Commercial Cost Comparison

My cost comparison program is not responding tonight but, I can do it long hand based on the loads I have compiled.

The building will consume approximately 181 million btu’s annually (heating)

(NOTE: This Commercial Building is approximately 6500 square feet)

HEATING SAVINGS

1 million btu’s generated using a $1.00 per therm natural gas cost and a 95% AFUE boiler will = $10.53 x 181=$1906.00

1 million btu’s generated using a $1.20 per therm natural gas cost and a 95% AFUE boiler will = $12.63 x 181=$2286.00

1 million btu’s generated using a GEO system w/ an average 4 COP and an electric rate of .12 cents (WE Energies / WPS) per KWH = $8.79 x 181=$1591.00

1 million btu’s generated using a GEO system w/ an average 4 COP and an electric rate of .07 cents (Kaukauna electric) per KWH = $5.13 x 181=$928.00

So….. depending on the cost of gas and/or electric you could save as little as $315.00 per heating season OR as much as $1358.00 per heating season.

COOLING SAVINGS

Cooling savings will be approximately $300.00 annually. Based on commercial cooling loads and efficiency differences. A conventional A/C system would          have to be a 28 SEER to be comparable.

DOMESTIC HOT WATER SAVINGS

The domestic hot water saved will be about 60% – However, in a typical commercial setting the annual cost to produce hot water may only be $400.00 depending on the fuel source.

COMPARISONS TO FOLLOW:

GEO SYSTEM COST           $49,400.00

CREDITS COMPLETE        $(19,000.00)

$30,400.00

 

CONVENTIONAL COST    $21,000.00

CREDITS COMPLETE        $(1,500.00)

$19,500.00

 

DIFFERENCE OF COST:                   $10,900.00

 

BEST CASE SENARIO:

ANNUAL HEATING SAVINGS         $1358.00

ANNUAL COOLING SAVINGS         $300.00

ANNUAL HOT WATER SAVINGS    $200.00

TOTAL                                                $1858.00 (OR 5.8 YEAR PAY BACK)

 

WORST CASE SENARIO:

ANNUAL HEATING SAVINGS         $315.00

ANNUAL COOLING SAVINGS         $300.00

ANNUAL HOT WATER SAVINGS    $200.00

TOTAL                                                $815.00 (OR 13.4 YEAR PAY BACK)

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