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Best Gas Water Heaters

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108 listings

Joolca HOTTAP
  • Award Winner 2020
  • 2019
  • 2018

Gas Continuous Hot Water SystemsJoolca HOTTAP · includes 2 listings

4.6 from 240 reviews

Latest review: Originally purchased from RTM in July 2022, super easy to set up & used it a few times on camping trips & absolutely love it. While out on a trip an unfortunate accident happened after setting it up



  • Temperature Consistency
    4.3 (42)
  • Heating Speed
    4.5 (42)
  • Build Quality
    4.4 (45)
  • Value for Money
    4.4 (44)
  • Cleaning & Maintenance
    4.7 (41)
  • Noise Level
    4.7 (40)
  • Smells of GasYes (0) · No (42)
Dux Prodigy 4

Gas Hot Water Storage SystemsDux Prodigy 4 · includes 5 listings

4.2 from 68 reviews

Latest review: We purchased from Bunnings couple of days before lockdown. Installation technician came on time and finished the job nice and tidy within a day. He was so helpful and patient to answer all my

  • Temperature Consistency
    5.0 (46)
  • Heating Speed
    4.9 (46)
  • Build Quality
    4.9 (43)
  • Value for Money
    4.9 (47)
  • Cleaning & Maintenance
    4.8 (38)
  • Noise Level
    4.9 (45)
  • Smells of GasYes (0) · No (48)
Dux Always Hot Continuous Flow
  • Award Winner 2020

Gas Continuous Hot Water SystemsDux Always Hot Continuous Flow · includes 20 listings

4.6 from 28 reviews

Latest review: So far so good. Unit is working great. No issues so far. Got unit 20/02/20. Whole experience was amazing from ordering to installation. Just happy to have hot water

  • Temperature Consistency
    4.5 (15)
  • Heating Speed
    4.1 (14)
  • Build Quality
    4.9 (15)
  • Value for Money
    4.4 (16)
  • Cleaning & Maintenance
    4.8 (12)
  • Noise Level
    4.8 (15)
  • Smells of GasYes (1) · No (6)
Rinnai Infinity Range

Gas Continuous Hot Water SystemsRinnai Infinity Range · includes 10 listings

3.1 from 199 reviews

Latest review: Model Rinnai B26 A2626WB-50-AK This unit is COLD, 20 degree day & I just had an only hot water shower & did not get warm at all from my COLD supply of water. I will have to purchase a thermometer &

  • Temperature Consistency
    2.3 (13)
  • Heating Speed
    2.6 (13)
  • Build Quality
    3.2 (12)
  • Value for Money
    2.4 (13)
  • Cleaning & Maintenance
    3.9 (9)
  • Noise Level
    3.9 (11)
  • Smells of GasYes (2) · No (12)
Vulcan Freeloader Gas Hot Water System

Gas Hot Water Storage SystemsVulcan Freeloader Gas Hot Water System · includes 2 listings

3.7 from 25 reviews

Latest review: Not happy only lasted us 6 years tank rusted through will not buy one again you would think it would of lasted 10 years minimum to be satisfied with



  • Temperature Consistency
    5.0 (1)
  • Heating Speed
    5.0 (1)
  • Build Quality
    1.0 (1)
  • Value for Money
    1.0 (1)
  • Cleaning & Maintenance
    3.0 (1)
  • Noise Level
    5.0 (1)
  • Smells of GasYes (0) · No (1)
Rheem Stellar/RheemPlus 5 Star

Gas Hot Water Storage SystemsRheem Stellar/RheemPlus 5 Star · includes 5 listings

2.6 from 99 reviews

Latest review: Installed in 2012 by Celebration Homes. The pilot light kept going out shortly after moving in, the thermostat was replaced under warranty and the controller reinstalled correctly to allow the front

  • Temperature Consistency
    4.4 (9)
  • Heating Speed
    4.9 (8)
  • Build Quality
    4.1 (9)
  • Value for Money
    4.8 (8)
  • Cleaning & Maintenance
    4.8 (8)
  • Noise Level
    4.9 (8)
  • Smells of GasYes (0) · No (8)
Thermann Gas Continuous Flow

Gas Continuous Hot Water SystemsThermann Gas Continuous Flow · includes 3 listings

