Save Up to $2,100+ in Rebates & Tax Credits
Endless Hot Water.
Installed Today.
Southern California’s trusted tankless water heater experts. Upfront pricing, licensed installers, and every rebate dollar you’re owed.
Licensed & Insured
25+ Years in SoCal
3 SoCal Locations
Upfront Pricing
Why Tankless
Your old tank water heater is costing you money every single day.
Traditional tank heaters waste energy keeping 40-50 gallons hot around the clock, whether you need it or not. A tankless system heats water on demand, cutting energy waste and giving your household unlimited hot water.
1
Cut Energy Bills Up to 40%
Tankless units only fire when you open a faucet. No standby heat loss means lower monthly gas bills, starting the first month after installation.
2
Hot Water That Never Runs Outv
Back-to-back showers, dishwasher running, laundry going. A properly sized tankless unit delivers continuous hot water no matter how much you use.
3
Lasts Up to 20+ Years
Tankless systems last roughly twice as long as traditional tanks. With regular maintenance, most units exceed 20 years of reliable service.
4
Reclaim Your Space
Wall-mounted tankless units free up valuable square footage in your garage, utility closet, or laundry room. Most units are about the size of a carry-on suitcase.
Side-by-Side Comparison
Tank vs. Tankless: See the Difference
Here’s how a traditional tank water heater stacks up against a modern tankless system across the factors that matter most to Southern California homeowners.
Feature
Traditional Tank
Tankless
Winner
Hot Water Supply
Limited by tank size (40-50 gal)
Unlimited, on demand
Energy Efficiency
UEF 0.58 – 0.65 (typical)
UEF 0.87 – 0.98
Monthly Energy Cost
~$35 – $50/month
~$20 – $30/month
Lifespan
8 – 12 years
20+ years
Physical Size
60″ tall, 24″ wide floor unit
Wall-mounted, ~24″ x 14″
Risk of Tank Failure / Flooding
Yes, increases with age
No tank to burst
Rebate & Tax Credit Eligible
Limited
Up to $2,100+
Typical Installed Cost
$1,500 – $2,500
$3,500 – $5,500*
10-Year Total Cost of Ownership
$5,700 – $8,500
$4,200 – $6,200**
*Before rebates and tax credits. **Includes lower energy costs, longer lifespan, and available incentives. Estimates based on SoCal energy rates and typical household usage. Your actual costs may vary.
Not sure if tankless is right for your home?
Our experts evaluate your household size, hot water demand, and gas line capacity before recommending anything.
Rebates & Tax Credits
Save Up to $2,100+ on Your Installation
Southern California homeowners can stack multiple incentives to dramatically reduce the cost of going tankless. Here’s what’s currently available.
$2,100+
BIGGEST SAVINGS
$1,500
Utility Rebate
SoCalGas Rebate
Up to $1,500 for qualifying ENERGY STAR certified natural gas tankless water heaters replacing a conventional tank. Available through December 31, 2026 on a first-come, first-served basis.
$600
Federal Tax Credit
30% of total project cost (equipment + installation) up to $600 for gas tankless units with UEF of 0.95 or higher. Claimed on IRS Form 5695 with your federal tax return.
Important: Rebate and tax credit availability, amounts, and eligibility requirements are subject to change. SoCalGas funds are allocated first-come, first-served. The federal 25C tax credit is non-refundable. A-1 helps you identify every incentive you qualify for, but we recommend confirming current program status and consulting a tax professional for credit eligibility. Additional local utility rebates may be available depending on your service area.
Every A-1 Tankless Installation Includes
No hidden fees. No surprise charges. Here’s exactly what you get.
- Free in-home assessment and sizing consultation
- Gas line modifications and upgrades as needed
- All required permits and city inspections
- Rebate paperwork assistance so you don't leave money on the table
- Professional removal and disposal of your old tank water heater
- Proper venting installation to code
- Complete system testing and homeowner walkthrough
- Manufacturer warranty registration and A-1's workmanship guarantee
HOW IT WORKS
Three Steps to Endless Hot Water
Free Assessment
We evaluate your home’s hot water demand, gas line capacity, and venting options. You get a clear recommendation and upfront pricing the same day.
Expert Installation
Start Saving
Rated 4.8 Stars Across 500+ Google Reviews
“I’ve worked with A1 for years and they’ve always been great. They answer the phone quickly, and they honestly work to resolve issues quickly and with professionalism. Jose Reyes in particular has helped us out. I am a happy, repeat customer.“
★★★★★ — Verified Google Review
“Alvin Ramos and Jose Iniguez were terrific. Jose conducted maintenance on my tankless water heater and shared the details of what he found so it was easily understood. Jose then worked with Alvin to diagnose issues with under the house plumbing and sewer lines. Both plumbers were very thorough. Alvin gave me a detailed, digital analysis of the issues and again, it was explained so I could comprehend. I won’t use anyone other than A-1.“
★★★★★ — Verified Google Review
Frequently Asked Questions
The cost of tankless water heater installation varies depending on your home’s setup, venting requirements, and whether gas line upgrades are needed. We provide an exact, upfront price during your free assessment.
Most tankless water heater installations are completed in a single day by our expert technicians.
Yes! Tankless water heaters heat water on demand, meaning you get a continuous supply of hot water. We’ll size the unit correctly during your assessment to ensure it meets your household’s peak demand.
Tankless units typically require a larger gas line than traditional tank heaters. During your free assessment, we will evaluate your current gas line capacity and determine if an upgrade is necessary.
We make it easy for you. After installation, we provide all the necessary paperwork and documentation you need to claim local rebates and federal tax credits.
We install top-quality, highly reliable tankless water heater brands. Our technicians will recommend the best model for your specific needs and budget.
We proudly serve the local metropolitan area and surrounding communities. Contact us to confirm service availability at your specific address.
Get Your Free Tankless
Estimate
No obligation. No pressure. Just honest pricing and expert advice.
We typically respond within 1 business hour during operating hours.
A-1 Total Service Plumbing
Los Angeles • La Habra • Anaheim
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