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Tankless water heater installation replaces your old tank unit with an on-demand system that heats water only when you need it. When properly sized and installed, it provides continuous hot water, can reduce energy waste, and fits neatly on a wall—making it a great option for many Columbus-area homes.
Why homeowners choose tankless water heaters in Columbus
A tankless water heater doesn’t store hot water the way a traditional tank does. Instead, it heats water as it flows through the unit. That simple difference can solve a lot of common frustrations.
Benefits of going tankless
- Continuous hot water for back-to-back showers and busy mornings
- Less energy waste compared to constantly reheating a tank of stored water
- Space-saving design (wall-mounted in many installs)
- Long-term value—tankless units often last longer with proper maintenance
The U.S. Department of Energy notes that for homes using 41 gallons or less per day, tankless (demand-type) water heaters can be 24%–34% more energy efficient than conventional storage-tank models (and still offer savings for higher-use homes).
Is a tankless water heater right for your home?
Tankless is a great fit for many households—but it’s not a one-size-fits-all swap. A successful installation starts with the right match between your home’s needs and the equipment.
You may be a good candidate if you:
- Run out of hot water frequently
- Want a more efficient water heating setup.
- Need to reclaim space (especially in utility rooms)
- Plan to stay in your home long enough to benefit from the upgrade.
You may need extra planning if you:
- Have older plumbing or a limited utility space
- Need changes to venting, gas supply, or electrical (common in upgrades)
- Have hard water and haven’t been maintaining your system (maintenance matters for tankless)
That’s why we take a practical, home-specific approach—no generic recommendations, no guessing.
High-efficiency water heaters and ENERGY STAR options
If efficiency is a major goal, we’ll help you understand which features actually matter—especially in real-world Columbus use.
ENERGY STAR tankless water heaters
ENERGY STAR outlines performance requirements and encourages homeowners to look for certified models when shopping for whole-home tankless gas water heaters.
We’ll walk you through options so you can balance:
- Hot water demand
- Fuel type
- Venting constraints
- Upfront investment vs. long-term operating costs
Gas vs. electric tankless water heaters
Both types can work well, but they behave differently.
Gas tankless water heaters
Gas units are popular for whole-home demand because they can often deliver higher flow rates. Installation may involve venting considerations and verifying fuel supply to meet the unit’s requirements.
Electric tankless water heaters
Electric units can be a solid solution for smaller homes, additions, or point-of-use needs—but some whole-home electric installs may require electrical upgrades depending on the home.
We’ll help you choose based on what you actually need—not what sounds good on a sales page.
Tankless water heater sizing and flow rate
If you’ve heard someone say “tankless gives instant hot water,” here’s the truth:
Continuous hot water vs. instant hot water
Tankless systems provide continuous hot water (you don’t “run out”), but you may still wait briefly for hot water to travel through your plumbing—just like with a tank system.
Sizing matters because the unit must handle your household’s simultaneous demand (showers + dishwasher + laundry, etc.). We evaluate your usage patterns so your system performs the way you expect.
What to expect during tankless water heater installation
A quality install is more than mounting a box on the wall. Proper tankless installation can involve water lines, gas or electric connections, venting, condensate handling (for certain systems), and safety checks.
Many professional installs take about a half day to a full day, depending on whether upgrades are needed.
Our installation approach
We keep the process straightforward and communication clear. Our goal is a clean, code-compliant install that performs reliably.
Typical installation steps include:
- Evaluate your existing setup (current heater, piping, space, and access)
- Confirm system sizing for your household demand.
- Plan venting and drainage needs (if applicable)
- Verify gas or electrical capacity.y
- Install and test the new system for safe operation and performance.ce
- Review maintenance needs so you get the best lifespan and efficiency.
Our team is built around professionalism and technical excellence, and we focus on workmanship that lasts.
Gas line sizing and venting requirements
Do you need to upgrade your gas line for a tankless water heater?
Not always, but the system must receivean adequate fuel supply to operate correctly. Some installs require changes, while others don’t.
This is one of the most important parts of a safe installation. We verify what your home can support and explain any needed upgrades in plain language before work begins.
Permits, inspections, and code compliance in Columbus
When you’re upgrading equipment that affects water supply, venting, and fuel connections, inspection and code compliance matter.
The City of Columbus Building & Zoning Services notes that plumbing inspections are conducted to verify plumbing systems are installed according to applicable codes and approved designs.
If permitting or inspection steps apply to your installation, we’ll help you understand what’s required and keep the process moving without headaches.
Tankless water heater installation cost in Columbus, OH
Cost depends on your home, the type of system, and whether upgrades are needed (venting, gas line capacity, electrical, etc.). Local cost guides emphasize that tankless pricing varies by factors like size and fuel type.
What affects pricing the most?
- Type of unit (gas vs. electric, standard vs. high-efficiency)
- Venting requirements
- Gas line or electrical upgrades
- Complexity of replacing an existing unit vs. a new installation
- Any code-driven changes needed to bring the setup up to standard
If you want a real number—not an internet estimate—we’ll provide a transparent estimate before work begins.
Maintenance and annual tankless water heater service
Tankless systems are efficient, but they still need maintenance—especially in areas with mineral-heavy water. A basic annual service can help prevent scale buildup, performance drops, and premature wear.
Tankless water heater flushing service
Many homeowners schedule periodic flushing/descaling to keep the heat exchanger operating efficiently. We’ll recommend a maintenance cadence based on your water quality and usage.
Common signs your old water heater is ready for an upgrade
If you’re on the fence, here are common “it’s time” signals:
- You’re running out of hot water regularly
- Temperature swings or lukewarm showers
- Rising energy bills
- Frequent repairs
- Your system is nearing the end of its expected lifespan.
Tankless water heaters often last 15–20 years with proper care, according to a major manufacturer resource, which is longer than many traditional tank units.
Why choose Evolved Plumbing and Mechanical for tankless water heater installation?
We’re not here to overwhelm you with technical talk—we’re here to deliver a smooth experience and a reliable result.
Local plumbing team built on trust and quality
We’re a Columbus-area company founded in 2019, built around integrity, craftsmanship, and customer satisfaction. Our technicians are licensed and insured, and we combine modern tools with time-tested workmanship to deliver efficient, long-lasting results at fair, transparent prices.
24/7 emergency support when things go wrong
Plumbing problems don’t follow a schedule. We provide 24/7 emergency plumbing services in Columbus, OH, including urgent water heater failures.
Service across Columbus and the surrounding areas
We serve Columbus and nearby communities, including Dublin, Westerville, Gahanna, Reynoldsburg, New Albany, Upper Arlington, and more.
