Geothermal Heating
In the heating mode, the water circulating in the earth loop is colder than the surrounding ground. This causes the water to absorb energy, in the form of heat, from the earth. The water carries this energy to the heat exchanger in the pump. In the heat exchanger, refrigerant absorbs the heat energy from the water. The water now leaves the heat exchanger at a colder temperature, and circulates through the earth loop to pick up more energy.The refrigerant gas, which contains energy gained from the earth loop, travels from the heat exchanger to the compressor. In the compressor, the refrigerant temperature rises to 160°. From the compressor, the superheated refrigerant travels to the air heat exchanger. Here, the heat pump's blower circulates air across the air coil, increasing the temperature of the air, which is blown through ductwork to heat the home. After refrigerant releases its heat energy to the air, it then flows to the earth loop heat exchanger to start the cycle again.

Geothermal Cooling
In the cooling mode, the water circulating in the earth loop is warmer than the surrounding ground. This causes the water to release energy, in the form of heat, into the earth. The water, now cooler from traveling through the ground now flows to the heat exchanger in the heat pump. In the heat exchanger, hot refrigerant gas from the compressor releases its heat into the water. This causes the water to increase temperature, which it releases to the ground.The refrigerant, which has released its heat energy and became a cold liquid, now travels to the heat exchanger. Here the heat pump's blower circulates warm, humid air across the cold air coil. The air is then blown through ductwork to cool the home. The refrigerant in the air coil picks up the heat energy from the air, and travels to the compressor. When the refrigerant leaves the compressor, it then flows to the earth loop heat exchanger to start the cycle again.

Forced Air Systems Forced air systems are commonly used in homes and businesses today. Conventional ductwork distributes hot or cold air and provides humidity control.

Forced Air Systems Forced air systems are commonly used in homes and businesses today. Conventional ductwork distributes hot or cold air and provides humidity control.

Geo Source ® Vara 2 PlusT
What do you do to make a great ECONAR Geo Source heat pump based on Cold ClimateT technology better? You make it variable with a two-step compressor driving R-410a refrigerant and use an energy efficient variable speed Electronically Commutated blower Motor (ECM). This could be the best Geo Source heat pump ever! Two-step scroll compressor: Controls heating or cooling more closely to the building's load. During most of the season, first stage engages operating at peak efficiency, but during cold or hot spells, the second stage engages providing full capacity heating or cooling at the high efficiencies Geo Source heat pumps are known for. Using Cold Climate technology, the Vara 2 Plus ' first stage is designed to meet more of the seasons comfort needs providing maximum savings.R-410A refrigerant: The next generation of refrigerant with no ozone depletion potential and increased energy savings.
ECM motors: The next generation in motor technology provides increased energy efficiency in two ways. First they operate far more efficiently than traditional PSC (Permanent Split Capacitor) motors. Where they really shine is when operated at lower fan speeds. PSC motors can be set to lower speeds but their energy consumption does not drop as fast as fan output. ECM motors realize significant savings as fan output is lowered. Secondly, ECM motors maintain compressor efficiency by increasing fan speed as airflow restrictions occur. By assuring compressor-required airflow, system efficiency and low operating costs are maintained. High energy efficiency, low cost operation, environmentally friendly and comfort, all from one ECONAR Geo Source Vara 2 Plus heat pump.

Air Heat Exchanger and Filter
High-density technology coil with copper tubing in aluminum fins designed for Cold Climate regions providing the highest heating output in the industry at comparable cooling capacities. Includes an Allergy Gold filter for a cleaner system and homeowner comfort. Homeowner convenient front-loading filter rack with door.
Electrical Controls Total compressor lockout is activated by electronic   monitoring of low or high pressure for maximum system protection. Compressor and fan motors are staged for a softer start.
Filter/Drier Assures a clean, dry refrigeration circuit.
Reversing Valve All copper with low-pressure drop for maximum efficiency.
Water Heat Exchanger Brazed plate stainless steel heat exchangers provide maximum heat exchange at minimum pump pressure for reduced pumping costs.
Hot Water Generator (Optional) A double-wall de superheated coil saves up to 75% on annual domestic water heating costs.
Air Pad (Standard) Included standard for even quieter operation.
Thermostat (Standard) 3-stage heat and 2-stage cool electronic thermostat included with every unit.
Electric Heater (Standard) Standard electric heater provides emergency heat or 3rd stage assist.
Blower Variable speed Electronically Commutated Motor (ECM) provides quiet, efficient air circulation.
Thermostatic Expansion Valve State-of-the art thermostatic expansion valve provides precise refrigeration control under a wide range of conditions.
Charge Optimizer Balances heating and cooling charge allowing optimum cold-climate capacities and efficiencies.
Compressor A hermetically sealed, two-step Compliant Scroll by Copeland delivers the highest efficiency and lowest sound level in the industry.
Cabinet Fully insulated baked-on powder epoxy finish over Galvaneal metal resists corrosion.