3.0 from 32 reviews

Latest review: This unit was promised to be the best you can get obviously Reece have an agenda to push this crap on to people and also rip them off. This unit behaves just like the rest of the people have posted

  • Temperature Consistency
    2.8 (12)
  • Heating Speed
    3.0 (12)
  • Build Quality
    3.1 (9)
  • Value for Money
    2.8 (10)
  • Cleaning & Maintenance
    3.1 (7)
  • Noise Level
    3.4 (9)
  • Smells of GasYes (6) · No (6)
Dux Prodigy 5

Gas Hot Water Storage SystemsDux Prodigy 5 · includes 10 listings

2.4 from 127 reviews

Latest review: When my Rinnai water heater finally stopped working after about 18 years, I got a Dux Prodigy 5 installed in 2014 for $1500. It started failing the next day with the pilot light keep on going out.

  • Temperature Consistency
    3.7 (55)
  • Heating Speed
    3.8 (55)
  • Build Quality
    3.1 (55)
  • Value for Money
    3.2 (55)
  • Cleaning & Maintenance
    3.3 (46)
  • Noise Level
    3.8 (49)
  • Smells of GasYes (11) · No (43)
Quantum Energy AC4 Series

Gas Hot Water Storage SystemsQuantum Energy AC4 Series · includes 5 listings

2.5 from 56 reviews

Latest review: Had this repaired over 5 time already in the past 2 years. With that amount of money may a well have spent it on another hot water system. Customer service was not helpful at all either. Would not



  • Temperature Consistency
    2.0 (7)
  • Heating Speed
    2.2 (6)
  • Build Quality
    1.0 (8)
  • Value for Money
    1.1 (8)
  • Cleaning & Maintenance
    1.0 (8)
  • Noise Level
    1.9 (7)
  • Smells of GasYes (1) · No (8)
AquaMAX G390SS

Gas Hot Water Storage SystemsAquaMAX G390SS

2.7 from 39 reviews

Latest review: I have my Aquamax since 1990 and never missed a beat that is twice as long as most HWS and still working now but smelling some unburnt gas, so now getting another

  • Temperature Consistency
    4.0 (1)
  • Heating Speed
    5.0 (1)
  • Build Quality
    5.0 (1)
  • Value for Money
    5.0 (1)
  • Cleaning & Maintenance
    5.0 (1)
  • Noise Level
    5.0 (1)
Rinnai B26

Gas Continuous Hot Water SystemsRinnai B26

2.7 from 18 reviews

Latest review: A lot of cold water is wasted waiting for the hot water to flow through the taps. Very disappointed given we consciously make the effort to minimise our water

  • Temperature Consistency
    3.8 (6)
  • Heating Speed
    2.3 (8)
  • Build Quality
    3.3 (6)
  • Value for Money
    2.7 (6)
  • Cleaning & Maintenance
    3.4 (5)
  • Noise Level
    2.7 (7)
  • Smells of GasYes (0) · No (8)
Bosch HydroPower

Gas Continuous Hot Water SystemsBosch HydroPower · includes 3 listings

1.7 from 273 reviews

Latest review: judging by the comments i have to agree with all of the complaints because mine has the same issues as everyone else takes ages to warm up, never gets warm, sometime get warm, then get cold warms up

  • Temperature Consistency
    2.3 (14)
  • Heating Speed
    2.3 (14)
  • Build Quality
    2.2 (13)
  • Value for Money
    1.8 (13)
  • Cleaning & Maintenance
    1.9 (9)
  • Noise Level
    3.0 (9)
  • Smells of GasYes (1) · No (12)
Rheem Continuous Flow

Gas Continuous Hot Water SystemsRheem Continuous Flow · includes 21 listings

1.8 from 78 reviews

Latest review: I recently had issues with my Rheem Pronto 12 so I had it replaced with a Rheem 12. Great decision because it works perfectly. My other Rheem kept having issues but Rheem support did their best to

  • Temperature Consistency
    3.5 (2)
  • Heating Speed
    5.0 (1)
  • Build Quality
    2.3 (3)
  • Value for Money
    2.0 (4)
  • Cleaning & Maintenance
    4.0 (2)
  • Noise Level
    3.0 (2)
  • Smells of GasYes (1) · No (1)
Bosch Pilot Ignition

