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 ResponsibilitiesAccounts 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.
-
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
Skills Required
- 1-2+ years of AP, AR, bookkeeping, or accounting experience
- Experience with ServiceTitan
- 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
- Experience in HVAC, construction, home services, or another service business
What We Do
Hassler Heating and Air Conditioning is an award-winning HVAC solutions provider based in El Cerrito, California. The company specializes in residential and commercial heating and cooling services, with a strong focus on improving home energy efficiency through the installation, repair, and maintenance of high-efficiency systems, including heat pumps and ductless split systems, primarily serving the East Bay area.








