Carrier GT-PW Geothermal Heat Pump
Despite the increased installation expense, geothermal heat pumps have been growing in popularity in recent years due to the increasing environmental concern among the general public and rising energy costs. Geothermal heat pumps are heavily influenced by the latter as they are much more energy-efficient than traditional air comfort units and regular heat pumps. This has to do with the much more stable ground temperature the geothermal heat pump interacts with as opposed to the wildly fluctuating air temperature a regular heat pump constantly fights. To service the growing geothermal heat pump market, Carrier offers a variety of models and the GT-PW is one of these.
Carrier’s GT-PW Geothermal Heat Pump is available in a closed or open loop system. The closed loop system achieves a 16.4 EER and the open loop a 23.1 EER. EER, or Energy Efficiency Ratio, measures how efficiently a geothermal heat pump operates. Open loop systems are always much more efficient, but even on a closed loop the GT-PW still achieves a 16.4 EER which can compete with some of the best regular heat pumps on the market. If an open loop is available, then the 23.1 EER will practically guarantee substantial energy savings over the long term.
For a basic entry into the geothermal heat pump market, the GT-PW is not a bad product. It has decent energy efficiency for a geothermal unit and a 10-Year Limited Warranty. There are superior SEER rated products available, but, of course, those units are also more expensive. So, for a consumer who wants to spend the minimum possible, but still get geothermal heat pump savings, then the GT-PW might be the best option.