1) Choose the most common brand.
2) Talk to contractor A,B,C. When you talk to them, never call HVAC guys on a hot day in the summer.
3) Ask the contractor to list what is the specific price for each specific work. It could make you understand each part of the job/price. (It also makes him feel guilty for the quote he gives you).
4) Use A'd price on B, and so on.
95% of 漏 happened at the connections. Make sure the connections are tightened.
Good luck!
2) Talk to contractor A,B,C. When you talk to them, never call HVAC guys on a hot day in the summer.
3) Ask the contractor to list what is the specific price for each specific work. It could make you understand each part of the job/price. (It also makes him feel guilty for the quote he gives you).
4) Use A'd price on B, and so on.
95% of 漏 happened at the connections. Make sure the connections are tightened.
Good luck!
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选择“don't run on pages on this domain”
