Gas tank
Fast recovery, the simplest swap where gas and a vent exist.
Choosing a water heater
Houston Water Heaters
Gas, electric, tankless or hybrid? See which suits your home and how big it should be before you replace anything.
•Four types compared
•Sizing by headcount
•Fuel-by-fuel tradeoffs
The options
Houston Water Heater Options: Tank, Tankless or Hybrid
Most homes use one of four types:
Electric tank
No vent or gas line, slower recovery.
Tankless
Gas or electric, endless hot water at its flow rate, wall-mounted.
Heat pump
An efficient electric tank that suits a warm garage.
Sizing
Water Heaters Houston TX: Choosing a Size
Size a tank by people and first-hour rating, and a tankless unit by flow rate:
- 1 to 2 people: 30 to 40 gallon tank, or a 5 to 6 GPM tankless unit
- 2 to 4 people: 40 to 50 gallons, or 7 to 9 GPM
- 4 or more: 50 gallons or larger, or 9 to 11 GPM
Gas tanks recover faster, so a 40 gallon gas tank can keep up where you would need a 50 gallon electric one.
Local factors
What Changes the Choice Here
Warm inlet water across Houston, Texas helps tankless units most of the year. Hot garages help heat pump tanks. Moderately hard water means any unit benefits from yearly flushing or descaling.
If gas is already at the water heater, gas tank or gas tankless is usually the cheapest path. Without gas, electric tank, electric tankless or a heat pump tank avoids running new pipe.
Comparing units? Get advice on the right size first.
Call (832) 783-9416Brands
Houston Hot Water Heaters: Brands You'll See
Rheem, A.O. Smith and Bradford White are common tank brands; Rinnai, Navien and Rheem are common tankless brands. Sizing and installation quality matter more than the name on the label. Your plumber can tell you which brands they carry.
For the full picture on on-demand units, see the tankless water heaters Houston TX overview.
Lifespan
How Long Each Type Lasts
Typical lifespans with basic upkeep:
- Gas or electric tank: about 8 to 12 years
- Heat pump tank: often 10 to 15 years
- Tankless: often 20 years with yearly descaling
Choosing
Before You Pick One
What size water heater do most homes need?
Many households do well with a 40 or 50 gallon tank or a tankless unit around 8 to 10 GPM.
How long do water heaters last?
Most tanks give about 8 to 12 years of service; tankless units often 20 with descaling.
Is tankless worth it?
Often, if you run out of hot water, need space or plan to stay long enough for its longer life to pay off.
Gas or electric?
Use the fuel already at the unit unless you plan upgrades; gas recovers faster.
Where does the unit come from?
The independent local plumber we connect you with supplies and installs it.
Find the Right Fit
Describe your current unit and how your household uses hot water, and we'll put you through to a local plumber in Houston, TX.