- Helicopter delivering a rooftop HVAC unit [01]
- Helicopter delivering a rooftop HVAC unit [02]
- Helicopter delivering a rooftop HVAC unit [03]
- Helicopter delivering a rooftop HVAC unit [04]
- Helicopter delivering a rooftop HVAC unit [05]
- Helicopter delivering a rooftop HVAC unit [06]
- Helicopter delivering a rooftop HVAC unit [07]
- Air handling unit on the roof of the former Walmart in Leesburg, Virginia