Emergency HVAC Repair Services Available 24/7 in Baltimore & DC

Our Services

Repair/Maintenance Contracts

NAC's Mechanical Service division focuses on keeping your operation running at peak performance. No plant can afford inefficient operation or untimely downtime.

Our technicians are multi-skilled and are available 24 hours a day, 7 days a week to assist you with all of your mechanical service needs. We are your "One Source". It's our job to get you operational, and back on-line fast.

Proper maintenance of HVAC systems helps your bottom line! HVAC systems should be maintained according to the manufacturer's suggested schedule. Our Preventive Maintenance Contracts promote HVAC system efficiency, helps our environment and may result in lower energy bills.

We can provide service for Complete Systems or Single Components:

  • Cooling Towers
  • Chillers
  • Boilers
  • Compressors
  • Exhaust Fans
  • Electric, Pneumatic & Electronic Control Systems
  • Computer Room Systems
  • Filtration Systems
  • Energy Conservation & Management
  • Pumps
  • Frequency Drives

Emergency Rental Services

Available 24 hours a day for cooling, heating and domestic hot water as well as emergency generation. Chillers, cooling towers, power generators and boilers.