Why So Many Fayette County Homeowners Ask About Tankless
A standard tank water heater keeps 40 or 50 gallons hot all day, whether you use it or not. A tankless unit heats water only when you open a hot tap. That basic difference drives most of the interest.
According to the U.S. Department of Energy, tankless heaters avoid the standby heat loss that comes with keeping a tank hot. They also take up far less space, since they mount on a wall.
What the Department of Energy says
- Homes using 41 gallons or less of hot water a day can see 24% to 34% better efficiency.
- Homes using a lot of hot water, around 86 gallons a day, can see 8% to 14%.
- Most tankless units have a life expectancy of more than 20 years.
- Storage tank water heaters typically last 10 to 15 years.
- Typical tankless output is 2 to 5 gallons per minute.
Those are federal figures, not guarantees for your home. Your savings depend on how much hot water your household uses and which fuel you have.
Tankless interest often starts when an old tank begins to fail. If your current heater is leaking, rumbling, or running out of hot water early, it may be time to compare options. Our water heater repair and installation services cover both tank and tankless systems.
National Tankless Water Heater Cost Estimates for 2026
We do not publish local prices, because every installation is different. To give you a starting point, here are national estimates from published cost guides. These are national figures, not our prices. Your actual quote may be higher or lower.
Total installed cost, national estimates
| Source | What it covers | National estimate |
|---|---|---|
| HomeAdvisor (updated June 2026) | Professional installation, typical range | $1,406 to $3,902; average about $2,641 |
| HomeGuide (January 2026) | Installed cost, all fuel types | $1,400 to $5,600 |
| Homewyse (September 2026) | Basic install with favorable conditions | $2,877 to $3,334 per heater |
Installed cost by fuel type, per HomeGuide
| Fuel type | National installed estimate |
|---|---|
| Electric | $1,400 to $3,000 |
| Propane | $1,600 to $4,500 |
| Natural gas | $2,100 to $5,600 |
Why the national ranges differ
Each guide measures something slightly different. Homewyse, for example, prices a basic swap with favorable conditions. It leaves out permits and framing changes. HomeGuide's ranges include required modifications for gas units.
National averages also blend many regions together. Labor rates, permit fees, and housing styles vary from place to place. Treat these ranges as a planning tool, not a local price list.
The bottom line on national numbers
The takeaway is simple. The unit is only part of the bill. The work needed to make your home ready for tankless often matters more.
What Changes the Price in Your Home
Two Fayette County homes can get very different tankless quotes. The difference usually comes down to what your home already has in place.
Key cost factors
| Factor | Why it matters |
|---|---|
| Fuel type | Gas, propane, and electric units differ in price and install work |
| Gas line size | Tankless gas units often need more gas flow than a tank |
| Venting | Gas units need proper venting; condensing units use different materials |
| Electrical capacity | Electric units may need new circuits or a panel upgrade |
| Unit size | Larger households need a higher flow rate |
| Location | Moving the heater adds piping and labor |
| Old tank removal | Draining and hauling away the old unit adds a step |
| Permits | Local permits and inspections may apply |
Add-on costs national guides mention
HomeGuide lists several common extras as national estimates:
- Dedicated electrical circuit: $250 to $900
- Full electrical panel replacement: $850 to $1,700
- Gas line upgrade or new line: $350 to $2,000
- Old water heater removal: $75 to $500
Not every home needs these. Some need none. A proper assessment tells you which apply before you commit.
Condensing vs. non-condensing gas units
Condensing gas units capture extra heat from exhaust gases. That makes them more efficient. They also need special venting and a drain for condensation, so installation is more involved.
Non-condensing units cost less up front. They vent hotter exhaust and are less efficient over time.
Choosing the Right Size and Fuel Type
Sizing a tankless unit is not about gallons stored. It is about how many gallons per minute you need at once. Undersize the unit, and you get lukewarm showers when the dishwasher runs.
How to think about sizing
- List your hot water fixtures. Showers, tubs, sinks, dishwasher, and washing machine.
- Estimate what runs at the same time. Two showers plus a dishwasher is a common peak.
- Add up the flow rates. This sets the gallons per minute you need.
- Account for incoming water temperature. Colder incoming water means the unit has to work harder.
- Match the unit to that peak demand. A qualified plumber can do this calculation for you.
