The Hills ESTEEM™II combines evacuated tubes with a stainless steel storage tank. The result is a solar hot water system that delivers exceptional heating efficiency and outstanding durability.
The Hills ESTEEM™II will cover up to 90% of the average households annual hot water heating requirements, the remaining 10% of the year you can rely on your LPG or Natural Gas booster.
No other solar hot water system - flat panels or evacuated tubes - can match this outstanding performance.
Hills ESTEEM™II gas boosted solar hot water systems use continuous flow gas boosters, delivering up to 20 or 26 litres of hot water per minute.
The Hills Solar stainless steel storage tank is not only lighter and tougher than equivalent mild steel tanks, it's also recyclable and exceeds the Australian Minimum Energy Performance Standards heat loss requirements.
There are many size combinations available within the ESTEEM™II range, please see a selection including prices of our most popular gas boosted options below. To discuss further options please contact us.
Click here to see electric boosted options.

Hills ESTEEM™II - HS-265-20NG-22 or HS-265-20LP-22
Product Description:
250 litre stainless steel storage tank, Natural or LPG Gas boosted 20 litres per minute
+ 22 tube solar collector - suitable for up to 2-4 people.
| HS-265-20NG-22 or HS-265-20LP-22 |
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| Full upfront cost | $5,499.00 | ||
| Federal Gov rebate | $1,000.00 | ||
| REC’s @ $29 | 26 | $754.00 | |
| *Cost after rebates | $3,745.00 | ||
Hills ESTEEM™II - HS-330-20NG-22 or HS-330-20LP-22
Product Description:
315 litre stainless steel storage tank, Natural or LPG Gas boosted 20 litres per minute
+ 22 tube solar collector - suitable for up to 3-5 people.
| HS-330-20NG-22 or HS-330-20LP-22 |
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| Full upfront cost | $5,699.00 | ||
| Federal Gov rebate | $1,000.00 | ||
| REC’s @ $29 | 25 | $725.00 | |
| *Cost after rebates | $3,974.00 | ||
Hills ESTEEM™II - HS-330-20NG-30 or HS-330-20LP-30
Product Description:
315 litre stainless steel storage tank, Natural or LPG Gas boosted 20 litres per minute
+ 30 tube solar collector - suitable for 5 or more people.
| HS-330-20NG-30 or HS-330-20LP-30 |
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| Full upfront cost | $6,099.00 | ||
| Federal Gov rebate | $1,000.00 | ||
| REC’s @ $29 | 34 | $986.00 | |
| *Cost after rebates | $4,113.00 | ||
Hills ESTEEM™II - HS-330-26NG-30 or HS-330-26LP-30
Product Description:
315 litre stainless steel storage tank, Natural or LPG Gas boosted 26 litres per minute
+ 30 tube solar collector - suitable for very large households or commercial situations for example a guest house.
| HS-330-26NG-30 or HS-330-26LP-30 |
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| Full upfront cost | $6,299.00 | ||
| Federal Gov rebate | $1,000.00 | ||
| REC’s @ $29 | 32 | $928.00 | |
| *Cost after rebates | $4,371.00 | ||