- HEP Plumbing
- Tankless Water Heater

Tankless Water Heater
Tankless Water Heater | Tankless Water Heater Install | Plumbing | Sparta
Imagine stepping into a shower that never runs cold, even when the washer and dishwasher are running full tilt. That’s the everyday luxury HEP brings to Sparta homeowners with a professional tankless water heater install service. Our certified plumbers replace bulky, outdated tanks with sleek, on-demand units that free up space, cut energy bills, and deliver an endless stream of perfectly heated water the instant you turn the tap.
From the first call to the final test run, we handle every detail—sizing, venting, gas or electric connections, and clean-up—so you can enjoy hassle-free hot water for years. Backed by up-front pricing and a rock-solid satisfaction guarantee, HEP makes it easy to schedule your tankless water heater install and start experiencing efficiency that never runs out of steam.
FAQs
Why should I choose a tankless water heater over a traditional storage tank for my Sparta home?
Tankless units heat water on demand, eliminating standby heat loss and providing an endless supply of hot water. They are up to 30% more energy-efficient than standard tanks, last 20+ years (about twice as long as a tank), free up floor space, and qualify for federal and New Jersey energy-efficiency rebates. Although the upfront cost is higher, most Sparta homeowners see lower monthly utility bills that offset the investment within a few years.
How long does a typical tankless water heater installation take?
A straightforward replacement of an existing tank with a tankless unit usually takes 4–6 hours. If we need to upsize gas lines, run a new vent, or relocate the heater, the job can extend to a full day. During our free on-site evaluation in Sparta, we’ll let you know exactly what is required and provide a clear timeline so you’re never without hot water longer than necessary.
What does a tankless installation cost in the Sparta area and what factors affect the price?
Installed prices generally range from $3,300 to $5,500. The final cost depends on the size of the unit (measured in gallons per minute), whether it’s gas or electric, the need for larger gas lines or upgraded electrical circuits, venting requirements, and any local permit fees. We provide fixed, written quotes that outline every line item, and we help customers apply for available rebates that can lower out-of-pocket costs by $300–$600.
Will my home’s existing gas, water, or venting systems need to be upgraded?
Possibly. High-output gas tankless heaters often require a ¾-inch gas line and dedicated stainless steel or PVC venting. Older Sparta homes built with ½-inch gas lines or single-wall vents might need modifications to meet code and ensure safe operation. During your consultation we’ll measure gas pressure, inspect vent paths, and check water hardness to determine whether any upgrades are necessary. All work we perform meets or exceeds New Jersey plumbing and mechanical codes.
Do I need a permit for a tankless water heater installation in Sparta?
Yes. The Township of Sparta requires mechanical and plumbing permits for water heater replacements. We handle all permitting, schedule the inspections, and provide you with the final sign-off documents. Permit fees are included in our quote so there are no surprises, and the inspection typically occurs the same or next business day after the installation.
How do I maintain my new tankless unit and what kind of warranty do you provide?
Annual maintenance mainly involves flushing the heat exchanger with a vinegar or descaling solution to remove mineral buildup, checking the in-line screen filter, and verifying combustion settings. We offer an affordable yearly service plan or can show you how to perform the flush yourself. Most major manufacturers provide a 12-year heat-exchanger warranty, 5 years on parts, and 1 year on labor; we extend labor coverage to 3 years at no extra cost for Sparta residents who choose our service plan.