Explain water heater options by the conditions that decide between them in a particular house: the fuel and electrical service available, where the heater sits and how it vents, how much hot water the household uses, and whether the replacement is an emergency or planned. Say which types the company installs and services and how the plumber evaluates them on a visit, and leave efficiency figures to the manufacturer's label and official sources.
Water heater pages tend to come in two shapes. One is a list of brands and models. The other is a push toward whatever the company most wants to install, with a line about savings. Neither helps a homeowner whose tank failed this morning, and neither helps one planning ahead who wants to understand the choice before anyone visits.
This is a content-planning question for plumbing owners and marketing leads, not advice to homeowners about which water heater to buy. Gas, venting, and electrical work carry safety and code requirements that vary by jurisdiction, and the page should leave those to your licensed plumbers. Our plumbing content overview covers the wider set of plumbing questions.
Start with what decides the choice in a real house
Ask your service manager what they check before recommending a type, and the list will look less like a catalog than a site survey. Is gas available? Is there room, and the right kind of room? How does the current unit vent? Does the electrical panel have capacity for an electric option? How many people live there, and do they run showers back to back? A model list is not a comparison. The page earns its place when it explains how those conditions point toward one option or rule another out.
The Department of Energy's Energy Saver pages frame the choice in the same practical terms. They say, "When buying a new water heater, bigger is not always better." They pitch different types at different situations: "A tankless water heater might be the right choice for your small household," and "If you live in a warm place, a heat pump might be your ticket to lower energy bills." Those are general statements written for a national audience. Your plumbers decide what fits a given basement or garage.
Use the official installation notes as prompts
ENERGY STAR's page on heat pump water heaters, which it says are "also commonly referred to as Hybrid Electric water Heaters," lists conditions a homeowner may never have considered. It says they "should be installed in interior spaces that remain between 40° to 90° F year-round" and should "provide 1,000 cubic feet of air space around the water heater." It adds that they "can cool the spaces they are in," may need to go "temporarily into a back-up standard electric water heating mode" in colder months, may take longer to install than a standard water heater, and "may also require annual maintenance, including changing air filters."
Those notes make good prompts because they turn a product into questions about the house. Ask the plumbers who install them: "When we talk someone out of a heat pump water heater, what is the reason, and do we say it the same way every time?" The answer, approved and in their words, tells a homeowner more than another list of benefits, and it shows the company will say when an option does not fit.
Leave efficiency claims to the label
Water heaters carry federal labeling requirements that affect how a page should handle efficiency. The FTC's Energy Labeling Rule, 16 CFR Part 305, lists water heaters among covered consumer appliance products, and it requires that "the manufacturer must make a copy of the label available on a publicly accessible website." When a homeowner wants an energy figure, link the manufacturer's label for that model rather than paraphrasing it.
The same rule reaches some sellers' websites. It defines a catalog as "printed material, including material disseminated over the Internet," that contains terms of sale, a retail price, and ordering instructions, and section 305.27 requires such listings to show, "for each model, a recognizable and legible image of the label required for that product by this part." If your site lists water heater models with prices and a way to order, ask counsel whether that section applies. A page that explains types without priced model listings is a different kind of page, but confirm that with counsel too.
Write the options as a comparison, not a pitch
Once the conditions are clear, the options can be laid out side by side, with the company's reasons attached. Here is a hypothetical version for a fictional plumbing company in New Mexico.
| Option | When this company tends to raise it | What the page explains | What stays off the page |
|---|---|---|---|
| Like-for-like tank replacement | The old tank failed and the household needs hot water quickly | How soon the company can replace it, what the visit includes, and what happens to the old unit | Promises about how long the new one will last |
| Tankless gas | A planned replacement where gas is available and space is tight | What the plumber checks about gas supply and venting | Savings figures not taken from the model's label |
| Heat pump | A planned replacement with a suitable space and electric service | The space and temperature conditions and the backup mode | Claims stronger than ENERGY STAR's own wording |
| Types the company does not install | When a homeowner asks | That the company does not install them, and whether it services them | Any suggestion that the type is a poor choice |
The middle columns are fictional and only show the shape. Nobody drafting this table should have to guess when your plumbers recommend tankless over a tank; that judgment lives with them, and the page should carry their reasons in their words once the owner approves them.
Urgency changes the page too. A homeowner with no hot water is not comparing efficiency; they want to know how quickly the company can come and whether it carries common sizes. Put that answer first and the decision content below it. Our page on repair or replace content that explains your judgment covers the step before this one, when the question is whether the old unit can be saved. Where a permit applies to water heater work in your area, link your permit process page rather than restating it.
In Hudson South's four steps, the Authority Asset holds the company's installation criteria, the types it installs, and its approved wording. Hudson Twenty-One records how your plumbers explain the choice, across 21 dimensions, so the page sounds like the conversation in the utility room. Market Intelligence researches what homeowners in your market ask about water heaters and how competing plumbers answer. AEO Creation writes the answer-first pages. The same approach runs across every trade in our home services and trades section.
See how your water heater pages compare
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- Water Heating. US Department of Energy, Energy Saver. Read 2026-10-16.
- Heat Pump Water Heaters. ENERGY STAR. Read 2026-10-16.
- 16 CFR Part 305, Energy Labeling Rule. Electronic Code of Federal Regulations. Read 2026-10-16.
- 16 CFR 305.27, Paper catalogs and websites. Electronic Code of Federal Regulations. Read 2026-10-16.