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View on YelpThe water heater aisle, explained
Every water heater type has a best use.
Start with the building, demand, fuel, space, and budget. Then choose equipment. These guides explain where each type fits, what it requires, and what can make it a poor match.
Compare your options
Water heater types and fuel choices
Tank and tankless describe how hot water is delivered. Gas and electric describe the energy source. Some choices overlap, so use the pages together.
tank water heater
Choose, repair, or replace a storage-tank water heater based on usable hot water, recovery rate, fuel, installation space, and the demands of your household or property.
Read the practical guide
tankless water heater
Evaluate tankless water heater installation, repair, and replacement using peak flow, temperature rise, gas or electrical capacity, venting, water quality, and maintenance needs.
Read the practical guide
gas water heater
Repair, replace, or plan a gas water heater with attention to burner performance, gas supply, combustion air, venting, recovery, safety controls, and actual hot-water demand.
Read the practical guide
electric water heater
Diagnose or replace an electric water heater by checking elements, thermostats, controls, electrical capacity, recovery, tank condition, and the building's hot-water pattern.
Read the practical guide
heat-pump water heater
See whether a hybrid heat-pump water heater fits your property by reviewing room volume, temperature, noise, condensate drainage, electrical service, recovery, and backup heating modes.
Read the practical guidepoint-of-use water heater
Use a compact point-of-use water heater for a remote sink or small demand when long pipe runs, limited use, or a specialized fixture makes a whole-building change unnecessary.
Read the practical guide
commercial water heater
Repair, replace, and plan commercial water-heating systems around peak demand, required temperatures, fuel and electrical capacity, redundancy, sanitation needs, access, and operating hours.
Read the practical guideStart with demand
Do not shop by gallons or marketing claims alone.
- List fixtures and equipment that may use hot water together.
- Confirm gas, electrical, venting, drainage, and installation space.
- Compare first-hour rating for tanks and flow at the required temperature rise for tankless.
- Account for Phoenix Valley hard water and realistic maintenance.
- For businesses, include required temperatures, operating hours, redundancy, and outage cost.
Get help
Ask a water heater specialist
Tell us what you have now, what is not working, how the property uses hot water, and whether you are considering a different type.
Useful details help us respond correctly.
Share as much as you know. Optional contact and job details can speed up routing and scheduling.