Dandelion Energy Bringing Affordable Geothermal to New York



When I bought my home over a decade ago there was one thing I definitely noticed. The basement during the summer was always naturally cool because it was underground. One day I’m going to go geothermal HVAC. Part of the reason now how has to do with my newest partners/sponsors - Dandelion Energy which provides low cost geothermal to homeowners. and part If you are looking for an environmentally friendly way to heat and cool your home.

What’s Geothermal Again? Drill Baby Drill!

Ground source heat pumps use underground pipes to extract heat energy from the ground. They do this by circulating a mixture of both water and anti freeze across a pipe called a ground loop. Heat beneath the ground is soaked up into the liquid eventually passing through the heat exchanger and into the heat pump. Believe it or not the ground actually stays at a relatively consistent temperature so that this systems is still useable in the frostiest of winter months. They length of the underground loop depends mostly on the size of the property and that amount of heat that is required. Larger loops can certainly extract more heat but require more space to be buried with. Sometimes when space is on the tight side a borehole can be drilled as an alternative. Of course this heat can be used with traditional infrastructure such as radiators, hot water and under floor heating.

As IRENA reported recently, Central American countries, which currently rank among the world’s top countries in terms of the share of installed geothermal energy, have the potential for 20 times the currently installed capacity.

According to the U.S. Environmental Protection Agency (EPA) geothermal systems are, “the most energy-efficient, environmentally clean, and cost-effective space conditioning systems available today.”

My new partners at Dandelion, a geothermal startup that recently graduated X, the research and development lab at Google’s parent company, announces a partnership with Hudson Solar, the leading residential solar installer in the Hudson Valley and Capital Region. Yes I’m teamed up with a Google Startup ok breathe breathe!).

10/5/2017 11:15:40 AM

While thermal heating is an interesting concept, my only concern is with the antifreeze. It's common knowledge that antifreeze has detrimental effects on the health of humans and wildlife if ingested. And because of its sweet smell animals are drawn to it. If you put antifreeze into a metal or other tube underground, when that tube is damaged (either by rust, micro earthquakes or whatever) there will be no way to prevent the majority of the container's supply of antifreeze from leaking into the ground and subsequent groundwater. That groundwater will likely be connected to the home's well water system or into the river system. Antifreeze's glycol biodegration process will then choke the fish in the area as it needs a lot of oxygen for the process. Even if the leak is detected early, by the time you dig up the tube it'll be too late. So, all that was just to ask the question, how is the antifreeze prevented from leaking into the ground?

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