ALT Power SystemsALT Power Systems

Geothermal Heating Geothermal Heating Radiant floor Heating Radiant floor Heating

Reflective Foil InsulationReflective Foil Insulation

GeothermalGeothermalGeneralGeneral

1. How does a geothermal system work? 1. How does a geothermal system work? – In the winter earth loop absorbs stored heat from the ground In the winter earth loop absorbs stored heat from the ground

which is compressed to a higher temperature and distributes it which is compressed to a higher temperature and distributes it throughout the buildingthroughout the building

– In the summer, the system reverses, pulling heat from the In the summer, the system reverses, pulling heat from the building, depositing it in the cooler earth.building, depositing it in the cooler earth.

2. What makes a geothermal system different from 2. What makes a geothermal system different from conventional systems? conventional systems? – Unlike conventional systems, geothermal systems do not burn Unlike conventional systems, geothermal systems do not burn

fossil fuel to generate heat--they simply transfer heat to and fossil fuel to generate heat--they simply transfer heat to and from the earth.from the earth.

3. How efficient is a geothermal system? 3. How efficient is a geothermal system? – Geothermal systems provide three to four units of energy for Geothermal systems provide three to four units of energy for

every one unit used to power the system.every one unit used to power the system.

Geothermal Heat CycleGeothermal Heat Cycle

Air Heat Cycle for a DX systemAir Heat Cycle for a DX system

Geothermal Cooling CycleGeothermal Cooling Cycle

Air Cooling Cycle for a DX systemAir Cooling Cycle for a DX system

Earth Loop OptionsEarth Loop Options

With Copper pipe: With Copper pipe: Horizontal Loop (Pit or Horizontal Loop (Pit or Trench), Vertical Loop, and Diagonal LoopTrench), Vertical Loop, and Diagonal Loop

DX System Advantages othersDX System Advantages others

Heating WaterHeating Water

The The GeothermalGeothermal heat pumps can be heat pumps can be used to heat the water for your used to heat the water for your home. This can be accomplished in home. This can be accomplished in two different ways:  two different ways:  – through integrated full-time water through integrated full-time water

preheating preheating – or through "desuperheating" water or through "desuperheating" water

heating.heating.

Water Heating (cont.)Water Heating (cont.)

Integrated water heating (on demand) Integrated water heating (on demand) uses the uses the GeothermalGeothermal system to heat system to heat water at water at any time of the yearany time of the year. Its first . Its first cost is higher, but it provides cost is higher, but it provides operating operating savings all yearsavings all year..

It provides quicker recovery from a cold It provides quicker recovery from a cold water tank than does an electric water tank than does an electric resistance water heater. resistance water heater.

Water HeatingWater Heating Heating rate & Savings projection for domestic water heatingHeating rate & Savings projection for domestic water heating A DX A DX EarthLinked® heat pump EarthLinked® heat pump compared to electric compared to electric

resistance heating.resistance heating.

ECR Model NoECR Model No Gallons Per Hour*Gallons Per Hour*

USUSBTUBTU COPCOP

SW-024 SW-024 42.342.3 23,25023,250 3.443.44

SW-030SW-030 53.053.0 29,40029,400 3.513.51

SW-036 SW-036 60.360.3 33,61033,610 3.603.60

SW-042 SW-042 72.272.2 40,26040,260 3.603.60

SW-048SW-048 84.884.8 47,20047,200 3.603.60

SW-060SW-060 105.9105.9 59,04059,040 3.563.56

*rated at 90°F water temperature rise *rated at 90°F water temperature rise

Water HeatingWater Heating

Desuperheating Water HeatingDesuperheating Water HeatingDesuperheating water heating Desuperheating water heating reclaims heatreclaims heat from the A/C cycle to heat water instead of from the A/C cycle to heat water instead of pumping it into the ground. Its first cost is lower. pumping it into the ground. Its first cost is lower. Savings are realized in the cooling season by Savings are realized in the cooling season by transferring waste heat to your hot water storage transferring waste heat to your hot water storage tank. Even in the heating mode the tank. Even in the heating mode the desuperheater can provides pre-heating to the desuperheater can provides pre-heating to the water heater. (You can scavenge heat from the water heater. (You can scavenge heat from the heating cycle) heating cycle)

