The Simple Properties and Purposes of a Geothermal Heat Pump

What almost everybody says they love most about a geothermal heating and cooling system is that it has so little in the way of moving parts. There’s just that much less that can go bad– that much less needing maintenance. And that alone makes a great difference in cutting the overall energy costs of Dallas homeowners who’ve gone geothermal.

 

That said, there are some moving parts in the system. Most of them are found in its most conspicuous component, too: the geothermal heat pump.

This is the system’s workhorse. Its job is to transfer heat. And it transfers heat either from the ground into your house or from your house into the ground, depending on ambient temperatures. That being the case, it’s a furnace and an air conditioner united in one compact package.

What, then, does a heat pump use to transfer heat? Water! Well, that or a solution incorporating antifreeze. This liquid courses through pipe loops buried underground and secured to the heat pump, which is kept above ground. During heating season the liquid draws heat from the ground, the heat pump draws the warm liquid up into refrigerant coils, and from there the heat is distributed throughout a home by means of either a forced air or a hydronic system. During cooling season the process is reversed: the pump draws heat from your home and transfers it to the earth by way of those same buried loops. Oh, and somewhere along the way, various geothermal systems also provide domestic hot water.

The basic distinction between a geothermal heat pump and a common furnace is that a heat pump doesn’t set fuel afire to generate heat. Rather, it takes heat that’s already present and merely moves it around. That naturally makes it a much more efficient heating and cooling system. Keep this in mind, too: underground temperatures usually remain at around 50º F through the year. Result? A geothermal heating and cooling system uses considerably less energy to cool your home than regular air conditioners.

So … is a geothermal system the answer for your Dallas home? Talk with this region’s geothermal specialists, the cordial gang at Geo-Thermal Distribution Co., LLC.