AFFORDABLE AIR HEATING & COOLING
Tankless Water Heater Installation in Chillicothe, OH
Sized right, installed right.
The right fit for your home.
A tankless water heater only delivers on its promise if it's sized, piped, vented and powered correctly. Affordable Air installs gas, propane and electric tankless water heaters across Chillicothe and Southern Ohio, done to code by a licensed local team.
Locally owned Chillicothe roots since 2006Licensed & insured Ohio HVAC License HV.46265Free estimates Installation & replacement
WEIGHING YOUR OPTIONS
When a tankless installation makes sense
A second unit for a large home or long pipe runs.
Point-of-use units for a distant bathroom or shop.
Upgrading from a tank for continuous hot water.
THE EQUIPMENT IS ONLY PART OF THE PICTURE
What a quality installation includes
Flow-rate sizing for the fixtures you'll run at once.
Correct gas line sizing and pressure testing for gas and propane units.
Proper venting and combustion air.
Adequate electrical service for electric units.
Isolation valves so descaling is quick and easy.
Leak, temperature and safety testing before we leave.
Diagnosis first, then a clear recommendation.
We find the cause, explain it in plain language and give you the price before work begins. If a repair makes sense, we’ll say so—and if it doesn’t, we’ll tell you why.
What a tankless water heater costs in Chillicothe
Typical installed prices for gas tankless water heaters:
| System | Typical installed price |
|---|---|
| Gas tankless replacement (replacing an existing tankless unit) | $3,500–$5,000 |
| Tank to gas tankless conversion, with ordinary venting and piping work | $4,500–$6,500 |
Typical installed price ranges for Chillicothe-area homes as of October 2026. Your exact price depends on your home, system size and installation needs. Estimates on new systems are free, and financing is available for all credit types (0% APR for 72 months, with approved credit).
CLEAR SCOPE. INFORMED DECISIONS.
What affects the cost
Cost depends on unit size and fuel, gas line and venting work, electrical upgrades, location and whether it's a whole-home or point-of-use unit. Estimates are free and in writing. Financing is available for all credit types, including 0% APR for 72 months, with approved credit.
Request your free estimateFROM FIRST CONVERSATION TO EVERYDAY COMFORT
How it works
- 01
Establish your needs
Fixtures, fuel, location and water quality.
- 02
Explore your options
A written estimate with choices.
- 03
Installation
Usually completed in a day.
- 04
Walk-through
We show you the controls and descaling valves.
The local people behind your home comfort.
YOUR HVAC CONTRACTOR. YOUR NEIGHBORS.
Chillicothe has been home from the beginning.
Affordable Air has worked out of 949 East Main Street in Chillicothe since 2006, installing tankless water heaters across Ross, Pickaway, Pike, Scioto, Jackson, Fayette and Vinton counties.
Communities we serve: Chillicothe · Circleville · Ashville · Wheelersburg · All service areas
About Affordable AirBEFORE YOU CALL
Tankless water heater installation questions, answered.
How much does a tankless water heater cost in Chillicothe?
Replacing an existing gas tankless unit typically runs $3,500–$5,000 installed. Converting from a tank to gas tankless, with ordinary venting and piping work, typically runs $4,500–$6,500. Estimates are free.
Gas or electric tankless?
Gas and propane units handle higher demand; electric units are simpler to vent but need substantial electrical service. We'll recommend the right fit.
Will tankless work on well water?
Yes, with regular descaling or water treatment.
How long does installation take?
Usually a day.
COMFORT CLUB
Keep the comfort going.
The Comfort Club is $270 a year and includes an annual furnace tune-up, an annual A/C tune-up, priority service, 10% off repairs and special access to deals.
KEEP EXPLORING
Other ways we can help
Other ways we can aid our customers
LET’S MAKE YOUR HOME COMFORTABLE AGAIN
Tell us what’s
going on.
Need a repair, a replacement estimate or routine maintenance? Start here.
(740) 779-0079Prefer to text? (740) 273-8551
For urgent service, please call.