Job Details: Job Location: Hassler Heating - El Cerrito, CA, Position Type: Full Time, Salary Range: $22.00 - $30.00Hourly, We are seeking a detail-oriented AP/AR Specialist to support the accounting operations of our busy HVAC service company. This role will handle vendor invoices, customer billing, payment processing, collections, and general accounting support. Key Responsibilities Accounts Payable Enter, review, and process vendor invoices. Verify pricing, taxes, job references, and payment terms. Assist with weekly check runs and ACH payments. Maintain accurate vendor records and respond to vendor inquiries. Accounts Receivable Prepare and send customer invoices based on completed HVAC service and projects. Review ServiceTitan jobs to ensure labor, materials, equipment, and other charges are billed accurately. Apply customer payments and resolve posting issues. Follow up professionally on past-due accounts. Assist with credits, refunds, and customer account maintenance. General Accounting Maintain accurate digital records and documentation. Assist with reconciliations and month-end close. Work with dispatch, technicians, operations, and management to resolve billing issues. Perform other accounting and administrative duties as needed. Qualifications 1–2+ years of AP, AR, bookkeeping, or accounting experience. Experience with ServiceTitan strongly preferred. Experience in HVAC, construction, home services, or another service business is a plus. Basic understanding of accounting principles. Proficiency with Excel and email. Experience with QuickBooks, Sage, NetSuite, or similar accounting software. Strong attention to detail, organization, and communication skills. Comfortable working in a fast-paced, high-volume environment. Schedule: Monday–Friday Qualifications: