Buying Guide
6 Best Electric RV Water Heater in 2026: A Practical RV Guide
Six 6 gallon RV water heaters with electric heating compared, from gas and electric hybrids to a plug-in tank, for campers who use shore power.
By Hardcastle's RV Editors
10 min read6 products evaluated
An electric RV water heater saves propane at a campground and recovers slowly, since most RV outlets have limited amps. The best fit depends on whether you want electric only or a gas and electric hybrid.
The six picks include two Suburban 6 gallon heaters, three propane and electric hybrids and a plug-in electric tank. Gas and electric certifications are not claimed unless a listing names them.
Hardcastle’s RV field notes
The Rig Fit Check
A quick way to connect the shortlist to the space, workload and ownership details that matter after the box arrives.
- Start with the job
- Suburban SW6DE 6-Gallon RV Water Heater leads this shortlist for Suburban replacements. Use that fit as a reference point, then compare the alternatives against your own space and workload.
- Specs that separate the picks
- The first details to compare are 6 gallon Suburban DSI, 6 gallon propane and electric. Confirm the exact model and included components before ordering.
- Trade-off to plan for
- Needs correct cutout size
The Practical Shortlist
A road-tested-thinking look at 6 options, organized around the job each one suits best.
Best Overall
Suburban SW6DE 6-Gallon RV Water Heater
Suburban replacements
Our take Check price for Suburban SW6DE 6-Gallon RV Water Heater (opens in a new tab)
Best Gas-Only Base Model
Suburban SW6D 6-Gallon RV Water Heater
Propane-first rigs
Our take Check price for Suburban SW6D 6-Gallon RV Water Heater (opens in a new tab)
Best Hybrid with Interior Control
CAMPLUX 6 Gallon RV Water Heater
Hybrid drop-ins
Our take Check price for CAMPLUX 6 Gallon RV Water Heater (opens in a new tab)
Best Color Match Hybrid
CAMPLUX 6 Gallon RV Water Heater
Black door panels
Our take Check price for CAMPLUX 6 Gallon RV Water Heater (opens in a new tab)
Best Hybrid with Remote
KINGRVER 6 Gallon RV Tank Water Heater
Remote-control hybrids
Our take Check price for KINGRVER 6 Gallon RV Tank Water Heater (opens in a new tab)
Best Plug-In Electric
VEVOR Electric Tank Water Heater
Plug-in boosters
Our take Check price for VEVOR Electric Tank Water Heater (opens in a new tab)
Why Each Pick Made the Cut
Best Overall1 of 6
Suburban SW6DE 6-Gallon RV Water Heater on Amazon (opens in a new tab)
Choose Suburban SW6DE 6-Gallon RV Water Heater for includes electric heating option.
Best for
- Suburban replacements
Why it made the shortlist
Suburban SW6DE is a 6 gallon RV heater with direct spark ignition and an electric element. The listing says it has a porcelain-lined steel tank, a replaceable anode rod and a flue tube design that slows combustion for better heat transfer.
Against Suburban SW6D, it adds the electric element. Against CAMPLUX 6 Gal, it is a Suburban replacement with an anode rod.
It is the best match for owners who want a Suburban-style heater with an electric element. Think of it as the pick for suburban replacements.
Key dimensions & specs
- 6 gallon Suburban DSI
- Electric element
- Porcelain-lined tank, anode rod
Pros
- Includes electric heating option
- Porcelain-lined steel tank
- Replaceable anode rod
- Flue tube design for heat transfer
Cons
- Needs correct cutout size
Best Gas-Only Base Model2 of 6
Suburban SW6D 6-Gallon RV Water Heater on Amazon (opens in a new tab)
Suburban SW6D 6-Gallon RV Water Heater makes the shortlist because optional electric element.
Best for
- Propane-first rigs
Why it made the shortlist
Suburban SW6D is the 6 gallon direct spark ignition model. The listing says an electric element is optional and it has the same porcelain-lined tank and anode rod.
Against KINGRVER 6 Gal, it is gas first.
