Completed in March 2009, this environmentally conscious new residence is fitted with 2 x single phase 5.75HP Heat Pump Systems. One heat pump for heating the 3 x 10 metre indoor/outdoor pool, the other system for heating and cooling the 350sq/m house. The heating in the home is delivered via hydronic floor coils – the entire system has an expected annual reduction of 42.5 tons of greenhouse emissions, making this the lowest carbon emission heating available.

Two 6HP heat pumps power a water to water system that heats this beautiful naturally set 311sqm home. The dam sourced system heats the home via a hydronic floor coil system that saves 54 tonnes of emissions per year. This system has proved to be an execellent saving to the family, as well as made it comfortable during the colder months on the Monaro. Completed August 2008.

Large and comfortable holiday park located at Hastings Point. The purpose of the heat pump installation was to supply heating to two of the 3 swimming pools that the park has to offer. Each pool operates at a set temperature of 29° for the smaller pool and 27° for the larger. The pools are heated by an air to water system that is powered by 2 x 3 phase 13HP heat pumps. The annual saving of 398 tonnes of emissions has benefitted the holiday park's profitability and also making it much more environmentally friendly.

The system installed into this small alpine ski lodge delivers massive savings financially and environmentally. Over 79 tonnes of greenhouse gas emissions are saved every year. The water to water system is powered by a 13HP 3 phase heat pump which has a single phase variable speed starting converter to decrease load. The system provides heating via the floor throughout the lodge and also heating above the garage area via one fan convector. The system also supplies potable domestic hot water to all taps and showers.

In this 1890's built rural homestead located near Holbrook Geo Thermo Dynamics installed a water to water heat pump system. The system comprises of two 5.75HP heat pumps that use the farm's dam to draw energy from. The system saves 43 tonnes of greenhouse emissions per year giving the client considerable savings annually. Project completed February 2009.

Energy smart home located in the Albury region, comprising of water to water heat pump system. Heating is delivered via hydronic floor coils powered by one 6HP heat pump. The home also has ducted fan convector cooling to that cools the house in the extreme summer months that the Albury region delivers. The project was completed May 2007 delivering an expected greenhouse gas emission saving of 46 tonnes per annum, being beneficial for the client and environment alike.

Four 3 phase 13HP heat pumps heat the pools at Merimbula Beach Holiday Park. The air to water system keeps the water temperature at a steady 29°. The project was commissioned for operation prior to the peak Christmas season of 2006. The end result was a successful installation, saving over 315 tonnes of greenhouse gas emissions per year.

Four 3 phase 13HP heat pumps heat the pools at Merimbula Beach Holiday Park. The air to water system keeps the water temperature at a steady 29°. The project was commissioned for operation prior to the peak Christmas season of 2006. The end result was a successful installation, saving over 315 tonnes of greenhouse gas emissions per year.

Our largest job to date is the Alpine Training Centre in Thredbo, NSW, Australia. The system installed by Geo Thermo Dynamics at the Alpine Training Centre (associated with theAustralian Institute of Sport) is a lake-sourced water-to-water heat pump system.

This system consists of three heat pumps supplying heating for the main pool (visible below), two heat pumps used for heat recovery in the environmental control system for the swimming centre, and two heat pumps supplying heating to the building and the learner's pool.

The three heat pumps supplying heating to the main pool are our standard water-to-water type pool heat pumps. This pool is a 50-metre olympic size indoor pool, which is being heated to 27-28C. The two water-to-water heat pumps used for the environmental control system were attached to the existing passive heat recovery system, converting it an active heat recovery system. This system also recovers large quantities of heat from vent exhaust air from the pool building. The two water-to-water heat pumps used for heating the building and the learner's pool heating were high-temperature units specially designed for this application. The learner's pool also has a water slide, and the water for this pool is heated to a temperature of 30-31C.

The heat collected for the heat pumps is drawn through a series of heat exchangers from the Friday Flat lake, 500m away. The water from the Friday Flat lake is used in Thredbo's snow-making facilities, and the process of drawing heat out of the lake lowers the lake temperature, which assists in the snow-making procedure.

This system has a total energy output of approximately 360kW/h, which is, in our opinion, one the most efficient heat-pump systems in the world. The heating system saves a massive 600 tonnes of geenhouse gas emissions per annum.

Completed: December 1998

During the Summer of 1999/2000, the Australian Institute of Sport made the decision to upgrade the heating/cooling system for their spa & plunge pool at their Swim Centre in Bruce, Canberra. The spa and plunge pool is designed to improve the circulatory systems of the athletes by moving from the 39C spa to the 13C plunge pool. Although the heating system of the spa was adequate, the plunge pool had no system for regulating the temperature, to maintain it at 13C.

During the Summer of 1999/2000, the Australian Institute of Sport made the decision to upgrade the heating/cooling system for their spa & plunge pool at their Swim Centre in Bruce, Canberra. The spa and plunge pool is designed to improve the circulatory systems of the athletes by moving from the 39C spa to the 13C plunge pool. Although the heating system of the spa was adequate, the plunge pool had no system for regulating the temperature, to maintain it at 13C.

