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发表于 2013-7-31 23:26:09
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本帖最后由 kaiensi 于 2013-7-31 10:53 编辑
【水、电、气和各种管道】
Increase service to 200 amps $900 to $1,500
Run separate electrical lines $250 to $400
Install connectors on outlets (of aluminum wired homes) $25 to $30 per connection/ $2,600 to 3,900 (whole house)
Replace warm air furnace $2,500 to 4,800
Replace electric heat pump $3,200 to 4,600
Replace central air conditioning system (electric) $2,500 to 4,000
Replace central air conditioning system (gas) $3,600 to 4,500
Install humidifier $500 to 750
Install electrostatic air cleaner $600 to 850
Replace hot water boiler $3,500 to 4,500
Install attic ventilation $350 to 550
(40-gallon capacity) $500 to 750
(40-gallon capacity) $400 to 650
Install new well $4,000 to 6,000
Install new septic system $4,000 to 6,000
Install sump pump $500 to 600
Install French drain and sump pump $3,000 to 4,500 |
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