Review subcontractor product suggestions ahead of time to avoid the purchase of inappropriate materials and eliminate the need for costly change orders.
Some contractors might charge a premium for implementing and documenting this credit but, in general, costs should be minor or nonexistent as more firms start incorporating these as standard best practices.
If you implement the commissioning plan in-house, you may still want to work with a third-party firm to develop the plan. This is a good way of reducing costs while getting the benefit of outside expertise.
Consider additional training for building engineers to bring more of the ongoing commissioning work in-house. This will reduce costs, and also contribute to the training requirement as part of EAc2.2.
The ongoing commissioning process requires repeated systems testing and evaluation over a two-year cycle. This process requires an increased level of expertise and experience, is generally contracted through a third party, and can be costly.