It suits owners who mostly use propane and want to add electric later. Buyers focused on propane-first rigs will find it a sensible match.
Key dimensions & specs
- 6 gallon Suburban DSI
- Optional electric element
- Porcelain-lined tank
Pros
- Optional electric element
- Replaceable anode rod
- Porcelain-lined steel tank
Cons
- Electric element is optional
- Needs correct cutout size
Best Hybrid with Interior Control3 of 6
CAMPLUX 6 Gallon RV Water Heater on Amazon (opens in a new tab)
The strongest case for CAMPLUX 6 Gallon RV Water Heater is three heating modes.
Best for
- Hybrid drop-ins
Why it made the shortlist
CAMPLUX 6 Gallon is a propane and electric hybrid, a drop-in for most Suburban and Dometic 4 to 6 gallon heaters in 13 by 13 inch cutouts. The listing says you can switch modes and set temperature from inside the RV.
Against CAMPLUX Black, it is the white version. Against Suburban SW6DE, it adds an interior control panel.
It suits owners who want hybrid heating in a drop-in. It earns its slot for hybrid drop-ins.
Key dimensions & specs
- 6 gallon propane and electric
- Interior control panel
- 13 x 13 inch cutout fit
Pros
- Three heating modes
- Controls from inside the RV
- Porcelain-lined tank with anode rod
- Fits most 4 to 6 gallon cutouts
Cons
- Check cutout and venting fit
Best Color Match Hybrid4 of 6
CAMPLUX 6 Gallon RV Water Heater on Amazon (opens in a new tab)
CAMPLUX 6 Gallon RV Water Heater is the better fit when black door panels.
Best for
- Black door panels
Why it made the shortlist
CAMPLUX Black is the black version of the 6 gallon hybrid heater with three modes and one-click temperature settings from an interior panel. It is a direct replacement for most Suburban and Dometic 4 to 6 gallon models.
Against CAMPLUX White, it matches black door panels. Against KINGRVER 6 Gal, it has an interior panel.
It suits black access doors. It is a natural fit for black door panels.
Key dimensions & specs
- 6 gallon hybrid, black
- Three heating modes
- One-click temperature
Pros
- Black finish
- Interior control panel
- Porcelain-lined tank with anode
- Direct replacement for most 4 to 6 gallon units
Cons
- Costs a little less than the white version
- Check cutout and venting fit
Best Hybrid with Remote5 of 6
KINGRVER 6 Gallon RV Tank Water Heater on Amazon (opens in a new tab)
Choose KINGRVER 6 Gallon RV Tank Water Heater for gas, electric or hybrid modes.
Best for
- Remote-control hybrids
Why it made the shortlist
The listing says gas mode uses 12 volt DC ignition and it is compatible with common Suburban, Atwood and Dometic setups.
Against CAMPLUX White, it includes a remote controller. Against Suburban SW6DE, it adds hybrid mode.
It suits owners who want a remote-controlled hybrid. Think of it as the pick for remote-control hybrids.
Key dimensions & specs
- 6 gallon hybrid
- Remote 104 to 140°F
- 12V DC gas ignition
Pros
- Gas, electric or hybrid modes
- Remote controller included
- Four-layer tank construction
- Fits common 4 to 6 gallon setups
Cons
- Needs 3 inches of added clearance
- Check cutout and venting fit
Best Plug-In Electric6 of 6
VEVOR Electric Tank Water Heater on Amazon (opens in a new tab)
VEVOR Electric Tank Water Heater makes the shortlist because overheat and overpressure protection.
Best for
- Plug-in boosters
Why it made the shortlist
VEVOR 6 Gallon is a 1600 watt point-of-use electric tank heater with an enamel interior and a rotary temperature knob. The listing says it suits single apartments and RVs and has dry-heat, overheat and overpressure protection.
Against Suburban SW6DE, it is a plug-in unit.
It suits owners who want a small plug-in tank. Buyers focused on plug-in boosters will find it a sensible match.
