How Much Does It Cost to Install an Instant Hot Water Faucet?

Warm or, better yet, really hot water can help ensure stains from berries, turmeric or red wines don't set in your favorite tea towels. But after you've cleaned up a quick spill, you'll have to wait for the water from the kitchen tap to get hot. That's not the case if you have an instant hot water faucet installed.

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What Is an Instant Hot Water Faucet?

An instant hot water tap is one that generates immediately hot water that's close to boiling point — although you can set the desired temperature to a lower point if you want. Many people who install these fixtures do so with an eye toward convenience, so they want very hot water that's suitable for brewing a cup of tea without having to boil water on the stove or in an electric kettle.

This instant hot water is achieved by installing a small water tank with an electric heating element. In a kitchen space, this is typically placed under the sink. It's then connected to a small extra tap that's installed in the sink, but you might also run this tap to other areas of the kitchen. Some people enjoy having a tap near the stove for the purpose of filling pots.

How Much Does It Cost to Have an Instant Hot Water Faucet Installed?

If you want to have a professional install an instant hot water system in your kitchen, you'll end up paying for the cost of the unit and materials as well as the labor. How much the labor costs depends primarily on how much time it takes to complete the job. Simply installing a basic instant hot water tap system in a kitchen sink that's already outfitted with the holes to accept the fixture may take an hour or less. Complex jobs that require modifying an existing sink or running a longer pipe to install the tank farther away from the fixture than expected can take longer and cost more.

HomeGuide says, typically, plumbers charge between $45 and $150 per hour (CAD 62 and CAD 207) depending on where you live, when you want them to work and the competition in your area. It can be a good idea to call around and get a few quotes to ensure you're getting a decent deal before you choose a professional to install your new faucet.

When you add in the cost of the unit, you might pay between $400 and $800 (CAD 550 and CAD 1,100) total for a new instant hot water faucet.

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How Much Does It Cost to DIY?

If you feel comfortable installing an instant hot water faucet yourself, you can save on the installation costs. You can buy an instant hot water tap kit that includes the tank, electric component and fixture at hardware stores or home improvement stores such as Lowe's or Home Depot. According to product listings at The Home Depot, prices for these products range from around $280 to $600 (CAD 384 to CAD 825) depending on how big a tank you want and what other features you might like. Some kits may also come with hardware, while others require you to source plumbing hardware and pipe yourself.

Because these units are sold in kit format, you don't necessarily need to be an accomplished plumber to install one. However, you should consider all the factors related to this project, such as the need to tap into your existing water lines and the potential modifications you may need to make to an existing sink or fixture. While you can save several hundred dollars or more by doing this job yourself, if you end up creating a leak or other plumbing issue, you might find yourself out thousands on future repair bills.