Water Heater Installation in Riverside, CA
Tell us about the house, and a licensed contractor who covers Riverside County will get in touch.
Tell us about the job
It takes about a minute.
What a water heater in Riverside County has to handle
Winter nights here average 42°F from December through February, so the water coming into a new heater is colder in those months than the rest of the year. Homes in the county need heat from November through March, five months a year, and a water heater is drawing on the same cold supply through that stretch.
A new storage water heater also has to clear a federal efficiency minimum, and that minimum isn't one number. It's a formula based on the tank's rated volume, applied separately across four draw patterns, so two heaters of the same type end up facing different minimums depending on their size. Worth asking about when you're choosing one.
- 42°F
- the average winter night, and colder incoming water means longer heating
- 5 months
- November through March, the months homes here need heat
- 17%
- of California households lost power for a day or more in 2024, and a heater with an electric element or electric ignition stops without it

NOAA nClimDiv, 1991–2020 normals
A heat pump water heater would save about $780 a year to run in California compared with an electric water heater.
Estimates for a typical California home, from EIA household energy data and California fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is water pooling around the base of the tank, since that means the tank itself is failing and won't stop. Water that never gets fully hot, or runs out fast, points the same way once a contractor rules out the thermostat or the element. Rust-colored water from the hot tap, especially if it doesn't clear after running it a minute, is another sign, and so is a tank making rumbling or popping sounds as sediment builds up on the bottom. A contractor can tell you how much life is left in yours by looking at the tank itself rather than guessing from age.
- Should I switch to a tankless water heater?
- It depends on what you want out of your hot water, not on what's wrong with your tank. A tankless unit heats water only as you use it, so you don't run out during a long shower or back-to-back loads of laundry, and it takes up much less space than a tank. It costs more to install than a like-for-like tank replacement, and the gas line, venting, or electrical feeding it may need to change to handle a tankless unit's demands. A contractor can look at your home and tell you what that would involve for your setup.
- What changes when you install a tankless water heater?
- The biggest change is what feeds it. A tankless unit needs more gas flow or a larger electrical circuit than a tank did, so the line running to it often has to be upsized. Venting changes too, since a tankless water heater vents differently than a tank and usually needs new venting run for it. Where it goes can change as well, since a tankless unit mounts on a wall and doesn't need the floor space a tank does, which opens up where in the house it can sit.


