FAQ's

Q. How does geothermal heat work to heat and cool my home?

A:  A geothermal system takes advantage of the earth’s relatively
constant ground temperature to provide heating, cooling, and hot water. It moves heat that already exists. In the winter, the system collects heat from the ground and carries it through the system and into the indoor air delivery system. In the summer, the system reverses itself to cool the building by pulling heat from the building and depositing it in the ground.
For more details go to IGSHPA.

Q: How much does a GHP geothermal system cost?

A:  The initial investment for a GHP system is greater than that of conventional systems…roughly $18,900 for a 2.5 ton unit. By comparison, the alternative would cost around $12,00. But when you consider the operating costs of a GHP system, the initial difference in purchase price is quickly offset by energy savings. Properly installed systems will operate (and save energy) best.

Q: What other costs are there?

A: The installation charge for the electrical work, ductwork, water hook-up, and other provisions or adaptations to your home that are required will be estimated in advance by your installer. Prices may vary. Its cheaper to get it done right the first time, rather than have shoddy work initially, which will give you a sub-standard system.

Q: What about comfort?

A:  A GHP system moves warm air (90-105 ℉) throughout the building via standard ductwork. An even comfort level is created because the warm air is moved in slightly higher volumes and saturates the building with warmth more evenly. This evens out hot or cold spots and eliminates cold air blasts common with fossil fuel furnaces. You will have the MOST even temperatures throughout if the system is designed and installed by a reputable contractor, who uses extra supply vents and extra return air vents.

Q: What are the environmental benefits?

A:  GHP systems conserve energy and reduce the amount of toxic emissions in the atmosphere. They use renewable energy from the sun, and because systems don’t rely on outside air, keep indoor air cleaner and free from pollens, outdoor pollutants, mold spores and other allergens.

Q. Are GHP systems difficult to install?

A: Most units are easy to install, especially when they are GHPs which can be installed in areas unsuitable for fossil fuel furnaces because there is no combustion thus no need to vent exhaust fumes. Ductwork must be installed in homes without an existing air distribution system. The system will perform best with properly installed ductwork.

Q: Will my existing ductwork function with this system?

A:  Yes, in most cases. Your installer will be able to determine ductwork requirements and modifications.  A good installer will check the ductwork, and improve upon it if needed.

Q: Can I install a ground heat exchanger myself?

A: It’s not recommended. In addition to thermal fusion of the pipe, drilling and trenching are procedures best handled by licensed professionals with a good reputation. Other installations may result in less than optimum performance, which could cancel out anticipated savings.

Q: Do freezing conditions create any problems?

A: Not if a system is properly designed and installed.

Q: How can I be sure the pipe is installed properly?

A: Use a reputable contractor. Get references.

Q: Will an underground loop affect my lawn or landscape?

A: No. Research has shown that loops have no adverse affect on grass, trees, or shrubs.

Q: How does a GHP system heat water?

A: Using what is called a desuperheater, GHPs turn waste heat to the task of heating hot water. GHP Inc. has a special method of saving you even more on your hot-water costs.

Q: Is it advisable to install a GHP system large enough to handle my total heating needs?

A: Your installer should provide a heating and cooling load calculation for your equipment. Careful planning is important, to make sure the system fits your lifestyle and your home, for optimum comfort.