This year has seen also a strong shift towards solar hot water heater system assessment and ratings.

今年的主要趋势已经趋向太阳能热水器系统的认证评定。

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A solar water heater system is composed of vacuum solar energy absorber, electrically aided heater and water-saving antifreezing unit.

一种太阳能热水器系统装置，它由真空太阳能吸收器、电辅助加热装置、节水防冻装置构成。

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NRF24L01 module design short distance wireless transmission-based remote monitoring of solar water heater system, and describes the overall system design.

文中采用NRF 24l01模块设计了基于无线传输的短距离遥控监控太阳能热水器系统，并介绍了整个系统的设计方法。

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The second part of the solar water heater holds the water for the system.

VOA: special.2009.04.20

Solar thermal heat is ideal as an auxiliary system to existing furnaces and hot water systems -your furnace or water heater operates exactly the same as it always has, coming on and running in response to thermostat settings to keep your house or water heated to the thermostat setting.

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