Residential HVAC



Count on us as an authorized dealer for Carrier® heating and air conditioning products, as well as installations and services on other brand-name equipment. Our Indoor Air Quality experts provide installation of Air Treatment Devices such as humidifiers, UV lights, and air filters. We provide sales, service, and installation on all of the following for your residence:

  • Air Conditioning
  • 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 Home 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.