Buying which model of air conditioner was an easy decision for me but currently having dificulty to find a good air conditioner contractor having good installation job. I find many air conditioner contractors are giving lousy service and not doing the installation according to SOP. Many contractors are hiring unqualified/uncertified technician(s) and they tend to do the job according to their "own pasar standard". When U tell them "Ur suppose to do it according to the manual as written", they will tell U "I'm been doing this for years and I haven't seen anything problem due to this". Most of them are "btc" which means nvr been to school for education.
I currently looking ard for a good reputable contractor who can do a good job. I don't mind paying so longs the quality of the job done is above my satisfaction level. Any suggestion would be greatly appreciated.
The airconds will be installed with concealed trunking, this is the toughest part for me due to I have to find a contractor who can do a excellent job in both installation and concrete works. Headache

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Aside frm different air conditioner output, typical inverter and conventional air conditioners are having dirrerent labout rate of installation charges since typical inverter air conditioners are using R410A refrigerent which is more expensive than R22 refrigerent and besides the copper pipings are different in dimension. U need to specific which type of air conditioner besides the output of it.
Above rates are for what air conditioner output? Inverter or conventional air conditioner?
R410A and R22 are different in price. Typical inverter air conditioners are running on R410A refrigerent. Why is the service charges the same between inverter and conventional air conditioner?
Unstable in terms of what?
Some time follow manual will not work. If I follow manual to install digital lock I won't get it install into my door already. Manual is good but experience is a must.