some readings

来源: 越王剑 于 2018-06-04 19:28:20 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (348 bytes)

https://asm-air.com/hvac/hvac-installation-cost/

https://www.centralairconditionerprice.com/

check your county and/or local energy supplier for rebate of replacing really old ac units.

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