It is good to have your solar water heater serviced at least once a year by a professional. A well-serviced solar water heater will run more efficiently and last longer.

Solar water heaters definitely need servicing, and you should consult with your solar water heater manufacturer or installer to find out what the recommended service schedule is. usually, a solar water heater will need to be serviced every few years. Some common reasons for needing service on a solar water heater include: blocked pipes or fins, low water pressure, leaks, and errors in the electronic control unit. If you're not comfortable servicing your own system, then it's best to hire a professional to do it for you.