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Energy Cost Calculator for Heat Pumps(5.4-20ton)

Posted on Jul 13, 2008 |

Energy Cost Calculator for Commercial Heat Pumps (5.4 >=< 20 Tons)


Vary equipment size, energy cost, hours of operation, and /or efficiency level.
INPUT SECTION
Input the following data (if any parameter is missing, calculator will set to default value).Defaults
Project Type New Installation
Condenser Type Air Source
Existing Capacity * ton—
Existing Cooling Efficiency * EER—
Existing Heating Efficiency * COP—
Existing IPLV Efficiency * IPLV—
New Capacity ton10 tons
New Cooling Efficiency EER10.1 EER
New Heating Efficiency COP3.2 COP
New IPLV Efficiency IPLV10.4 IPLV
Energy Cost$ per kWh$0.06 per kWh
Annual Hours of Operation for Cooling hours1500 hours
Annual Hours of Operation for Heating hours1500 hours
Quantity of Heat Pumps to be Purchased unit(s)1 unit
* Existing values should only be entered when Project Type is a replacement.
OUTPUT SECTION
Performance per
Heat Pump		Your
Choice		Existing
Heat Pump		Base
Model		FEMP
Recommended
Level		Best
Available
Cooling Efficiency EER
Heating Efficiency COP
IPLV Efficiency IPLV
Annual Energy Use kWh
Annual Energy Costs$$$$$
Lifetime Energy Costs$$$$$
Lifetime Energy Cost Savings$$$$$
Lifetime Energy Cost Savings for Heat Pump(s)$$$$$

Your selection of a ton heat pump will have a $ energy cost savings per heat pump over an estimated 15 year life expectancy compared to the base model.

If you feel the above is not suitable for you. You can download Building Life-Cycle Cost (BLCC) software heat pump cost counting tool from our website.

Assumptions

  • “Base model” has an efficiency that just meets the national minimum standard for that capacity.
  • Lifetime energy cost is the sum of the discounted value of the annual energy costs based on assumed commercial heat pump life of 15 years.
  • Future electricity price trends and a discount rate of 3.2% are based on Federal guidelines.
  • $0.06 for electricity is the Federal average price in the U.S.
Disclaimer
This cost calculator is a screening tool that estimates a product’s lifetime energy cost savings at various efficiency levels. Maintenance and installation costs do not vary significantly among the same product having different efficiencies; so, these costs are not included in this calculator tool. For a detailed life-cycle cost analysis, FEMP has developed a tool called Building Life-Cycle Cost (BLCC). This downloadable tool allows the user to vary interest rates, installation costs, maintenance costs, salvage values, and life expectancy for a product or an entire energy project.

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