
The best solar water heater is correctly sized for your household, uses a collector suited to your water and roof, matches your plumbing pressure, and comes with a solid tank, warranty and local support. Buying from an installer who will service it matters as much as the brand.
Key takeaways
- Size by household hot-water use.
- Pick collector type for water quality and roof.
- Match pressurised vs gravity to your plumbing.
- Check tank material, insulation and warranty.
- Local installation and service support.
01Checklist
| Check | Why |
|---|---|
| Capacity | Too small runs out; too big costs more and heats slowly |
| Collector type | Flat plate vs evacuated tube |
| Pressure | Gravity or pressurised to suit plumbing |
| Tank and insulation | Keeps water hot overnight, resists corrosion |
| Warranty and support | Spares and service locally |
02What we supply
Qyvea supplies Sollatek 200 L and 300 L solar water heater kits and can source other capacities; see current prices.
03Frequently asked questions
What size solar water heater do I need?
As a rough start, a small family often fits 150 to 200 litres and a larger household around 300 litres; we confirm at the survey.
Which brand is best?
Choose a reputable brand with a good tank, warranty and local service support; we supply Sollatek kits.

