Hiring a contractor to maintenance your equipment? This Maintenance Contract sets the expectations between the client and the contractor.A maintenance services agreement is a legal document between two parties in which one party provides ongoing maintenance support for the other party. Download our free Equipment Maintenance Agreement template for your business needs. A preventative maintenance agreement is a service contract designed to help businesses maintain their equipment and avoid costly repairs. Dos and don'ts of an HVAC maintenance agreement; 7 free HVAC service contract templates; Tips on how to sell your HVAC maintenance program. A deposit equal to eight weeks rental may be required for new accounts. REPAIR SERVICES ("Agreement.