Nowadays, many people attach great importance to the quality of life. To create a comfortable living environment for family members and minimize household expenses, it is vital to select suitable home appliances and bathroom fixtures. Electric water heaters and gas water heaters are two common types of water‑heating equipment. Which one delivers better cost savings? After calculating the costs with industry‑insight reference, you will finally know how to make your choice.
1. Which Is More Cost‑effective: Electric Water Heater or Gas Water Heater?
Electric water heaters feature a relatively high safety factor. Compared with gas water heaters, they are quite easy to install and operate. However, they may take up more space. Most of them are storage‑type models that store pre‑heated hot water. When multiple people take showers one after another, the water will gradually turn cold. In addition, limescale will build up inside the storage tank after long‑term heating, which requires regular cleaning.
The advantages of gas water heaters lie in their extremely fast heating speed and continuous hot‑water supply during bathing. They are durable with little routine maintenance required. Their compact size also facilitates installation. Nevertheless, gas water heaters shall preferably be installed in well‑ventilated positions indoors to avoid toxic carbon monoxide generated by incomplete combustion. This is why many households hesitate to choose gas water heaters.
Next we will talk about solar water heaters — not the bulky conventional ones, but a new‑style wall‑mounted solar water heater. In terms of appearance, it occupies little space and consists of solar collector panels and a water tank. Its biggest merit is space‑saving. The collector panel can be mounted outside the balcony railing, while the water tank can be placed on the balcony or hung on the wall, which is a major improvement over traditional solar water heaters.
Many households are installing this type nowadays. Although it seems to have numerous strengths, it still cannot get around the limitation of sunlight availability. Low‑floor residences often suffer insufficient sunlight, so its practical output is very limited. Even with sunshine, it may only last half a day, and you cannot keep adjusting its orientation. Therefore, its overall practicality is relatively limited.
Nowadays, many households simply attach a heating pipe to their water taps. Hot water flows out instantly once the tap is turned on, bringing great convenience. These heating pipes are inexpensive. Fitted on kitchen taps, they supply hot water for dish‑washing; mounted in bathrooms, they function as water heaters. Most importantly, they are cost‑effective and affordable, so numerous families adopt such electric water heaters. Compared with conventional electric water heaters, this type delivers hot water more rapidly. Just like gas water heaters, it produces hot water immediately upon power‑on, and many households choose to buy them.
二 What Are the Tips for Selecting a Water Heater?
- 1.General Knowledge for Water Heater Selection — Inner Tank
The inner tank is the key factor when judging the quality of an electric water heater. Once the inner tank leaks, the service life of the electric water heater comes to an end. The service life of the water‑heater inner tank is mainly determined by tank material and the anti‑corrosion technology adopted by the manufacturer. At present, inner tanks for electric water heaters are roughly divided into three grades: stainless‑steel inner tank, enamel inner tank and galvanized inner tank.
- 2.General Knowledge for Water Heater Selection — SafetySince the use of electric water heaters is related to users’ personal safety, great importance must be attached to safety performance when purchasing one. Electric water heaters shall generally be equipped with earthing protection, anti‑dry‑burn, over‑temperature protection and over‑pressure protection devices. High‑end models are additionally fitted with leakage protection, no‑water automatic power‑off function and auxiliary power‑off indicator.
The rated pressure of the water‑heater inner tank is generally 0.75 MPa (ratings vary by model). The over‑pressure protection device shall reliably open the safety valve automatically for pressure relief when the inner‑tank pressure reaches the rated value to guarantee safety. The leakage‑protection device shall cut off power supply rapidly within 0.1 second when leakage current reaches 15 mA. Purchase products bearing the China Great Wall Safety Mark.
- 3.General Knowledge for Water Heater Selection — Energy EfficiencyElectric water heaters run mainly on electric energy, so energy‑saving performance is a key consideration. Many electric water heaters on the market claim to be energy‑saving. How can you judge actual energy‑saving performance? Simply put: “Check the energy‑efficiency label”. Consumers are advised to select electric water heaters with Energy‑efficiency Grade 1 or Grade 2. Furthermore, give priority to models equipped with advanced energy‑saving technologies. The availability of energy‑saving technologies serves as another major criterion for evaluating energy‑saving performance.
三. What Should You Pay Attention to When Using a Water Heater?
- 1.For electric water heaters, heat the water before use. High moisture will be generated during bathing. It is recommended to unplug the power plug before taking a shower.
- 2.For gas water heaters, check regularly for gas leakage. It is best to arrange inspections by professional technicians. Replace aging pipelines in a timely manner once found.
- 3.Unplug the electric water heater when it is not in use. Bathrooms tend to suffer moisture‑regression. Take proper moisture‑proof measures for power plugs and sockets on a regular basis.
For households, whether choosing an electric or gas water heater, you should make the selection according to your actual household demands. You may take house layout design and bathroom space into comprehensive consideration. While using water heaters, please follow correct operating methods and procedures and carry out regular inspections.