Key dimensions & specs
- 6 gallon, 1600W electric
- Enamel interior
- Dry-heat protection
Pros
- Overheat and overpressure protection
- Rotary temperature knob
- Small footprint
Cons
- Electric only, needs an outlet
- Not a drop-in for RV cutouts
How We Built This Shortlist
Each pick was assessed across 5 criteria weighted for real-world use.
- Fuel modes
- We separated electric-only, gas-only and hybrid heaters.
- Cutout fit
- Drop-in fit notes were compared.
- Controls
- Interior panels and remotes were compared.
- Tank build
- Porcelain lining and anode rods were compared.
- Certifications
- Named certifications were repeated only if a listing states them.
What Matters Before You Choose an Electric RV Water Heater
Key buying criteria so you get the right fit the first time.
Fuel modes
A hybrid runs on propane, electric or both, while electric-only needs an outlet. Choose by how often you camp with hookups. Check the listed modes.
Cutout fit
A drop-in must fit the 13 by 13 inch cutout. KINGRVER needs added clearance. Measure before buying.
Anode rod
A replaceable anode rod slows tank corrosion. Suburban and CAMPLUX list one. Look for it and plan to replace it.
Recovery and amps
Electric heating recovers slowly and draws amps. A shared 30 amp circuit limits other loads. Check the wattage.
Controls
An interior panel or remote saves a trip outside. CAMPLUX and KINGRVER list them. Check the control type.
Installation
Gas appliances need proper venting and gas connections. Follow the maker's manual. Check codes and certifications named on the listing.
Match an Electric RV Water Heater to Your RV
By Preference
| Your situation | Recommended pick | Why |
|---|---|---|
| Suburban with electric element | Suburban SW6DE | Includes element. |
| Low cost, add electric later | Suburban SW6D | Optional element. |
| Interior control, white | CAMPLUX White | Interior panel. |
| Interior control, black | CAMPLUX Black | Black finish. |
| Remote control | KINGRVER 6 Gal | Remote 104 to 140°F. |
Scroll sideways to see every column.
By Budget
| Budget | Recommended pick |
|---|---|
| $140 to $400 | VEVOR 6 Gal or CAMPLUX Black |
| $390 to $440 | KINGRVER 6 Gal or CAMPLUX White |
| $440 to $500 | Suburban SW6D or Suburban SW6DE |
Hybrid vs Electric-Only
- Hybrid
- CAMPLUX White, CAMPLUX Black and KINGRVER 6 Gal use propane, electric or both.
- Electric-only
- VEVOR 6 Gal needs an outlet and is not a cutout drop-in.
Most owners should choose a hybrid like CAMPLUX White, and VEVOR 6 Gal only as a plug-in booster.
By Budget
| Budget | Recommended pick |
|---|---|
| Lowest cost | VEVOR 6 Gal |
| Low cost | Suburban SW6D |
| Mid cost | KINGRVER 6 Gal |
| Higher | Suburban SW6DE |
For Campground Hookups Specifically
- Look for
- An electric mode with a clear control, as on CAMPLUX White.
- In this comparison
- CAMPLUX White and KINGRVER 6 Gal list electric modes. Check that your pedestal amps can handle the heater and other loads.
When to Spend More
- Spend more if
- Spend more on Suburban SW6DE or CAMPLUX White for a known brand or interior controls.
- Save if
- Save with Suburban SW6D or VEVOR 6 Gal for basic needs.
Before You Bring One Home
Can I add electric to a gas heater?
Some, via an element. Suburban SW6D lists an optional element.
What is the common mistake?
Ignoring cutout size. Measure the opening.
Is Suburban worth more than CAMPLUX?
For a Suburban design with an anode rod, yes. CAMPLUX White adds interior control.
How do I switch modes?
Use the interior panel or remote where listed. Follow the manual.
How often should I replace the anode rod?
Inspect it yearly and replace it when it is mostly consumed. A spent rod leaves the tank to corrode.
Bottom Line
Best overall: Suburban SW6DE 6-Gallon RV Water Heater — best overall pick in this roundup. See the full verdicts above for every pick, with pros, cons and who each one suits.
Browse all electric rv water heater on Amazon — Prime-eligible options with current pricing.