Variable speed technology creates high efficiency geothermal heating and cooling

Geothermal is already one of the most energy efficient options for heating and cooling, but variable capacity systems boost performance even farther.

At the 2016 AHR Expo, Sean Dillon, director of dealer sales for WaterFurnace International, reviewed the unique technology that makes the WaterFurnace 7 Series quite possibly the most advanced heating and cooling system on the planet.

Dillon noted that the The 700A11 signifies groundbreaking innovations on multiple fronts—most notably as the geothermal industry’s first launched variable capacity residential unit and the only unit to surpass both the 41 EER and 5.3 COP efficiency barriers. These ratings are vastly greater than ordinary conditioning systems and 30% higher than current two-stage geothermal heat pumps. The 700A11 is ENERGY STAR rated and was engineered in the HVAC industry’s only in-house EPA/ENERGY STAR Recognized Laboratory.

Dillon said the Aurora communicating controls work in unison with the variable capacity compressor, variable speed loop pump and variable speed blower motor to offer a level of comfort you have to experience to believe. Best of all, 7 Series units use the stored energy in your yard to provide savings up to 70% on heating, cooling and hot water.

While other conditioning systems run at one or possibly two capacities (high and low), the 700A11 scales compressor output and airflow to exactly the level needed for any heating or cooling situation.

Dillon noted the 7 Series can ramp down to 20% of normal operation for the ultimate efficiency and comfort or scale up to 130% output using SuperBoost cooling used in brief periods when extra conditioning is needed.

Dillon also discussed the Symphony control platform from WaterFurnace. Symphony is a Wi-Fi based comfort platform that’s easy to use. Symphony marries the Aurora controls of a WaterFurnace geothermal system with the WebLink router, providing access to the comfort system from practically anywhere. Symphony is cloud-based so there’s no software to install and provides control over the entire geothermal system—not just the temperature as in other ‘smart thermostat’ systems.

Read more about geothermal heating and cooling.


Topics: Geothermal Heating & Cooling, Healthy Homes, Indoor Air Quality, Trade Show

Companies: WaterFurnace


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