What it costs depends on how much hot water your house pulls at once — call 859-408-3382 for a free upfront quote. Below is the honest tank-vs-tankless math nobody publishes, including the maintenance you can't skip.
Rheem natural gas indoor units, 5-year warranty, installed. Your exact cost depends on the unit size and your home's setup — call 859-408-3382 for a free upfront quote. Take $100 off with code HEATER100.
A comparable gas tank installs for less upfront than a tankless. So the real question is: what does the extra cost buy?
Twice the lifespan. Tanks in Central Kentucky last 8–12 years (our hard water pushes them toward 8–10). A descaled tankless runs 18–20. Over twenty years you'll likely buy two tanks — or one tankless. That alone closes most of the price gap.
Hot water that doesn't run out. A tankless heats water as it flows, so the fourth shower is as hot as the first. If your household schedules showers around the water heater, this is the feature you're actually buying.
20–30% lower gas use. A tank reheats 50 gallons all day whether you use it or not. Tankless burns gas only when a tap opens. Real savings, but modest month to month — not a fortune. Anyone promising the unit "pays for itself in two years" is selling, not math-ing.
The honest catches: the annual descale is part of the true cost of ownership here — Kentucky water runs 150–200 mg/L hardness and scale is what kills heat exchangers. Some homes need a gas line upsize or new venting, which adds real dollars we'll show you at the quote visit. And when it's 10°F outside, groundwater comes in colder, so effective flow drops — which is why we size for January.
Our plain recommendation: staying 7+ years, 2+ bathrooms, tired of cold showers — tankless is worth it. Selling in three years or a one-bathroom house — put a good tank in and keep the difference.
A shower draws roughly 2 GPM, a kitchen sink 1.5, a washer 2. Add up what actually runs at the same time in your house on a Saturday morning — that's your number. We'll confirm it during the quote visit.
Tell us about your house and a dispatcher calls back as soon as we can. Or call 859-408-3382 — real humans, 24/7.
$100 off any install with HEATER100 · 0% financing available on larger jobs.
📞 859-408-3382