Propane & Natural Gas Tankless Water Heater Installation

Tankless Water Heater Installation

Earl's Plumbing installs propane and natural gas tankless water heaters throughout Northern California. We handle tank-to-tankless conversions, gas line and venting checks, water quality planning, and free in-home quotes with no service call fee.

Call (530) 343-0330 for a free tankless installation quote. We check your fuel type, gas line sizing, venting, water quality, installation location, and household hot water demand before recommending a system.
★ 4.8 — 4,700+ Google Reviews
Free quotes
No service call fee
Propane & natural gas
Noritz-certified knowledge
CSLB #772565
Outdoor Noritz tankless water heater installed by Earl's Plumbing in Chico CA
Outdoor Noritz tankless water heater installed by Earl's Plumbing.
Outdoor tankless installation with gas, venting, and service access planned before work begins.

Why Northern California Homeowners Go Tankless

Tankless water heaters are not just about continuous hot water. For many propane and natural gas homes, they are about reducing standby fuel waste, saving space, and installing a system that fits how the home actually uses hot water.

Heats Water On Demand

Tankless systems fire when hot water is needed instead of keeping a full tank hot throughout the day.

Continuous Hot Water

When sized correctly, tankless units can keep hot water flowing for long showers and back-to-back use.

Saves Space

No bulky storage tank. Many units mount on a wall and free up space in garages, closets, or utility areas.

Installed Correctly

Gas line sizing, venting, clearances, water quality, and household demand all matter before installation.

24-34%

Efficiency Potential

The U.S. Department of Energy says demand water heaters can be 24% to 34% more energy efficient in homes using 41 gallons or less of hot water daily. DOE source

8-14%

Higher-Use Homes

For homes using around 86 gallons of hot water per day, DOE says demand water heaters can be 8% to 14% more energy efficient than storage tank heaters. DOE source

20+ yrs

Typical Life Expectancy

DOE says most tankless water heaters have a life expectancy of more than 20 years. Actual life depends on installation, maintenance, water quality, and usage. DOE source

Is Tankless Right for Your Home?

Tankless can be a great upgrade, but the right answer depends on fuel supply, hot water demand, installation location, and long-term plans for the home.

Propane Homes

Propane tankless systems can be a strong fit for rural homes where stored hot water wastes fuel all day.

Natural Gas Homes

Gas tankless units can support whole-home hot water when the unit and gas line are sized correctly.

Tank-to-Tankless

Most tank water heaters can be replaced with tankless, but it is not always a simple swap.

Water Quality Matters

Hard or moderately hard water can create scale inside the heat exchanger if the system is not protected and maintained.

Propane & Natural Gas Tankless Installation

Fuel type changes the installation plan. Earl's Plumbing checks the setup before recommending a unit or quoting the work.

Tankless Water Heaters for Propane Homes

Rural Northern California has a lot of propane-fed homes. A propane tankless water heater only burns fuel when hot water is being used, instead of keeping a storage tank hot all day.

Before recommending a system, we look at regulator capacity, gas line size, venting path, unit location, total appliance load, and household hot water demand.

  • Good fit for many rural and foothill properties
  • Can reduce standby fuel waste compared with a storage tank
  • Requires correct gas line and regulator planning

Tankless Water Heaters for Natural Gas Homes

If your home already has natural gas, upgrading from a tank water heater to tankless can save space and reduce standby energy waste. Gas tankless units can also provide strong whole-home performance when properly sized.

We check gas line capacity, appliance load, venting, clearance, electrical access, water quality, and installation location before giving options.

  • Strong option for many homes with natural gas service
  • Often better whole-home output than electric tankless
  • Needs proper venting and safe fuel delivery

What Happens During a Tankless Installation Quote

We do not quote tankless installation from a guess. The home has to be checked first so the system is sized and installed correctly.

We inspect the existing water heater

We look at the old tank, installation location, water lines, gas or propane setup, venting path, electrical access, and available space.

We review your hot water demand

Showers, tubs, laundry, dishwashers, and simultaneous use all matter. Tankless systems must be sized for peak demand and incoming water temperature.

We check installation requirements

Gas line sizing, regulator capacity, venting, condensate handling, clearances, water quality protection, and service access all affect the installation plan.

We give you clear options

You get upfront pricing before work begins. If tankless is not the best fit, we can also explain tank water heater replacement options.

Tankless Installation Details That Matter

Tankless water heaters are more installation-sensitive than a basic tank replacement. The details behind the wall and around the unit decide how well the system performs.

Gas Line Sizing

Tankless systems often need higher BTU capacity than a standard tank heater. The gas line and appliance load need to be checked.

Venting & Clearance

Indoor units may need special venting. Outdoor units still need proper placement, clearances, and weather-appropriate installation.

Water Quality Protection

Hard or moderately hard water can scale a heat exchanger. Softening, filtration, or routine flushing may be recommended.

Service Valves

Proper valves and access make future flushing and maintenance easier and cleaner.

Electrical Access

Gas tankless systems still need electrical power for controls, ignition, and freeze protection on many units.

Condensate Handling

Condensing tankless units may need a proper condensate drain and neutralization depending on the setup.

Indoor vs. Outdoor

Placement affects venting, freezing protection, access, aesthetics, and installation cost.

Permit & Code Needs

Permit requirements vary by jurisdiction. We install according to local code and manufacturer requirements.

Water quality note: Noritz describes flushing/descaling as part of regular tankless maintenance. Actual maintenance frequency depends on the unit, water hardness, usage, and manufacturer guidance. Noritz source

Before and After Tankless Water Heater Installation

Real customer before and after photos from a tank-to-tankless upgrade completed by Earl's Plumbing.

