Choosing the Right Tankless Water Heater

mike.aaron.jefferis
January 31, 2025

Tankless water heaters are becoming increasingly popular among California homeowners due to their energy efficiency, space-saving design, and on-demand hot water capabilities. However, choosing the right model for your home can be overwhelming with so many options available. At City Plumbing and Rooter, we’re here to help you make an informed decision. Here’s what you need to consider when selecting a tankless water heater.

1. Gas vs. Electric Tankless Water Heaters

The first decision you’ll need to make is whether to go with a gas or electric model:

Gas tankless water heaters provide higher flow rates and are ideal for larger households with high hot water demand. They require proper venting and access to a gas line.
Electric tankless water heaters are more compact and easier to install, making them a great choice for smaller homes or areas where gas isn’t available. However, they may struggle to meet high water usage needs.

2. Consider Your Household’s Hot Water Demand

Tankless water heaters heat water as it flows through the unit, so the right size depends on your household’s hot water usage. To determine the best fit, consider:

The number of bathrooms in your home
How many appliances run hot water simultaneously
The flow rate (gallons per minute) needed to meet your peak demand

A professional plumber can help you calculate the ideal size to ensure you never run out of hot water.

3. Energy Efficiency and Cost Savings

One of the biggest benefits of a tankless water heater is its energy efficiency. Look for models with a high Energy Factor (EF) or Uniform Energy Factor (UEF) rating. A higher rating means better energy savings over time. While tankless water heaters typically have a higher upfront cost, they can last up to 20 years and help reduce your utility bills.

4. Installation Requirements

Switching from a traditional tank water heater to a tankless model may require electrical upgrades, gas line modifications, or venting adjustments. Professional installation ensures your unit operates efficiently and meets local building codes.

5. Warranty and Brand Reliability

Investing in a quality brand with a strong warranty can save you money in the long run. Top manufacturers like Rinnai, Navien, and Noritz offer durable, high-performance models with warranties ranging from 10 to 15 years.

Say Goodbye to Cold Showers with City Plumbing and Rooter

If you’re considering upgrading to a tankless water heater, City Plumbing and Rooter can help you select the best model for your home and handle the installation professionally. Contact us today to schedule a consultation and start enjoying endless hot water with greater energy efficiency!