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Solar Home Heating Systems

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Solar Home Heating Basics

Solar heaters are designed to convert energy from sunlight into energy that heats your home’s air and water.

The main benefit of any solar heater is that it won’t cost you much to run. Whether you’re planning to heat your water or air, thanks to a solar heater, you’ll no longer need to spend money on fuel. At most, you’ll have to pay to run a pump or fan for the system, but that cost is very affordable compared to running a furnace.

In addition to its affordability, these heaters release hardly any pollution. The only pollution they create is when the materials used to construct the systems are built at factories, most of which rely on fossil fuels such as coal or natural gas to do the job.

Solar heaters are also relatively low maintenance. Most solar heaters don’t require much maintenance, and at the most you can expect to change out liquids, or replace some hoses, pipes, and seals once in awhile.

3 Types of Solar Heaters

There are a few different types of solar heaters, and they’re each designed for a specific application. The 3 main types of heaters are:

  • Solar Water Heaters
  • Solar Pool Heaters
  • Solar Air Heaters

Each are used widely around the world, and each has a different purpose.

Solar Water Heaters

A solar water heater is used for showering, bathing, and washing laundry. It relies on solar collectors to convert sunlight into heat that’s transferred to the water in your home. As the sun beats down on the collectors—or insulated containers with dark colored absorbers—they heat up, warming the water that passes through them and then flows to a storage tank to await usage.

Water heaters are very affordable to run since they rely almost entirely on sunlight, and they require minimal maintenance to run.

A pool in the backyard of a home.

Solar Pool Heaters

A solar pool heater relies on the same concepts as a home water heater, but it’s installed straight to the existing filter piping. As water is pumped through the filter, it’s then pushed up through an array of solar collectors and slowly flows back down into the pool again. The water is not only filtered, but heated, too, and the pool is warmed over time. Since the system makes use of the filter, the pump, and the existing lines already and only adds to the pool filter system, it’s quite affordable and can be added easily.

Solar Air Heaters

For someone looking to heat a single room, or a smaller space such as a garage, a solar air heater is a reliable choice. A solar air heater is essentially an insulated box with a glass front and a dark colored absorber within. As sunlight shines on the box, it heats up inside, and an air line going to the box pumps cooler air from the room into the box for heating. That hot air then flows back into room, raising the temperature to a more comfortable level. It’s a simple system that offers a stable supply of heat during direct sunlight. While air will naturally flow through the lines on its own without a fan or pump, an exhaust fan is typically employed to speed up air flow even more.


A contractor installs solar panels on a roof.

Working with a Professional

Since most solar heaters are difficult to install for a novice, and also require quite a bit of expertise for proper functioning, it’s advisable to work with a professional when getting one of them set up in your home. Not only will a professional save you time when going through the process, but they will also ensure a flawless installation, in addition to making sure your system is large enough to achieve your intended goal.

Here are some other helpful articles to prepare you for your solar panel installation project. 

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