Cold Craft Blogs

Cold Craft Blogs

Shallow earth temperatures aren’t sexy, but…

The temperature of the outside air is what affects the comfort of indoor spaces in all buildings. Unlike shallow earth temperatures, outdoor air displays a great range from day-to-night, and across the seasons. This results [...]

Sustainability of geothermal heat pumps

Call the graphic at left “The Blossom of Sustainability.” There’s nothing but benefits with the deployment of millions more geothermal heat pumps (GHPs). They separate society from the use of fossil fuels for occupied buildings. [...]

Military Bases and Government Go Geo Heat Pumps

U.S. military bases soon will add ground source heat pumps to an arsenal of energy savers, according to Oklahoma State University professor Jim Bose. The federal Energy Department recently selected five companies, all affiliated with [...]

The Residential Energy Use Pie

Residential energy use called out by function in a pie chart matters very much. This is because such information can point us toward that next best goal to reduce consumption and save money. Not every [...]

Leverage, efficiency of geothermal heat pumps

One of the biggest hurdles to clear when talking to others about geothermal heat pumps (GHPs) is to erase the common misperception that this equipment is somehow connected to hot rocks and steam generation of [...]

Geo heat pumps better than air-source heat pumps

The image at left may cause you to think this is an inactive air conditioning condenser in winter months. It is not. This is an air-source heat pump (ASHP) struggling in the heating mode. It’s [...]

Go to Top