A solar water heater beats gas or electric in three ways that matter: it cuts your monthly water heating bill, it burns no fossil fuel to do it, and there’s less in it to break down over the years. It costs more to put in than a regular tank, though, and most systems keep a backup heater for cloudy stretches, so the savings come from using less conventional energy rather than none at all. Water heating is one of the biggest line items in a home’s energy use, which is why it’s one of the better places to bring solar in.
A water heater is indeed one of the most expensive home appliances, and at the same time, it requires a lot of energy to operate. Whether the water heater is gas- or electricity-run, it consumes around 18% of your utility bill, right? No matter how much you try to save on utility bills by consuming less hot water, it almost goes the same.
Again, you will find the day-to-day household life quite miserable without a proper supply of hot water. In such cases, a solar water heater can be a decent choice compared to a conventional fuel-based one, especially when you focus more on energy saving. Here are 5 solid advantages of solar water heating systems, and we expect these will make sense at the end of the day!
1. Lower Energy Cost
The solar water heater is an ideal choice if you are facing a huge amount of utility bill every month. You might know that the solar water heating system uses a renewable energy source, sunlight, which is abundant in this mother universe. On top of that, while you are using a solar water heater unit, you won’t need to worry about a hundred dollars of utility bills; according to the DOE, bills drop 50% to 80%.
The most amazing thing regarding solar water heating systems is that you will be getting the energy to run your water heater as long as the sun shines. Wondering what will happen in sudden wet weather or on a rainy day? Many solar units are capable of providing you with energy even when the sun is not shining, but with just less efficiency.
2. Roof and Tank Space
A solar water heating system doesn’t require much installation space. You won’t have to manage space for separate parts like a traditional fuel-based water heater. Yes, a tankless unit also requires less installation space compared to conventional gas or fuel-run water heaters. Still, in most cases, the PV or thermal collectors still need rooftop space, a storage tank, and true south is the best orientation in the Northern Hemisphere.
3. Save Installation Cost
Solar systems cost more up front. DOE says a solar water heater is pricier to buy and install than a conventional one, and that it usually pays you back over the long run through smaller bills. The 30% federal tax credit used to shrink that up-front price. It’s gone for systems placed in service after December 31, 2025. If yours was up and running by that date, you still claim it on your 2025 return with Form 5695, and any credit bigger than your tax bill carries forward to later years.
Buying now, the number on the quote is what you pay. Rebates vary by state and utility, so run your zip code through ENERGY STAR’s Special Deals Finder before you sign anything.
4. Environment-Friendly
A solar water heating system is environmentally friendly as it doesn’t burn any fossil fuel when heating water for you. So, you have the chance to contribute to the environment and take part in the go-green revolution. A backup heater would still run on gas, but with a solar thermal heater installed, you will only rely on it in emergency cases.
5. Comparatively Maintenance Free
A solar water heating system requires maintenance once every 3 to 5 years by a verified solar contractor. If you live in an area with hard water, you may need to check with your contractor to add a special solution while cleaning to prevent mineral buildup.
