Los Angeles Tankless Water Heaters & More

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Q: What is a tankless water heater?
A: A tankless water heater heats water on demand, rather than storing it in a tank and re-heating it when you need it.

Q: Can I put a tankless water heater where my old tank water heater was?
A: Yes. A great advantage of a tankless water heater is its compact size. It can be placed anywhere a traditional tank water heater was, as long as it has enough combustion air.

Q: How long will my tankless water last?
A: Tankless water heaters often last 15-20 years, significantly longer than the 10-12 years of their traditional counterparts. Warranties for tankless water heaters range from 6-12 years, with some coming with a lifetime warranty.

Q: What is a “cold-water sandwich”?
A: Tankless water heaters are prone to the “cold-water sandwich” - when you turn it on, there is a burst of cold water then a stream of hot water. This is caused by water left in the pipes that has cooled down in between times you turn on the tap.

Q: Do you get instant hot water with a tankless water heater?
A: No. A lot of homeowners ask me this, but with a tankless water heater you get “never-ending” hot water, not instant hot water. It’s important to realize this before going tankless.

Q: What savings can I expect with a tankless water heater?
A: Savings vary but many reports say expect savings of up to 30% over electric water heater and 20%-30% less than a natural gas water heater.

Q: Can I install a tankless water heater myself?
A: No. Only a professional plumber should install your tankless water heater. Only a professional has the required skills to install one, which requires expertise in handling carbon monoxide, natural gas, and a pressure-controlled holding tank. These elements can be extremely dangerous if not handled properly. Also, having an untrained or unlicensed plumber install your tankless can also void your warranty. Another danger is that an improperly installation can cause damage to your tankless unit and plumbing unit.

Q: Is there a standing pilot?
A: No. Tankless water heaters ignite only when there is demand. This energy efficiency is one of the chief benefits of tankless water heaters.

Q: How much do tankless water heaters cost?
A: Tankless water heaters are more expensive than tanks, usually 2 to 2½ times more expensive. Their energy efficiency makes them worth the extra cost, especially for large families. They offer unlimited hot water, so if you have a bustling household of five or more people taking showers every morning, they are an excellent investment. Also, some tankless water heaters are eligible for federal or local tax credits, to help minimize the cost.

tankless water heater faqs