The Solution Provider For Your Contracting or Service Business! Contractor Essentials is designed for construction companies and more specifically for HVAC contractors. Ever since our start in 1981, we have worked to help enhance and build on the foundation that began over 35 years ago. Our software system provides customers with a complete business solution that includes accounting functions such as GL, AP, AR, Payroll and Inventory to Job Costing, Estimating, Contract Management and Scheduling. Additional features include a GPS interface, built in emailing tool, vehicle and refrigerant tracking, EssentialsPro Mobile app and much more. We have both lease and purchase options available to help fit your budget. Please call 1-800-272-9908 for a quote specific to your needs.