hvac cost in retail space per square foot
3. 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.he 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.