Estimate a split AC installation bill from the extra copper pipe length beyond the standard kit and the one-off extras such as a stand, core cutting and drain pipe.
How to use it. Ask the dealer or brand what the standard installation includes. Many installation packages for a split AC include a fixed length of copper pipe (often quoted as a few metres) with the indoor and outdoor unit, mounting of the indoor unit and a basic drain connection. Anything beyond that is charged separately. Enter the extra length only, the per-foot rate range and, in the last field, the total of fixed items: the basic installation fee (if it is not free with purchase), the outdoor unit stand or wall bracket, core cutting through a thick wall, and any extra drain pipe or electrical work billed as a lump sum.
Formula. Estimated bill = extra pipe length × rate per foot + fixed extras.
Worked example (illustrative). 10 extra feet at ₹180–₹300 per foot plus ₹3,000 of fixed items (basic fee ₹1,500, stand ₹1,000, drain and sleeve ₹500) gives roughly ₹4,800–₹6,000. GST on the installation service is usually charged on top; check whether the quoted amount includes it.
Limits. Copper prices move with metal markets, and per-foot rates differ by city, brand programme and installer. Rates here are illustrative, not quotes. Long pipe runs can also require extra refrigerant charge, which some installers bill separately. Always ask for an itemised written bill before work starts and compare it with the brand's published rate card if one exists.
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