Compare Technology

Evacuated Tubes

+ Works well in colder climates
+ Gains heat in low or sunshine
+ Easy installation
+ Cost effective
+ Can attach to existing cylinders

- Care required to stop too much heat

Flat Plate

+ Higher efficiency due to glazing
+ Looks like a skylight
+ Limited maximum temperature
+ Works well for pools

- Limited winter performance
- Requires closed loop for Canterbury
- More expensive setup

Plastic pool heating

+ Cheap
+ High volumes of water
+ Good with high chlorine or salt
+ Best system for pools

- Loses heat quickly
- Cannot handle mains pressure
- Short season
- Takes up a lot of roof space
- Poor system for domestic water

Hot water heat pump

+ Works throughout the year
+ Uses heat rather than sunshine
+ Can attach to existing cylinders
+ Up to 4 times more efficient than an
   electric element

- Shorter working life expectancy
- Still uses power

Solar Electrics Controllers

SR868C8Q

  • Standard controller—recommended for most systems, features include;
  • Small discrete control console
  • Graphical LCD display
  • Overheat and frost protection
  • Time/temperature auxilliary heating controls
  • Heat metering
  • Holiday function

    • SR618C6

    • Will do all the SR868C8Q will do and more. For more complex systems we recommend this controller. With 12 different configurations to enable management of simple to complex systems. Features include;
  • Small discrete control console
  • Pool heating
  • Gas preheat
  • Central Heating
  • Wetback options
  • Managing 2 cylinders and 2 panels

    • SR988C

    • For the ultimate in controller functionality with 50 configurations this controller is the best in the business, with all the features the SR618C6 has plus;
  • Up to 3 separate cylinders
  • Multi input multi output systems
  • Use of heat exchangers
  • Multiple pool configurations
  • Multiple central heating operations
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