Gas Continuous Hot Water SystemsBosch Pilot Ignition · includes 2 listings

2.4 from 15 reviews

Latest review: The thermocouple for this appliance dies every 12 months or so forcing you to replace it at a cost of around $100, and which isn't always the easiest to

  • Temperature Consistency
    3.0 (2)
  • Heating Speed
    4.0 (2)
  • Build Quality
    2.5 (2)
  • Value for Money
    3.5 (2)
  • Cleaning & Maintenance
    3.0 (1)
  • Noise Level
    3.5 (2)
  • Smells of GasYes (0) · No (2)
Chromagen Eternity 26

Gas Continuous Hot Water SystemsChromagen Eternity 26

2.6 from 11 reviews

Latest review: I have had a Eternity 20 for about 10 years, one day it became "temperamental". I read all the BAD reviews and concluded that there was nothing intyrinsically wrong with the hot water system, the

  • Temperature Consistency
    5.0 (1)
  • Heating Speed
    4.0 (1)
  • Build Quality
    5.0 (2)
  • Value for Money
    5.0 (2)
  • Cleaning & Maintenance
    5.0 (2)
  • Noise Level
    5.0 (2)
  • Smells of GasYes (0) · No (1)
Dux Prodigy 3

Gas Hot Water Storage SystemsDux Prodigy 3 · includes 4 listings

1.9 from 23 reviews

Latest review: As a 33 year experienced and Licensed Plumber and Licensed Gas fitter you get loyal combustion over the expectations of 7 years before replacing the unit. Commissioning of the unit is the key. Peter

  • Temperature Consistency
    5.0 (1)
  • Heating Speed
    5.0 (1)
  • Build Quality
    3.7 (3)
  • Value for Money
    3.7 (3)
  • Cleaning & Maintenance
    3.0 (2)
  • Noise Level
    5.0 (1)
  • Smells of GasYes (0) · No (2)
Rheem Metro

Gas Continuous Hot Water SystemsRheem Metro · includes 6 listings

2.3 from 11 reviews

Latest review: It broke down under 5 years. I emailed Rheem. No warranty cover at all. They sent me a service man to check. There is nothing he can do. I was asked to get a new

  • Temperature Consistency
    5.0 (3)
  • Heating Speed
    4.3 (3)
  • Build Quality
    4.0 (4)
  • Value for Money
    4.0 (4)
  • Cleaning & Maintenance
    5.0 (2)
  • Noise Level
    4.7 (3)
  • Smells of GasYes (0) · No (3)
Bosch Optiflow Professional

Gas Continuous Hot Water SystemsBosch Optiflow Professional · includes 3 listings

1.1 from 45 reviews

Latest review: The unit takes for ever to heat up and water and gas bill was much higher then normal. Temperature fluctuates from hot to almost cold and hot again. Tried on numerous devices to connect and never

  • Temperature Consistency
    1.9 (20)
  • Heating Speed
    1.4 (20)
  • Build Quality
    1.7 (16)
  • Value for Money
    1.1 (16)
  • Cleaning & Maintenance
    1.5 (14)
  • Noise Level
    1.3 (16)
  • Smells of GasYes (8) · No (11)
Thermomate Gas Hot Water Heater Portable Shower Camping LPG Instant 4WD Outdoor

Gas Hot Water Storage SystemsThermomate Gas Hot Water Heater Portable Shower Camping LPG Instant 4WD Outdoor

5.0 from 1 review

Latest review: We moved in to temporary accommodation until our new house is built only to realize there was no hot water! What I mean is the electric hot water heater had been removed leaving only the water

Smarttek Black Smart Hot Water System

Gas Continuous Hot Water SystemsSmarttek Black Smart Hot Water System

4.7 from 6 reviews

Latest review: Was using this unit in my mobile pet grooming van. It is easy to use and being able to adjust water flow and temperature easily is great. When it works it is great but the unit cannot be mounted and

  • Temperature Consistency
    5.0 (6)
  • Heating Speed
    5.0 (6)
  • Build Quality
    4.8 (6)
  • Value for Money
    4.8 (6)
  • Cleaning & Maintenance
    5.0 (6)
  • Noise Level
    5.0 (6)
  • Smells of GasYes (0) · No (6)
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