coil

My plumber is planning on using a series of sticks for our main lines going to the second floor from our basement. My question is: Would an uninterrupted 3/4” coil line provide a noticeable increase in flow vs 3/4” sticks (which would require 2 fittings potentially) to span the same distance...

House built in 1990, 1100 sq ft, 500 finished basement located in seacoast NH (heating 99% is 9). House is well insulated, not drafty at all. Basement was an upgrade done 10 years ago by previous owners and it is cold, even though it has a baseboard (too small for the space). Current boiler is...