Quick answer
Evacuated tube solar water heaters use rows of double-walled glass tubes with a vacuum between the walls, which keeps heat in, so they stay efficient in the mornings, evenings and cooler weather. Price depends mostly on tank capacity, number and type of tubes, and whether the system is pressurised.
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Shop all inverter products →Key takeaways
- Vacuum tubes lose very little heat.
- Price rises with capacity and tube count.
- Pressurised versions cost more but give stronger flow.
- Single broken tubes can usually be replaced.
- Install where tubes are safe from impact.
01What affects the price
- Tank capacity (for example 150, 200 or 300 litres)
- Number of tubes and whether they are heat-pipe or direct-flow
- Pressurised or gravity-fed
- Frame, roof type and mounting
- Plumbing distance and backup element
See current kits in solar water heater prices; installation is quoted after a site survey.
02Pros and cons
Pros
Efficient in cooler or cloudy weather
Low heat loss
Tubes replaceable
Cons
Glass can break
Can overheat if water isn't used
Needs correct installation angle
When to call a professionalQyvea supplies and installs solar water heaters. Call 0113 301 244 or WhatsApp us.
03Frequently asked questions
How much is an evacuated tube solar water heater in Kenya?
It depends on capacity, tubes and pressure; see our current kits and ask for a quote including installation.
Can I replace one broken tube?
Usually yes, without replacing the whole collector.
