Image of tankless water heater used in San Diego

Tankless Water Heater Installation in San Diego

Tankless water heaters from companies like Noritz, Navien, Rheem and Rinnai dominate the market for gas and electric tankless water heater installation for residential and commercial spaces throughout San Diego County, according to Gabriel Carini, President of Carini Heating, Air and Plumbing. These leading brands account for much of the tankless water heater repair industry throughout the country. Each target different segments of the market based on pricing and technical features. Many models from these leading vendors qualify for PACE funding based on their energy efficient qualities and specifications. Companies offering PACE funding to homeowners in California include Ygrene and the HERO Program. Carini Heating, Air and Plumbing is an approved plumbing contractor for both of these funding programs.

Top electric tankless water heater installation applications

“Tankless heaters are sometimes referred to as demand type water heaters,” said Carini. “Since they provide hot water only as it is needed, home and business owners can realize large savings in their utility bills compared to conventional ‘tank’ type water heaters.”

There are a variety of scenarios where tankless water heaters help homeowners save money. Depending on the size of the home, it’s possible that multiple units might be required to handle different appliances – like washers and dryers; or if you are needing hot water at the same time in different parts of the house.

Carini explains that some of the typical residential and commercial applications for tankless water heaters include single family whole house water heating, multi-family residential, point-of-use water heating, retail, restaurants, beauty salons and offices.

Top 5 tankless water heater repairs

Some of the most common repairs on tankless water heaters include:

  • Build up of Minerals
tankless water san diego

Faucet with hard water damage

San Diego has hard water – similar to 85% of U.S homes. The two main components that cause hard water are calcium and magnesium, and their presence inside a tankless water heater can cause lots of damage if not properly addressed. A once-per-year water flush is recommended to protect against damage.


  • Too many users – an overloaded system

There are things you can do – reduce water usage, reset the unit periodically, or consider upgrading to a larger capacity unit. And don’t forget about adding recirculating pumps

  • Error messages about air supply or exhaust blockage

Your tankless hot water heater could be experiencing problems related to combustion air or improper venting

  • No Ignition Message

For some reason, the hot water heater is attempting to ignite, but it’s not happening. This kind of problem is often related to a gas supply or venting issue.

  • Error message about flame failure

This could be a problem with gas pressure; your gas line could be too small; the regulator could be failing; or it could be caused by combustion problems or venting.

Interesting info on tankless water heater brands in San Diego

Rheem Tankless, tank and hybrid (heat pump) Water Heaters

Carini Hybrid Water Heater San Diego from Rheem

Rheem has a broad line of both gas and electric tankless water heaters. Gas models are recommended for endless hot water in homes with luxury bathrooms and vacation homes.

For on demand hot water for a single faucet or shower, Rheem provides its line of electric tankless products. Programmable timers and wireless controls are available.

Click here for how to read your Rheem water heater warranty label and find the age of your Rheem tank, tankless or heat pump / hybrid water heater.

Navien Tankless Water Heaters

tankless heaters

How Navien Tankless Water Heaters work

Click here for a useful article that describes the way to tell the age of a Navien tankless unit.


Noritz Tankless Water Heaters

Click here for the simple way to learn the age of your Noritz tankless system.

For more information about electric tankless water heater repair and installation in San Diego, please contact Carini Heating, Air and Plumbing at 619-843-0997;