BUILDING AND CONSTRUCTION

Air Conditioning, Heating, Ventilating:

air conditioner

Photo of some modern air conditioning units

Air conditioners (Room systems, Split systems, Central Systems--commercial, industrial, residential)
Air distribution and treatment
Clean rooms and work stations
Computer rooms
Humidifiers and dehumidifiers
Air cleaners
Heat pumps
Liquid chillers
Refrigeration systems

Central heaters:

Forced air, boilers, oil, gas, electric
Infra-red radiant large space heaters
Modulating & multi-zone furnaces

Building Control Systems:

electronic key system to lock and unlock doors

Remote (building) control: hvac, fire, smoke
Humidity
Lighting
Security and surveillance
Temperature
Emergency lighting

Building Products:

Metal framing
Pre-cast concrete
Roofing materials
Sheathing and siding
Floor covering
Electrical entrance and wiring products

Other:

Major appliances
Building appraisal services
Architectural drafting products
Construction information services
Construction machinery
Hand and power tools
Surveying instruments
Water heaters
Elevators
Piping