Plumbing & Water Systems

Tankless
Water Heaters
Installed Right

Endless hot water, lower energy bills, and no bulky tank taking up space. We size, install, and service tankless water heaters throughout South-Central PA.

Call 717-229-7144 Get a Free Quote

Tankless Advantages

Endless Hot WaterNever run out mid-shower

Up to 30% More EfficientLower monthly energy bills

20+ Year LifespanTwice as long as tank units

Space SavingCompact, wall-mounted unit

What's Included

A Complete Tankless
Install From Start to Finish

Switching to tankless isn't just swapping a unit — it requires proper sizing, venting, and gas or electrical work. We handle every detail.

Home Demand AssessmentWe calculate your peak hot water demand to select the correctly sized unit for your household.
Gas Line & Venting SetupProper gas supply and code-compliant venting are critical — we do it right the first time.
Unit Installation & MountingClean, professional wall-mount installation with all connections properly sealed and secured.
System Programming & TestingWe configure your temperature settings and run full flow tests before we leave.
Old Unit Removal & Haul-AwayYour old tank or unit is removed and disposed of — no mess, no hassle.
Maintenance Walk-ThroughWe show you how to flush and maintain your tankless unit to maximize its 20+ year lifespan.

Why Keystone?

The Right Install
Makes All the Difference

A tankless unit installed incorrectly will underperform, scale up quickly, and fail early. We do it right.

Proper Sizing

We calculate your exact flow rate needs — an undersized unit is the #1 cause of tankless disappointment.

Code-Compliant Venting

Improper venting is a safety hazard. We follow all PA codes and manufacturer specs, every time.

All Brands Stocked

Navien, Rinnai, Rheem, Bosch — we work with the best brands and help you choose the right one.

Same-Day Available

Many installs can be completed same-day — call in the morning and have hot water by evening.

Clean Installation

Neat pipe runs, proper fittings, no shortcuts. An install you'll be proud to show your plumber friends.

Local & Accountable

We stand behind our work. If something isn't right after install, we make it right — no runaround.

Common Questions

Tankless Water Heater FAQ

Everything you need to know before making the switch.

Yes — when properly sized. The key is matching the unit's flow rate (measured in GPM) to your peak demand. A family of 4 running two showers simultaneously needs a different unit than a couple using one. We always size correctly before recommending a unit.

Most homeowners save 20–30% on water heating costs compared to a traditional tank unit. The exact savings depend on your usage patterns, the unit you choose, and current energy prices. Over a 20-year lifespan the savings are significant.

Sometimes. Tankless gas units require a higher BTU input than tank heaters, which may require a larger gas line. We assess your existing gas supply as part of the installation quote so there are no surprise costs.

With proper maintenance, most tankless water heaters last 20 years or more — roughly twice the lifespan of a traditional tank unit. Annual flushing and descaling is the main maintenance task, and we can walk you through that process.

Yes. Whole-home tankless units serve your entire house from one location. Point-of-use units are smaller and installed right where hot water is needed — great for a distant bathroom or a garage sink. We'll recommend the right approach for your home layout.

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