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Looking For The Perfect Electric Hot Water System?

Sunamp's cutting-edge thermal storage system is the efficient, cost effective hot water solution.

The Sunamp water heater range is super compact, delivering excellent pressure hot water safely and quietly. 

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Part of our range of whole house energy solutions

Solar
Energy Storage
Smart Heating
Hot Water

Sunamp Features & Benefits

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  • Super compact and highly efficient
  • Stores four times more heat than water does
  • Mains pressure instant hot water whenever needed
  • Fully controllable, low carbon & environmentally friendly
  • No annual maintenance required
  • 10-year manufacturers warranty
  • A+ energy rating
  • Home solar PV Compatible
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Sunamp Can Be Tailored To Any Home

Available in three sizes that can be combined to perfectly match the hot water requirements of every home

  • Thermino 70 ePlus
  • Thermino 150 ePlus
  • Thermino 210 ePlus
  • Thermino 300 ePlus

Easy to install and kinder to the environment

Sunamp water heaters have a predicted lifespan of more than 50 years, the batteries need no mandatory routine servicing and are fully compatible with your home solar system (if you have one).

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How Sunamp Works

Sunamp water heating delivers instant fast flowing hot water on demand.
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  • Sunamp heat battery is heated using energy at off peak/low tariffs from the grid or from an alternative renewable source, such as your home solar.
  • Sunamp stores this heat ready for when you need hot water.
  • When you want hot water, cold water passes through the Sunamp and is instantly heated and available at the same pressure as the cold feed.
  • So now you have a cheaper, better and more controllable hot water system.
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Heat Electric Northwest Ltd © 2026 (Formerly Northwest Heating Solutions)
Registered in England and Wales. Company Registration Number 08459462 Heat Electric Northwest Ltd is an Introducer Appointed Representative (Financial Services Register No. 1034367) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.
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