Solar power is the most talked about kind of renewable energy, and for good reason. The sun shines continuously throughout the year. The sun continues to shower us with energy even on overcast days, and this energy can be used to replace the pricey, fossil fuel-burning energy corporations.
One thousand watts of energy, or a tremendous amount of raw power, is contained in every square meter of sunlight. But is solar electricity an economical and practical option? Let’s take a closer look at the effectiveness of solar and how it relates to your home’s energy expenditures.
Heat Your Home and Water With Solar Energy
One of the simplest methods to tap into the sun’s energy is through solar hot water and space heating. To heat water for use in the house using solar energy, you need a solar collector, a tank to place on the roof, and pipes to connect the two. It can pay for itself in two or three years rather than twenty for solar panels.
Needed Equipment for Solar Heating
Active installations pump cold water into the collector and hot water into your tank, allowing you to store the heated water for later use. In contrast, passive installations do not require any pumps or motors to circulate water from the solar collector throughout the home. A passive system is the quickest and cheapest to set up because it needs fewer components, less maintenance, and no permissions. The active pipes in your home are reason enough to exercise caution while installing a passive solar hot water system.
Various Solar-Collecting Devices
A solar collector is a panel installed on your roof to convert solar energy into heat. In a passive system, the water in a tank mounted on your roof is heated directly by the collector. It’s essentially a greenhouse for your hot water supply at home.
A simple flat plate solar collector may not be appropriate for many homes. An indirect approach is required because of the potential for the water to freeze in colder climes. An evacuated tube setup is required here. In an evacuated tube system, water pipes are encased in glass tubes filled with stagnant air. This reduces the effect of the surrounding air’s temperature, leaving only the sun’s energy to regulate the climate.
In addition, the fluid in such pipes is not water but a coolant. After being heated, the coolant is diverted to a storage tank used to warm drinking water. Even in the dead of winter, the water will not freeze, the pipes will not burst, and you will have enough hot water.
Implementation
The first step in installing a solar hot water system is determining how much hot water you need regularly. How much do you use, and how much do you have to pay now? Even if you can’t switch to solar hot water for all your needs, even a small investment today can reduce your energy costs in the long run.
In addition to the solar collector (which can range in length from 4 to 12 feet), the following components are required to set up solar heating:
Potable water is stored in underground tanks for active systems that use evacuated tubes. When the temperature outside is low, you can safely heat the water at a different location.
You’ll need a water heater if you want to keep your home linked to the power grid and use renewable energy to heat your water. Most households keep their pipes connected to guarantee constant access to hot water. This will be helpful if the solar tank empties during a party or a chilly spell.
If your solar collectors use a coolant, you’ll need a heat exchanger consisting of pipes or coils that transport heat from the coolant to the water stored in your tanks.
Pumps to transport water to and from your solar collectors are essential for an active system. Water pumps are unnecessary in passive systems.
Active systems also make use of valves and controls. The location of water pumping and your hot water tank’s activation time is controlled by switches. In addition to a tempering valve, an isolation valve can be installed to immediately turn off your solar system in case of a malfunction. A tempering valve will prevent burns from occurring in the shower or while washing dishes when utilizing hot water directly from a solar collector.
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