February 3, 2026

Tips on Choosing a Tankless Water Heater

A tankless water heater is an excellent investment for your home, and choosing the right one can make all the difference. Read on as Roberts Plumbing Hydro Jet & Rooter shares some tips to help you find the perfect water heater for your needs.

IDENTIFY THE FLOW RATE (GPM)

First, list the total number of fixtures or appliances you’ll be using at the same during peak hours. Think of your usual mornings when you’re using the sink, someone’s showering, and another’s doing their laundry simultaneously. Add up each flow rate, which you can find in the manufacturer’s manual or GPM (gallon per minute) stamped directly on the item.

In most cases, a standard showerhead has 2.5 GPM and 1.2 GPM for a kitchen sink. A tankless water heater installation with 4 GPM can handle both your shower and sink at the same time.

DETERMINE THE REQUIRED TEMPERATURE RISE

How well the system warms up the water to your desired temperature is also something you should consider to avoid an untimely water heater repair in Northridge, CA. To calculate the needed temperature rise for your unit, find out the temperature of the water entering your home, then subtract that to your preferred hot water temperature. Our team can do the math for you and present the best options that suit you.

CONSIDER LONG-TERM COSTS

When deciding which tankless heater to buy, consider its maintenance needs and long-term costs. For instance, electric units require less upkeep than gas-fuelled units; however, they may have higher operating costs over time. No matter what you choose, our water heater services ensure that you’ll get the most out of your unit.

When it’s time for a hot water heater replacement, don’t hesitate to contact the pros at Roberts Plumbing Hydro Jet & Rooter. We’ll be with you every step of the way and help you make sound decisions for your investment. Get in touch with us today to schedule an appointment.

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