Winter Maintenance Checklist for HOAs and Condos. Keep Your Community Safe and Efficient This Winter with Vertex Professional Group. Winter is here, and with it comes unique challenges for Homeowner Associations (HOAs) and Condominium Associations. Ensuring your community is prepared for the colder months is essential for maintaining safety, comfort, and property value. At Vertex Professional Group, we specialize in helping associations like yours navigate the complexities of property management year-round. Here’s our comprehensive winter maintenance checklist to help your community thrive during the cold season.