n*l
2 楼
前任房主留下的furnace和AC都24年了，在basement，准备换新的。
原系统是 trane xe80 10k BTU, trane xe1000 2.5 ton
Michigan南部， 1930sqft， 两层，地下室 600sqft
问过Costco，HD， 已经一家local 公司，现在收到最好的报价：
1，Lennox ML195UH090XP48C and 13ACXN036-230 $5300
2, Lennox ML180UH090P48B and 13ACXN036-230 $4550
addons：
Lennox HC11/20 Merv 11 20x25x5 Media Filter and Cabinet $295
Lennox HCWB3-17 17 gallon bypass humidifier $325
5 years labor, 10 years parts.
1，请问大家价格合适不？
2，media filter 和 bypass humidifier 有装的必要吗？之前住apt，家里冬天特别干
燥，不知道装了humidifier之后，能有多大改善。
原系统是 trane xe80 10k BTU, trane xe1000 2.5 ton
Michigan南部， 1930sqft， 两层，地下室 600sqft
问过Costco，HD， 已经一家local 公司，现在收到最好的报价：
1，Lennox ML195UH090XP48C and 13ACXN036-230 $5300
2, Lennox ML180UH090P48B and 13ACXN036-230 $4550
addons：
Lennox HC11/20 Merv 11 20x25x5 Media Filter and Cabinet $295
Lennox HCWB3-17 17 gallon bypass humidifier $325
5 years labor, 10 years parts.
1，请问大家价格合适不？
2，media filter 和 bypass humidifier 有装的必要吗？之前住apt，家里冬天特别干
燥，不知道装了humidifier之后，能有多大改善。
s*s
3 楼
不靠谱
经常克扣
经常克扣
d*j
4 楼
不知道michigan的价格，但是这个系统有问题，我整理如下：
Unmatched furnace 4 ton and ac 3 ton: Find out the heat loading by using
manual J and get a right heat loading at winter. Make sure the ductwork is
the correct size to equip a 4-ton blower and is enough to run a high volume
airflow at 1830cfm. Make sure to run a pressure test and set at a right
speed at the heating mode by default. To adjust the blower speed based on
the pressure test for the cooling cycle. Otherwise, the high airflow will
cause a high superheat and a high humidity in summer, very uncomfortable.
The blower can choose a variable speed motor and will lower your bill.
It is necessary to install a bypass humidifier if it is dry in winter.
Find a reliable HVAC tech with NATE certificated or with RSES.
Unmatched furnace 4 ton and ac 3 ton: Find out the heat loading by using
manual J and get a right heat loading at winter. Make sure the ductwork is
the correct size to equip a 4-ton blower and is enough to run a high volume
airflow at 1830cfm. Make sure to run a pressure test and set at a right
speed at the heating mode by default. To adjust the blower speed based on
the pressure test for the cooling cycle. Otherwise, the high airflow will
cause a high superheat and a high humidity in summer, very uncomfortable.
The blower can choose a variable speed motor and will lower your bill.
It is necessary to install a bypass humidifier if it is dry in winter.
Find a reliable HVAC tech with NATE certificated or with RSES.
m*1
5 楼
这个网站买GC 是不给CB的，大家跳之前都不GOOGLE一下的吗？？
d*j
6 楼
Must install TXV to adjust the evaporator coil.
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