The Department of Energy notes that even a large gas model may struggle with several uses at once in a big household. Some homes solve this with two units. Others add a small point-of-use heater for a far-off bathroom.
Gas vs. electric in Fayette County homes
Gas units usually deliver higher flow rates than electric ones, according to the Department of Energy. That makes gas a common fit for larger households that already have natural gas service.
Electric units avoid gas lines and venting. They can need significant electrical capacity, though. If your panel is already near its limit, that upgrade becomes part of the cost.
Look for an intermittent ignition
The Department of Energy warns that gas tankless units with a standing pilot light can waste energy. It suggests models with an intermittent ignition device instead.
Is Tankless Worth It for Your Household?
Tankless makes sense for many homes, but not all. It helps to weigh the long-term picture against the higher upfront cost.
Tankless tends to fit well when
- You plan to stay in the home for years.
- Your current tank is near the end of its life.
- You want more floor space in a garage or closet.
- Your hot water use is moderate and spread through the day.
- You already have natural gas service with adequate capacity.
A tank may still make sense when
- Your budget calls for the lowest upfront cost.
- Your home would need major gas or electrical upgrades.
- Several people shower at the same time every morning.
- You may sell the home soon.
Maintenance matters for both
Tankless heat exchangers can collect mineral scale over time. Periodic flushing, as the manufacturer recommends, helps protect efficiency. The Department of Energy notes that regular maintenance can extend a water heater's life and limit efficiency loss.
If you have scale concerns, a softener or filter can help. See our water softening and filtration services for options.
A note on tax credits
Federal energy tax credit rules have changed in recent years. Check IRS.gov or ask a tax advisor before counting on a credit for your installation.
How We Price and Finance Tankless Installation
National ranges help you plan. Your real number comes from looking at your home. Here is how our process works.
Upfront pricing
We provide a full menu of options and total costs before any work begins. You see the full price of each option, including the work your home needs. Then you decide. Nothing starts until you approve it.
Financing options
If a tankless upgrade fits your goals but not your budget today, financing may help. Offers are subject to credit approval and depend on the lender.
- $0 down and affordable monthly payments.
- Instant approvals: pre-approved options are presented during the same visit.
- Soft credit pull: pre-qualified offers use a soft pull that does not affect your credit score.
- No stipulations: no proof of homeownership, income, or job completion certificates required.
See our financing page for details.
What a complete quote should include
- The tankless unit itself, with its model and flow rate
- Removal and disposal of your old water heater
- Any gas line, venting, or electrical changes
- New water connections, valves, and fittings
- Permits and inspections, where required
- Setup, testing, and a walkthrough of how to maintain it
Watch out for low quotes
A very low bid may leave out the gas line, venting, permits, or old tank removal. Ask every installer for a written, itemized total. Make sure it covers everything needed to finish the job to code.
When to Call a Professional
Tankless installation is not a DIY project. It involves gas lines, combustion venting, electrical circuits, and water connections. Mistakes can cause leaks, poor performance, or dangerous exhaust problems.
The Department of Energy recommends having a qualified plumbing and heating contractor install a demand water heater. It points to fuel type, local codes, and gas combustion safety as reasons.
What you can do yourself
- Track how much hot water your household uses at peak times.
- Note the age and size of your current water heater.
- Find out whether you have natural gas service.
- Check your electrical panel's labels and available space.
- Read the manufacturer's maintenance guide once installed.
Call a licensed plumber when
- You want a sizing calculation for your home.
- Your tank heater is leaking or failing.
- You need a gas line, venting, or electrical assessment.
- A tankless unit shows error codes or runs lukewarm.
- It is time for a scale flush or service.
Permits may be required. Check with the Town of Tyrone or the Fayette County building department, or ask your installer to confirm.
Our work is led under Georgia Master Plumber license MP208643. Our technicians are highly trained, background-checked, and drug-tested. If you book a scheduled appointment and we are late, our on-time guarantee applies: we pay you $5.00 for every minute we're late, up to $300.
Need a Plumber in Tyrone? Benjamin Franklin Plumbing Is Ready to Help
A tankless water heater can save energy and space, but the right price depends on your home. Our Tyrone team will size the unit, check your gas or electrical needs, and give you total costs upfront. We also offer water heater installation in Peachtree City and water heater installation in Newnan.
Call us at (470) 975-7770 or contact us today to schedule service in Tyrone and across Fayette and Coweta Counties.