What moves the price?
Heating and cooling type Ask how this factor appears in the written scope and whether it is fixed, estimated or an allowance.
Capacity and load calculation Ask how this factor appears in the written scope and whether it is fixed, estimated or an allowance.
Efficiency tier Ask how this factor appears in the written scope and whether it is fixed, estimated or an allowance.
Ductwork condition Ask how this factor appears in the written scope and whether it is fixed, estimated or an allowance.
Electrical and control changes Ask how this factor appears in the written scope and whether it is fixed, estimated or an allowance.
How to compare estimates
Compare preparation, materials, quantities, access, cleanup, permits, warranty and exclusions. A low number can become expensive when necessary scope is missing.
Methodology
These are editorial planning estimates for common residential work, not quotes. Final market data and named professional review must be attached before public launch.