This is the second such system fitted at the Australian Institure of Sport by Geo Thermo Dynamics, after a successful 12 months operation of the first system fitted.

Completed: February 2000

This 380sq/m house is fitted throughout with a microprocessor controlled hydronic floor heating system. It is fitted with a 52kW output ground-sourced heat pump (see picture below). This heat pump supplies all domestic high temperature hot water for the home.

This 380sq/m house is fitted throughout with a microprocessor controlled hydronic floor heating system. It is fitted with a 52kW output ground-sourced heat pump (see picture below). This heat pump supplies all domestic high temperature hot water for the home.

Accurate long term records of energy consumption for this residence is available upon request.

Original Air Source Heat Pump System Completed: May 1993 Upgrade to Ground Source Heat Pump System Completed: May 1999

The system has been upgraded with an additional 5HP heat pump, now operating one heat pump for the house and one for the swimming pool. Upgrade was finalised October 2008.

This is a large two-storey solid granite building, built in the late 1890's. The ground-source heating system installed in this residence is based around a system of radiators (which are used solely for heating) and fan convectors (which are used for heating and cooling). Prior to the installation of this heating system, the house was heated by a series of open-fireplaces. The owners feel that the with the new heating system, this is the first time that the house has been comfortable for the residents. Completed: May, 1998

In 1995, the Senior Citizens Swim Squad at Cowra, moved to raise money towards the heating of the Cowra Olympic Swimming Pool. By the end of 1997, there were sufficient funds raised to pay for the installation of a gas heating system. The Cowra Shire Council requested tenders for the upgrade of the swimming centre.

While the gas heating system had a lower initial installation cost, after the Shire Council analyzed the Total Cost of Ownership (TCO), they made the decision to install an air to water heat pump system. Although the initial cost of the heat pump system installation was higher than the natural gas heating system, the long term operational savings and lower environmental impact, made the benefits of this system obvious.

This heating/cooling system is based on five air-to-water heat pumps (two of which are visible at left), with a nominal heat output of 260kW. Similar in design to the system later installed by GTD at the Condobolin Swim Centre, this system was designed to heat the pool up to 27C during the early and late parts of the swim season, and to cool the pool during the hottest part of the summer.

The Cowra Olympic Swimming Pool, consists of a 50m seven-lane pool (visible at right), and a small toddlers pool (visible in foreground at top).

Completed: September 1998

During a conversation in 1996, the owner of this house was made aware of geothermal heat pump systems. When he built his new residence at Numeralla, GTD advised the owner to fit hydronic floor coil heating into the concrete floor slab while it was being laid. Although he had no plans to fit a heat pump system at this stage, the house was prepared if he chose to do so at a later stage.

Once the house was finished to lock-up stage, the owner contacted GTD, and asked us to install a ground sourced water-to-water heat pump system. The heat for this system is being collected by a heat exchanger system buried underground below the house, and is not visible to the observer. The heat is then increased in temperature by a 3hp thermostatically controlled single-phase soft-start heat pump (visible at right). The heat from the heat pump is being transferred to a distribution manifold, which distributes the heat through the floor coils fitted thoughout the floor slab of this 220sq/m house (see below).

Completed: May 1996

Completed: September 1998

In 1995, the owners of this house approached Geo Thermo Dynamics asking if we had a potential solution to the problem of heating a their residence. The heating system in the house at the time was a single slow combustion wood fired heater. The retired couple who own this house felt that the chopping of firewood and maintenance required for a wood heater was becoming tedious, and sought an effective replacement.

Our solution to this problem was to replace their existing heating system with a Geo Thermo Dynamics ground sourced water-to-water heat pump system. The heat for this system is being collected by a heat exchanger system buried underground behind the house, and is not visible to the observer. The heat is then increased in temperature by a 3hp single-phase soft-start reverse-cycle heat pump (visible at left). The heat from the heat pump is being transferred to a large thermostatically controlled fan convector, which distributes the heat throughout this 160sq/m house (see below). This system is fully reversible, and during the summer months is used to cool the entire residence to a comfortably cool temperature.

The annual operating cost of this system is regularly less than $300 per annum. Prior to the installation of this heat pump system, the owners regularly spent more than twice this amount on firewood alone.

Completed: May 1995
Completed: May 1996
Completed: September 1998

Large rural homestead in the Countegany area. Installation of 2 x 5HP heat pumps for home heating.
The water to water system supplie both house and granny flat.If you would more information on this project or any other please contact Geo Thermo Dynamics.

Floor heating system that runs a single phase 6HP system in a large rural residential home.

Retrofit water to air 5HP system with ducted heating/cooling in large rural residential home.

Large rural residence on property near Goulburn using a water to water system with 2 x 5HP machines powering both heating and cooling.

Listed in the US book of ground breaking architecture this unique house was built in the 1960's. Installed in 2011 a water to water system is now used for heating and cooling.