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Before You Hire a Plumber

Planning / WaterSense fixtures or Standard fixtures

WaterSense or standard fixtures?

WaterSense fixtures are the sensible default when you are replacing anyway. EPA says the label means 20 percent more efficient with equal performance. Standard fixtures make sense when no labeled model fits the look, or the price gap is too wide on your quote.

Find your line

Shower head and valve on blue tiled wall
A shower with blue tile.

How do the labeled numbers compare?

WaterSense fixturesStandard fixtures
Toilet1.28 gallons per flush or less1.6 gallons per flush, federal standard
Bathroom faucet1.5 gpm maximum; EPA has a draft to lower it2.2 gpm
Showerhead2.0 gpm or less2.5 gpm
Dollar savingsNo dated figure foundNo dated figure found
Performance claimEPA says it performs as wellBaseline
Efficiency claim20 percent more efficient, EPA saysBaseline

Sources for this table: EPA toilets, EPA faucets, EPA showerheads, EPA statistics

When would the standard model be the better call?

Does the label pay for itself?

No dated figure for fixture prices or dollar savings was found for this page, so the sums here stay in gallons. Your water rate decides what a gallon costs, and it appears on your water bill. Take the flow difference, estimate your use, and multiply. That gives you a real local number, which is more useful than a claimed average.

Labor is the same either way if the fixture is similar. For a rough idea, a survey summary on Bob Vila dated June 2023, which draws on HomeAdvisor, gives flat fees for basic jobs around $100 to $400 and $45 to $200 hourly. It is a 2023 national snapshot, so prices where you live may differ and may have climbed.

To see fixture types before a quote arrives, browse the tub and shower faucets listed by Plumbing Supply and More, which is run by the same team as this site, for an idea of the styles. Check any model for the label yourself. Buying there is not required, and the plumber's parts or yours helps you decide who should supply it.

Small bathroom with a vanity and toilet
An ordinary small bathroom with a vanity and toilet.

Who fits it, and does it need a permit?

Both kinds of fixture usually go in the same way, so the question is who does the work and what your city asks. Rules differ. In Portland, Oregon, new fixtures need a permit, and so do replacements with concealed plumbing connections. Elsewhere the line may fall in another place; see permit or no permit.

Licensing also varies by state. In Washington, plumbers must be state certified. Texas and Illinois license plumbers at state level too, and state rules gathers what is known for other places. Ask your plumber to write the model number and its flow rating on the estimate, so what arrives matches what you agreed.

Words to use

"Is the model on this quote WaterSense labeled, and what is its flow rate?"

"Please write the model number and its gallons per flush on the estimate."

"Is there a labeled option in this finish, and what is the price difference?"

"Will replacing this involve concealed connections that would need a permit here?"

Also asked

Do WaterSense toilets flush worse than standard ones?
EPA says the label means a product performs as well as standard models while being 20 percent more water-efficient. That is the program's claim, and this site has no separate performance data. Ask your plumber about the specific model on your quote.
How much water does a WaterSense showerhead save?
The labeled limit is 2.0 gallons per minute against a 2.5 standard, so half a gallon a minute at those maximums. Your actual saving depends on your current head and how long showers run. A timer and your bill will tell you more.
Is it worth replacing working fixtures just for the label?
This site's judgement is usually no, unless the fixture leaks or is near replacement anyway. Fix leaks first, given EPA's household leak numbers. For wider decisions on old pipes behind those fixtures, see repair or repipe.
Next decision in planningPay a deposit or none at all?

Sources

  1. WaterSense Statistics and Facts, EPA 20 percent claim and household leak figures
  2. Residential Toilets, EPA Gallons per flush comparison
  3. Bathroom Faucets, EPA Faucet flow limits and draft change
  4. Showerheads, EPA Showerhead flow limits
  5. Residential Permits, Portland New fixture and concealed connection rule
  6. Washington Plumber Certification State certification requirement
  7. Plumber cost roundup, Bob Vila Basic job flat fees and hourly rates