DeLong Service Company Inc. is a family owned business established in 1975. We have been serving Center City Philadelphia and it's suburbs for 45 years.

We are a full service company specializing in:

• REFRIGERATION
• HEATING
• AIR CONDITIONING
• PLUMBING
• ELECTRICAL

We provide service for commercial and residential customers.

DeLong offers top quality products and pride ourselves in exceptional service, timely maintenance schedules, and fair prices.

Our comprehensive service includes:

• WRITTEN ESTIMATES
• PREVENTIVE MAINTENANCE
• DESIGN SUPPORT

So for one stop shopping with confidence, call DeLong Service Company Inc.

Fully Licensed and Insured