Okanagan Geothermal Ltd.

GEOTHERMAL HEATING AND COOLING

Help reduce pollution by installing a geothermal system in your home.Geothermal systems use a renewable resource – ground heat – which is efficient and non-polluting.

Replacing an average fossil fuel system with a geothermal system will immediately reduce your energy emissions by at least 50%.

That’s the equivalent of taking two cars off the road or planting one acre of trees.

WHAT KIND OF GEOTHERMAL HEAT PUMP SYSTEM IS RIGHT FOR YOU?
WHAT DOES GEOTHERMAL COST?

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GREEN! CLEAN! RENEWABLE!

Applications

Forced Air Geothermal

Forced Air heat pumps can do all of your forced air heating and cooling requirements, accomplished by distributing the hot or conditioned air throughout your building using conventional ductwork. The air distributed by the heat pump is not the extreme high temperatures that a gas furnace has making for a very comfortable heating and cooling system.

For a higher level of comfort the forced air system can be zoned to be able to control rooms individually with a single unit.

Water to Water Geothermal

Water to water heat pumps can be used for every heating and cooling application as long as the design temperatures remain within 20°F to 110°F (-7°C to 43°C). The most common applications for the uses of water to water heat pumps are: Building heating and cooling through in-floor and fan coils, snow melt, pool heating, wine room cooling, domestic hot water, milk cooling, etc.

CHICKEN BARN HEATING AND COOLING
GREENHOUSE HEATING AND COOLING
DOMESTIC WATER HEATING
HEAT RECOVERY SYSTEMS
DEHUMIDIFICATION
CELLAR CHILLING

HEATING AND COOLING FOR ANY BUILDING
MILK CHILLING FOR DAIRY OPERATIONS
POOL AND HOT TUB HEATING
RADIANT IN-FLOOR HEATING
SNOW MELT
WINE ROOMS

HOW GEOTHERMAL WORKS

The Environment

A geothermal system uses solar energy stored in the ground to heat and cool your home or building. The earth absorbs 47% of the sun’s energy (heat) all year round. Even in the winter when a blanket of snow covers the ground, the earth’s temperature remains approximately 10°C (50°F) six feet below the surface.

This means that you have a steady supply of energy to keep your house or building warm during the winter and cool in the summer.

Geothermal or geo-exchange, heating / cooling is a ground source system that makes use of the largest source of energy available – the ground beneath your feet.

There are 3 main components of a geothermal system: a ground loop, a heat pump and a distribution system.

The Ground Loop

When the building requires heat, the geothermal system extracts heat stored in the ground from the sun’s solar energy; when cooling is required, the geothermal system extracts heat from the building and stores it in the ground until it’s required for heating. In order to transfer the heat energy between the earth and your house or building, the system requires a heat exchanger which is called the ground loop.

A series of pipes (ground loop) is buried under your yard, filled with an anti-freeze solution which is circulated through the pipes, making the loop a highly efficient conductor of energy. In the winter, the solution absorbs the heat from the ground and is pumped through the geothermal unit in your home. In the summer, the process is reversed. The fluid in the pipes leaves the home or building in a warm state, and after it circulates through the ground loop, it returns cooler. The ground loop can take several different configurations: horizontal, vertical, pond/lake or open loop. Each project is evaluated to determine which configuration is best suited for the application.

The Heat Pump

The heat pump is the heart to the geothermal system; however, the ground loop and distribution system are equally important. When the building requires heating, the fluid in the ground loop is circulated through the heat pump, where the heat is extracted from the fluid and transferred into the building. The fluid is then recirculated through the ground loop and returns back to the heat pump, warmed by absorbing the energy stored in the ground. To cool the building the heat pump works in reverse, extracting heat from the building warming the fluid as it passes through the heat pump, and storing the heat energy in the ground.

There are two main configurations of geothermal heat pumps: Water to Water (Hydronic) units, which create hot and chilled water for hydronic heating and chilling (In-Floor, Fan coils, Pools etc.), and Water to Air (Forced Air) units which create hot and chilled air, similar to a conventional furnace and air-conditioning unit.

Benefit

Geothermal systems have many benefits but the most important one is that a geothermal system has no pollutants, being a GREEN, CLEAN, RENEWABLE; HEATING AND COOLING SYSTEM! Up to 70% of the normal household utility bill is for heating, cooling & hot water. Geothermal Heat Pumps help reduce this by as much as 80%.

The main benefits with a geothermal system are: Uniform comfort year-round and increased dehumidification during the hot summer months. Safe and clean as no flame, no flue, no odours, non-polluting and no danger of fire or fumes. Noise-free operation – no outdoor fans.

All equipment is located indoors, out of the elements Long equipment life expectancy, and environmentally friendly. Efficiencies exceeding 500%

Comparisons

Geothermal systems provide the highest energy efficiency of any space conditioning system available. Efficiency equals savings, and geothermal heat pump systems substantially reduce operating costs over even the most efficient traditional systems.