Commercial & Residential

Heater Repairs, Services & Installations 

• Furnaces
• Heat Pumps
• High Efficiency Units
• Hot Water & Steam Boilers
• System Design & Installation
• Preventive Maintenance
• General Repair
• Authorized Warranty Services:
• Bryant, Carrier, Lennox, Train, York and other Major Brands.

Whether you are a large business, a small business, or a residential customer, DeLong Service Co. is equipped to assess , install, and maintain the heating needs for your premises.

Choosing from one of the many top brand product lines assures you of reliable and efficient performance from a quality built product.