48,000-grain or 64,000-grain model 6.

Find the perfect water treatment installation companies for your needs

Get personalized recommendations and expert advice

The Professional Installation Process

A proper installation by a licensed plumber is key to system performance, warranty protection, and code compliance. The process typically involves:

  1. Final Assessment & Location: The installer will confirm the best location for the softener and brine tank, usually near the main water line entry point and a drain.
  2. Bypass & Connection: Your home's main water supply is temporarily bypassed. The softener is plumbed into the line, ensuring it treats all the water entering your home (though outdoor faucets are often excluded).
  3. Drain & Brine Line Setup: A dedicated drain line is connected for the regeneration discharge, and the brine tank is set up and filled with salt or potassium chloride.
  4. Programming & Startup: The control valve is programmed based on your water test results and household size. The system is then cycled, and all connections are checked for leaks.
  5. Owner Education: A reputable installer will walk you through system operation, maintenance tasks, and answer any questions 7.

Investment and Ongoing Maintenance

The total cost for a water softener or filtration system in Allentown includes equipment and professional installation. For a standard salt-based ion exchange softener adequately sized for a typical home, you can expect an investment ranging from $1,000 to $3,000 or more 8 9 10. Advanced hybrid systems with additional filtration or high-efficiency features will be at the higher end of this range or above.

Ongoing maintenance is straightforward but necessary:

  • Salt Replenishment: You'll need to add bags of salt or potassium pellets to the brine tank every 1-2 months, depending on usage.
  • Annual Check-Up: Having a professional inspect the system annually can prevent small issues from becoming big problems. They will check the resin bed, clean the brine tank, and verify controller settings.
  • Periodic Parts Replacement: Resin beads may need replacement every 10-15 years, and control valves or other components may eventually wear out.

Finding Local Expertise in Allentown

When seeking service, look for established local plumbing companies with specific experience in water treatment. Providers like Mastery Plumbing and Maitz Home Services, for example, highlight water softener services for the Allentown area, offering the full spectrum from testing and consultation to installation and maintenance. A qualified local pro will understand the specific challenges of Allentown's water and can provide reliable, long-term support for your system.

Frequently asked questions

Sources

Footnotes

  1. Allentown Water Quality Report: Hardness & Contaminants Exposed - https://www.softprowatersystems.com/pages/allentown-pa-water-quality-report-contaminants-hardness

  2. How Water Treatment Systems in Lancaster, PA, Protect Your Health | Groff's Heating AC & Plumbing - https://www.groffs.com/blog/how-water-treatment-systems-in-lancaster-pa-protect-your-health/

  3. How to Choose a Water Softener for Your Home | Step-by-Step Guide - https://homewater101.com/articles/find-water-softening-solution

  4. Purchasing and Maintaining A Water Softener | Department of Energy - https://www.energy.gov/energysaver/purchasing-and-maintaining-water-softener

  5. Best Water Softener Systems of 2026 - Water Filter Guru - https://waterfilterguru.com/best-water-softener-reviews/

  6. What Size Water Softener Do I Need? - Culligan - https://www.culligan.com/blog/what-size-water-softener-do-i-need

  7. Water Softener Comparison Guide: Best Option Jan, 2026 - https://www.softprowatersystems.com/pages/water-softener-comparison-guide-dominates

  8. Water Softener Installation in Allentown - Mastery Plumbing - https://www.masteryplumbing.com/plumbing-services/water-softeners/

  9. Water Softener System Installation & Repair in Allentown, PA - https://www.maitzhomeservices.com/plumbing/water-softeners/

  10. How Much to Install a Water Softener: Comprehensive Cost Guide - https://www.benjaminfranklinplumbing.com/league-city/blog/2025/march/how-much-to-install-a-water-softener-comprehensive-cost-guide/