The force of gravity on Earth is the resultant (vector sum) of two forces: (a) The gravitational attraction in accordance with Newton's universal law of gravitation, and (b) the centrifugal force, which results from the choice of an earthbound, rotating frame of reference.
1. The average construction cost per square foot for commercial hvac is around $35 per sqaure foot. Now it depends on you that either you are making it lavish or not. Mostly people who are constructing it is costing them around $35-40 per square foot.. The average per square foot cost for commercial office space construction can be anywhere between $100 per square foot to $200 per square foot or even more. The cost will depend on the kind of material and fitting and furniture you plan to use for the office construction.
MANAGING ENERGY COSTS IN RETAIL BUILDINGS. Retail buildings in the U.S. spend an annual average of $1.21 per square foot on electricity. and 14 cents per square foot on natural gas. In a typical retail building, lighting, cooling, and heating represent between 69 and 84 percent of total use depending on climate,