HEAT PUMPS

By: Peter Francis Sarabosing

WHAT IS A HEAT PUMP?

• “Pumps” heat from one place to another, either heating or cooling one’s home

• Winter moves heat from outside to inside your home

• Summer moves heat from inside to outside your home

• Reverses natural flow of heat from warm place to cooler places

HOW DOES A HEAT PUMP WORK?

• Cooling Mode (Explained)

HOW DOES A HEAT PUMP WORK?

• Heating Mode (Explained)

TYPES OF HEAT PUMPS• The three main types of heat pumps are AIR

SOURCE, DUAL FUEL, and GEOTHERMAL

PROS/CONS OF A HEAT PUMP

PROS• Much higher efficiency (when installed correctly)• Lower operating Costs (from 30-50% less than

electric furnaces)• Uses less electrical energyCONS• Higher installation costs• Can require large land areas and excavations• Water usage restrictions can present problems

REFERENCES

• http://www.barks.com/2002/02-05feat.html• http://energyoutlet.com/res/heatpump/how.html• http://www.dhclimatecontrol.com/hp.htm• http://home.howstuffworks.com/question49.htm