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| |
|
 |
Type of System |
Existing System |
Base |
Good |
Better |
Best |
Air Conditioner
SEER Rating |
7 |
13.5 |
13.5 |
14.5 |
17.5 |
Furnace
AFUE Rating (%) |
64% |
80% |
92.1% |
93.1% |
95% |
Total Electric Cost |
$629 |
$365 |
$359 |
$367 |
$256 |
Total Heating Cost |
$3,574 |
$2,859 |
$2,484 |
$2,457 |
$2,408 |
Total Annual Cost |
$4,203 |
$3,224 |
$2,843 |
$2,824 |
$2,664 |
|
Total Annual Savings |
|
$979 |
$1,360 |
$1,379 |
$1,539 |
|
% Annual Savings |
|
23% |
32% |
32% |
36% |
|
Model numbers used are as follows:
Existing System – A/C SEER-7-036A, Furnace AFUE64-120H
Base – A/C 24ABR336A31, Furnace 58STA100-12
Good – A/A 24CA336A30, Furnace 58MCB100-16
Better – A/C 24APA536A30, Furnace 58MXB080-12
Best – A/C 24ANA136A30, Furnace 58UVB080-14 |
Heating and Cooling requirements used for calcuating the above Operating Cost Estimate:
Heating – 75000 Btuh
Cooling Capacity – 36000 Btuh
Winter Gas Cost ($/thrm) – $1.50
Electric Cost ($/kWh) – 0.14 |
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