Old tank water heater before tankless upgrade by Earl's Plumbing
Before photo of old tank water heater before tankless upgrade.
Before

Old Tank Water Heater

The existing storage tank took up space and needed to be evaluated before converting to tankless.

Noritz tankless water heater installed after replacing old tank water heater
After photo of Noritz tankless water heater installed by Earl's Plumbing.
After

New Tankless Installation

The completed tankless installation frees up space and includes the piping and service access needed for the system.

What Affects Tankless Installation Cost?

We do not give fake ballparks for tankless installation because the real price depends on the home. These are the items we inspect during your free quote.

Fuel Type

Propane and natural gas systems have different setup requirements, regulator needs, and appliance-load considerations.

Gas Line Sizing

The gas line, regulator, and total appliance load must support the tankless unit safely and consistently.

Venting

Indoor tankless units often need special venting. Outdoor units may reduce venting complexity but still require proper placement.

Household Demand

Fixture count, shower habits, tubs, laundry, and simultaneous use affect the system size and installation plan.

When Tankless May Not Be the Right Fit

Tankless is a great option for many homes, but it is not automatically the best answer for every situation. A standard tank water heater may be the better value if the upfront installation work is extensive, if the household has very high simultaneous demand, if gas or venting upgrades are not practical, or if the homeowner does not want to keep up with tankless maintenance.

That is why Earl's Plumbing gives options. We can explain tankless, tank replacement, gas line needs, water quality protection, and the tradeoffs before you make a decision.

Tankless Water Heater Reviews from Earl's Customers

Real feedback from homeowners who called Earl's Plumbing for tankless options, estimates, and installation.

★★★★★

"Stefan M. from Earl's Plumbing took care of us. He came out when the hot water heater stopped working and diagnosed the problem and gave us options. Three months later he was back. To order the part was three weeks out, but I have three girls in the house and we needed hot water today. We bit the bullet and upgraded our system to a tankless option. This was decided at 2pm and Stefan stayed late until my girls had hot water. The system works great and the install looks professional and clean."

Erich · 5-Star Google Review
Tankless Water Heater Upgrade · Stefan M.
★★★★★

"Travis came out to give us an estimate to swap our water heater to tankless. He was incredibly thorough, polite, professional, and answered all of our questions. This was my first exposure to Earls and we'll definitely be calling if we need something else. Thank you!"

Danielle · 5-Star Google Review
Tankless Water Heater Estimate · Travis

Tankless installation connects naturally with water heater replacement, gas line work, water quality protection, and whole-home plumbing upgrades.

Tankless Water Heater Installation Service Areas

We install propane and natural gas tankless water heaters across our Northern California service area.

Schedule a Free Tankless Quote Online

Pick a time that works for you. No service call fee. We inspect your setup and give you options.

📞 Prefer to call? (530) 343-0330

No hot water? Call (530) 343-0330 directly for faster scheduling.

Tankless Water Heater Installation FAQs

Real questions homeowners ask before upgrading from a tank water heater to tankless.

Are tankless water heaters good for propane homes?

Yes. Tankless water heaters can be a strong option for propane homes because they heat water only when hot water is being used instead of keeping a storage tank hot all day. Earl's Plumbing evaluates propane supply, gas line sizing, regulator capacity, venting, water quality, and household demand before recommending a system.

Can a tankless water heater lower my fuel use?

It can, depending on the home. The U.S. Department of Energy says demand water heaters can be 24% to 34% more energy efficient than storage tank water heaters for homes using 41 gallons or less of hot water daily, and 8% to 14% more efficient for higher-use homes around 86 gallons per day. Actual savings depend on hot water use, fuel type, equipment, installation, and maintenance.

Can Earl's Plumbing replace a tank water heater with a tankless water heater?

Usually, yes. Replacing a tank water heater with a tankless system may require gas line changes, venting, condensate drainage, electrical access, service valves, and permit-compliant installation. Earl's Plumbing provides a free in-home quote before any work begins.

What size tankless water heater do I need?

Tankless sizing depends on peak hot water demand, flow rate, temperature rise, fuel type, incoming water temperature, and how many fixtures may run at once. Earl's Plumbing checks the home before recommending a tankless system.

Do tankless water heaters provide endless hot water?

A properly sized tankless water heater can provide continuous hot water because it heats water on demand rather than storing a limited tank. However, an undersized system can struggle when too many showers, faucets, or appliances run at the same time.

Do tankless water heaters need maintenance?

Yes. Tankless systems need regular maintenance, and flushing or descaling may be recommended depending on water hardness, usage, and manufacturer requirements. Noritz describes flushing or de-scaling as part of regular tankless maintenance. See Noritz maintenance info.

Does hard water damage tankless water heaters?

Hard or moderately hard water can create mineral scale inside a tankless heat exchanger. Scale buildup can reduce hot water flow, lower performance, trigger error codes, and increase maintenance needs. A water softener, scale-reduction system, or regular flushing may be recommended depending on the home.

When is tankless not the right choice?

Tankless may not be the best fit when the upfront cost does not make sense, gas or propane upgrades would be extensive, the household has very high simultaneous hot water demand, or the homeowner does not want to keep up with maintenance. We can explain tank and tankless options before you decide.

Do I need a permit for tankless water heater installation in California?

Permit requirements depend on the local city or county building department, but water heater installations and replacements commonly require permits and must meet local plumbing, mechanical, venting, gas, seismic, and safety requirements. Earl's Plumbing installs tankless systems according to local code and manufacturer requirements.

How much does tankless water heater installation cost?

Tankless installation cost depends on the unit, fuel type, venting, gas line sizing, installation location, condensate handling, water quality protection, and whether the home is converting from a tank system. Earl's Plumbing provides free in-home quotes with no service call fee.