Converting from a traditional tank water heater to a tankless system is one of the most impactful energy upgrades a Southern California homeowner can make. The conversion eliminates standby heat loss, frees up floor space, and provides unlimited on-demand hot water for the life of the unit. At Wise Choice Remodeling (CSLB #1104186), we handle the complete conversion from start to finish, including removal and disposal of your old tank, any required gas line or electrical upgrades, new venting installation, and full system commissioning.
Signs It Is Time to Convert to Tankless
Most homeowners consider converting when their tank heater fails or is nearing the end of its service life. Here are the clearest indicators that it is time to make the switch:
- The tank heater is 8 to 12 years old and approaching the end of its service life
- Running out of hot water regularly with the current tank
- Visible rust, corrosion, or leaking on the existing tank
- High energy bills from continuous standby heating
- Rust-colored hot water indicates internal tank corrosion
- Wanting to reclaim floor space currently occupied by the tank
Converting when replacing a failed or aging tank is the most cost-effective time to make the upgrade — the removal and installation costs overlap with what you would pay for a standard tank replacement.
What the Conversion Includes
A complete tank-to-tankless conversion is more involved than a like-for-like replacement. Here is everything we handle.
Old Tank Removal and Disposal
We drain, disconnect, and remove your existing tank water heater and dispose of it properly. Tank heaters are heavy and awkward — this is not a DIY task.
Gas Line Assessment and Upgrade
Gas tankless units require higher BTU capacity than tank heaters. We assess your existing gas supply line and upgrade it if needed to meet the tankless unit’s requirements.
Venting Installation
Unlike most tank heaters, tankless units require direct venting to the exterior. We install the appropriate vent system based on your unit’s requirements and home configuration.
New Tankless Unit Installation
We install the new tankless unit, connect all supply and return lines, and complete the gas or electrical connections.
System Testing and Commissioning
We run the system through a complete test, verify the flow rate and temperature at multiple fixtures, and confirm the conversion is performing correctly before we leave.
Tank Water Heater vs. Tankless — The Comparison
Understanding the differences helps confirm that conversion is the right investment for your home.
| Factor | Traditional Tank | Tankless |
|---|---|---|
| Hot Water Supply | Limited to tank volume | Unlimited on demand |
| Energy Use | Continuous standby heating | Only heats when needed |
| Lifespan | 8-12 years | 20+ years |
| Space | Large floor footprint | Wall-mounted, compact |
| Upfront Cost | Lower | Higher — pays back over time |
| Operating Cost | Higher | Lower |
Our Tank to Tankless Conversion Process
Assessment and System Selection
We assess your household hot water demand, existing gas line or electrical capacity, and venting options to select the right tankless unit for your home.
Conversion Plan and Estimate
We provide a written conversion plan and detailed estimate covering the full scope, including removal, gas line or electrical work, venting, and installation. No vague line items, no surprise charges.
Tank Removal
We drain, disconnect, and remove the existing tank and haul it away.
Utility Upgrades
We complete any required gas line upgrades or electrical circuit work before the new unit is installed.
Tankless Installation and Venting
We install the new unit, complete all connections, and install the venting system to the exterior.
Testing and Commissioning
We test the system fully, verify performance at multiple fixtures, and walk the installation with you before we leave.
Get a Free Tank to Tankless Conversion Estimate
Ready to convert to tankless and eliminate your hot water limits? Contact Wise Choice Remodeling to schedule your free assessment and estimate. We will evaluate your home’s requirements and give you a clear written quote for the complete conversion.
How Long Does a Tank to Tankless Conversion Take?
Most conversions are completed in one day. Conversions requiring significant gas line work or new electrical circuits may take longer. We give you a clear timeline during the estimate phase so you know what to expect.
Tank to Tankless Conversion Cost — What to Expect
Conversion costs vary based on the unit selected, gas line upgrade requirements, venting configuration, and whether electrical circuit work is needed. The conversion costs more than a standard tank replacement but significantly less when you factor in the longer service life and lower operating costs of the tankless unit.
We provide detailed written estimates at no charge based on your specific home and conversion requirements.
Rebates and Tax Credits for Tankless Conversions
Many tankless water heater installations qualify for utility rebates and federal energy efficiency tax credits. Eligibility depends on the specific unit and current program availability. Converting when replacing a failed or aging tank is often the best time to take advantage of these programs. We advise on applicable programs during your estimate.
Why Choose Wise Choice for Tank to Tankless Conversion
Licensed and Insured
We carry full general liability and workers’ compensation coverage.
Complete Conversion in One Visit
We handle the entire conversion, including removal, gas line or electrical upgrades, venting, and installation in a coordinated project.
Correct Sizing
We size your new tankless unit to your actual household demand so it performs correctly from day one.
Workmanship Guarantee
We stand behind every installation. If something is not right after we leave, we come back and fix it.
No Unknown Subcontractors
Your conversion is handled by our experienced, licensed crew from start to finish.
Tank to Tankless Conversion Services Across Southern California
Wise Choice Remodeling provides professional tank to tankless conversion services to homeowners across Southern California. We serve Los Angeles County, Riverside County, San Bernardino County, Orange County, San Diego County, and the Palm Desert area. Our licensed crew delivers the same level of care and quality on every job regardless of location.
Tank to Tankless Conversion
Questions Answered
The US Department of Energy estimates that tankless water heaters are 24 to 34 percent more energy efficient than storage tank heaters for homes that use moderate amounts of hot water. Actual savings depend on your current heater, household usage, and fuel costs.
Gas tankless units typically require a larger gas supply line than tank heaters. We assess your existing gas line during our estimate and advise on whether an upgrade is needed. Gas line upgrades are a standard part of many conversions.
Sometimes. Tankless units require venting to the exterior and a gas supply line of adequate size. The existing location may work if these conditions can be met. We assess the location during our estimate.
For most homeowners, yes. Tankless units last more than twice as long as tank heaters and operate at significantly lower energy cost. The longer service life and lower operating costs typically offset the higher upfront investment over the unit's lifespan.
We drain, disconnect, remove, and dispose of your old tank water heater as part of the conversion. You do not need to arrange separate disposal.
Yes. Wise Choice Remodeling holds CSLB License #1104186 and carries full general liability and workers compensation coverage.