Radiant Floor heatingRadiant Floor heating

Radiant Floor AdvantagesRadiant Floor Advantages

ComfortComfort- - The floor becomes the radiator, no The floor becomes the radiator, no cold spots cold spots HealthierHealthier-  -  less airborne dust & mold sporesless airborne dust & mold spores Less Less DraftsDrafts- - Does not create drafts caused by Does not create drafts caused by other types of heatother types of heat Fuel EfficientFuel Efficient-  -  Uses less fuel than any other Uses less fuel than any other distribution system distribution system FlexibilityFlexibility-  -  Can be installed in new and existing Can be installed in new and existing homeshomes

Radiant Heat Radiant Heat (cont)(cont)

Radiant heat is actually a low frequency radio Radiant heat is actually a low frequency radio wave that flows from the object with the highest wave that flows from the object with the highest temperature and is absorbed by any object that temperature and is absorbed by any object that has a lower temperature.has a lower temperature.

it does not heat the air between the two objectsit does not heat the air between the two objects it's ability to heat only those objects that need it's ability to heat only those objects that need

heat.heat. Even heat. Even heat.  heat from the sun comes to the earth in the form heat from the sun comes to the earth in the form

of radiant energy and heats the objects on earth. of radiant energy and heats the objects on earth.

Reflectix in wall constructionReflectix in wall construction

Reflectix in wall construction Reflectix in wall construction (cont)(cont)

Radiant Floor ApplicationsRadiant Floor Applications

Radiant Floor Applications Radiant Floor Applications (cont)(cont)

Eco Center Mini MailEco Center Mini Mail

Geothermal Heating, Radiant Heating and Reflective insulation was used in 60% or 4640 sq ft. of this building.

EcoCenter (cont.)EcoCenter (cont.) Electrical bill for Jan/04 was $370.80 Electrical bill for Jan/04 was $370.80

3625 KWH @ .0777 cent/kwh = $281.663625 KWH @ .0777 cent/kwh = $281.66

monthly charge = $18.34monthly charge = $18.34Municipal surcharge = $30Municipal surcharge = $30

GST and PST = $40.80GST and PST = $40.80

Day time use no heat Day time use no heat 1456 kwh@.0777 1456 kwh@.0777 = $113= $113

Heating for Jan/04 = $168.66Heating for Jan/04 = $168.66

If you can do everything with one utility you only If you can do everything with one utility you only have the one monthly charge.have the one monthly charge.

The gas delivery & monthly charge is The gas delivery & monthly charge is around $60around $60

Power BillsPower BillsFirst full month Electrical billFirst full month Electrical bill

(Heat pumps, and all our lights and work benches not hooked up yet.)(Heat pumps, and all our lights and work benches not hooked up yet.)

Oct and Nov Power BillsOct and Nov Power Bills

Dec and Jan Power billsDec and Jan Power bills

EcoCenter Heating for 03/04EcoCenter Heating for 03/04

Oct Heating 161.98 – 113 = $48.98Oct Heating 161.98 – 113 = $48.98 Nov Heating 188.66 – 113 = $75.66Nov Heating 188.66 – 113 = $75.66 Dec Heating 276.92 – 113 = $163.92Dec Heating 276.92 – 113 = $163.92 Jan Heating 281.66 – 113 = $168.66Jan Heating 281.66 – 113 = $168.66 Feb Heating 211.96 – 113= $98.96Feb Heating 211.96 – 113= $98.96 Mar Heating 194.89 – 113= $81.89Mar Heating 194.89 – 113= $81.89 April Heating (use same as Oct) = $48.98April Heating (use same as Oct) = $48.98

Total for 03/04 winter Heating for 4640sq ft at Total for 03/04 winter Heating for 4640sq ft at EcoCenter = $673.09 EcoCenter = $673.09

Average per month is $96.16Average per month is $96.16

ALT Power SystemsALT Power Systems

Thank youThank you