"Absolutely will use this company again. Luke and Tony surpassed my expectations with their customer service and completed work. They were extremely fast to respond to my inquiry, speedy with getting me an estimate and scheduled the work immediately. They were extremely kind, knowledgeable and pleasant to work with. They did phenomenal work and really went above and beyond. 10/10 recommend for any plumbing needs."
Endless Hot Water · Rinnai Certified
Tankless Water Heaters in Greenwood, IN
Never run out of hot water again. We install wall-mounted Rinnai units that heat on demand, sip gas, and give you your utility room back.
5.0
(19 reviews)
Licensed & Insured · PC12600020
Open 24 Hours, 7 Days a Week
Senior & Military Discounts
Family-Operated in Greenwood
On-Demand Advantage
Hot Water That Never Taps Out
Third shower of the morning, dishwasher running, laundry going — a properly sized tankless doesn't care.
A tank spends all day keeping water hot whether you use it or not. A tankless unit fires only when a tap opens, heats water as it passes, and keeps going as long as you need it. That's real gas savings every month, a 20-year service life, and a wall-mounted footprint the size of a carry-on suitcase.
Look at the photo on this page — that's our work, in a real southside home. Clean copper, labeled valves, proper venting, and our sticker with the install date. We size every unit to your fixtures and your gas supply, because an undersized tankless makes nobody happy in January.
- Rinnai tankless installation
- Tank-to-tankless conversions
- Gas line sizing & upgrades
- Direct-vent installation
- Isolation valve kits
- Annual descaling service
- Recirculation options
- Tankless repair & diagnostics
Why Homeowners Switch
Tank Frustrations Tankless Solves
If your current tank keeps doing any of this, you're the person tankless was invented for.
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Cold Showers by Third Turn
Tanks hold a fixed 40–50 gallons. On-demand heating means the fourth shower matches the first.
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Gas Bill Creeping Up
Standby heating wastes fuel all day. Tankless fires only when water actually flows.
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Tank Eating Floor Space
A wall-mounted unit frees the corner of the garage or closet your tank has squatted in for years.
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Replacing Tanks Every Decade
With annual descaling, tankless units routinely run 20 years — double a tank's lifespan.
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Worrying About 50-Gallon Floods
No stored water means no catastrophic tank rupture soaking the basement while you're away.
Conversion Day
Your Tankless Conversion, Step by Step
One well-planned day — endless hot water by dinner.
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Home & Gas Assessment
We check fixtures, gas capacity, and vent paths, then size the right Rinnai.
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Out With the Tank
Old unit drained and hauled away; the wall and connections prepped clean.
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Mount, Vent & Connect
Stainless venting, isolation valves, and leak-tested gas and water lines.
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Dial In & Demo
We set your temperature, test every fixture, and show you the controls.
Tankless, Locally Tuned
Making Tankless Work in Central Indiana
The local details that decide whether a tankless install thrives or disappoints.
Cold Inlet Reality
January groundwater demands honest sizing — we spec for winter flow, not brochure numbers.
Scale Defense
Isolation valves plus an annual flush keep hard water from choking the heat exchanger.
Gas Supply Math
We verify meter and line capacity before quoting, so performance never falls short.
Efficiency Payback
Condensing Rinnai units squeeze more heat from every therm — savings you see monthly.
Service, Not Just Sales
We repair and descale tankless units too — including ones other companies installed.
Stickered & Warrantied
Install date on the unit, license PC12600020 behind it, warranty in writing.
Switched & Happy
What Converts Say About On Point
"On Point is on time, professional and very informative. Would recommend to anyone looking for any of their many services. Give them a call."
"Luke and his team did an amazing job installing our water heater in a timely manner. Great communication with their work and I'd highly recommend them to anyone!"
Tankless FAQs
Tankless Water Heater Questions
For a lot of southside homes, yes. You stop heating 50 gallons around the clock, the unit lasts roughly twice as long as a tank, and nobody draws a cold short straw on shower morning. We'll run your household's actual numbers — sometimes a tank still wins, and we'll say so.
Keep Exploring
Other Ways We Can Help
Water Heater Repair No hot water? Most repairs done in one visit Water Heater Installation New tank units installed, old ones hauled away Water Softeners Beat Indiana hard water with a whole-home softener Drain Cleaning Slow or stopped drains cleared the same day Drain Repair Broken or root-damaged drain lines fixed right Emergency Plumber 24/7 response for bursts, backups & major leaks Leak Detection & Repair Hidden leaks found and fixed before they spread Sump Pump Installation Keep your basement dry through Indiana storms Sump Pump Repair Failed pumps repaired or replaced fast Toilet Repair & Replacement Running, leaking, or aging toilets handled Garbage Disposal Installation Jammed or dead disposals swapped in about an hour Sewer Camera Inspection See inside your sewer line before you dig or buy Hydro Jetting High-pressure jetting for grease and root blockages Bathroom Remodeling Full bathroom updates from rough-in to fixtures
Go On-Demand
Ready for Endless Hot Water?
Call for a free tankless assessment — we'll size your home honestly and quote the whole conversion flat.
Make the Switch
Get a Tankless Quote for Your Home
Tell us your household size and current setup — we'll bring the right Rinnai numbers.
Hours of Operation
- Monday Open 24 Hours
- Tuesday Open 24 Hours
- Wednesday Open 24 Hours
- Thursday Open 24 Hours
- Friday Open 24 Hours
- Saturday Open 24 Hours
- Sunday Open 24 Hours
Request a Free Quote
Tell us what's going on — we'll reply fast during business hours.