- HVAC
- Building automation
- Process cooling
- Steam
- Heating water
- Chillers
- Pumps
- Piping
- Ductwork
- Back flow devices
- Process chillers
- Natural gas, fuel oil, and propane high and low pressure steam boilers
- Natural gas, fuel oil, and propane water boilers
- Domestic hot water equipment
- Cooling towers
- Fluid coolers
- Air handlers
- Roof top units
- Acid scrubbers
- Liquid pumps for all purposes
- Heat pumps
- Water source heat pumps
- Facility plumbing
- Process piping
- Computer rooms