Commercial HVAC



We get it; your business is your baby. We feel the same way. Let us help keep you and your employees comfortable and safe while you work. We provide sales, service, and installation on all of the following for your business:

  • Roof-Top Units
  • Economizers
  • Furnaces
  • Heat Pumps
  • Boilers
  • Coils and Air Handlers
  • Humidifiers
  • Dehumidifiers
  • Air Cleaners
  • Programmable Thermostats
  • Duct Free Split Systems
  • Custom Sheet Metal Fabrication, Design, and Installation
  • Other Commercial Comfort Products




Call us before minor repairs turn into major expenses.

Count on top-quality plumbing, heating, and air conditioning services from N.E. “Bob” Waltz Plumbing & Heating, Inc. in Frederick, Maryland.