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Waking up to a cold shower? If your solar hot water system has stopped heating, it can be frustrating — especially in the cooler months when you need it most. The good news is that not all issues mean your system is broken. Some are quick fixes, while others may require a professional touch.
At Todd’s Plumbing & Electrical, we’ve been servicing solar hot water systems across the Gold Coast for over 20 years. Here’s a look at the most common reasons your system might not be producing hot water — and what to do about it.
Solar systems rely on the sun, so cloudy weather, shade from trees, or poor panel placement can reduce heating performance.
What to look for: Cold or lukewarm water after multiple cloudy days.
What to do: Wait for a sunny day or consider trimming overhanging trees. If shading is an ongoing issue, a booster system may help.
Most solar hot water systems have an electric or gas booster to help heat water during cloudy days or overnight. If your booster isn’t working, you may not get hot water at all.
What to look for: Cold water even after several sunny days, especially in winter.
What to do: Check if your booster switch is turned on. If it is and still not working, call a licensed plumber or electrician.
Like any hot water system, solar units can suffer from electrical faults — including failed heating elements or faulty thermostats.
What to look for: Inconsistent water temperature or water that won’t heat at all.
What to do: These components should be tested and replaced by a qualified technician.
In split-system solar heaters, a pump moves water between the panels and the storage tank. If this pump fails, water won’t circulate — and won’t heat.
What to look for: Panels feel cold during the day or no sound from the pump.
What to do: A plumber can check for pump failure or a faulty controller.
Air trapped in the system or sediment buildup in pipes can prevent water from circulating properly, reducing efficiency.
What to look for: Gurgling sounds, reduced water pressure, or system making odd noises.
What to do: A professional flush or inspection may be needed to clear blockages or bleed air.
If your solar panels are cracked, dirty, or damaged, they won’t absorb sunlight effectively — meaning less heat for your water.
What to look for: Visible dirt or cracks on panels, or very slow heating.
What to do: Clean the panels carefully or call a technician to inspect for damage.
No one wants to go without hot water — and with regular servicing, most solar hot water problems can be prevented. If your system has stopped heating, let the experts at Todd’s Plumbing & Electrical take a look.
We provide fast, reliable service across the Gold Coast, and we’ll get your hot water back on in no time — with honest advice and no hidden surprises.
Todd’s have been your family-owned local plumbers & electricians for over two decades. With many companies leaving the market within years, Todd’s is still around servicing our loyal client base. Our experience equals the highest quality work with the best products on the market.
Todd’s has been your local licensed plumbers and gas fitters for over 17 years. Our plumbers are solar accredited and our own full time employees.
Todd’s are your licensed local electricians. Our electricians are solar accredited, they drive portable workshops on wheels. We can meet all your electrical needs.
Todd’s can manage the excavation needed for your next plumbing or electrical job. we know exactly what needs to be dug and how, make your life easy by letting us do the lot.
Do you have a leak? Todd’s are experts and finding the leak and fixing it fast. We have the best tools and know-how to find it and repair it fast at an affordable price.
Got a blocked drain? Todd’s are experts and unblocking and repairing drainage. We have the skills and best tools to find and repair blockages. We can also help you to prevent blockages from happening again.
We offer the best no-hot water service in town, we get there fast, and we can service and repair electric, heat pumps, gas, and solar hot water systems. We can make sure you get hot water today!
Todd’s are the trusted solar hot water experts, we service, repair and supply the very best brands. We can offer free quotes, we provide both roof-mounted and split-system solar hot water systems.
Todd’s offers the market-leading Envirosun heat pumps with 71% energy savings. Also a massive 5-year manufacturer’s replacement warranty. Available in 200 or 250 litres systems.
Forget the short-term solar companies, Todd’s has been your local trusted solar expert for over two decades. Deal with the company trusted experts who will be here to support you well into the future.
We can repair, install or replace your gas hot water system or cooktop. We have full-time licensed gas fitters who can handle any job. We can supply or simply install your gas system of choice.
Our plumbers and electricians are solar-accredited, when you deal with Todd’s you’re dealing with actual solar experts. Get it sorted right, and call the solar-accredited experts.
Has your solar stopped working, is your system out of warranty? Then call Todd’s, our solar-accredited electricians can identify the issue and help you resolve it.