Machines
Heating, cooling and ventilation systems, their mechanisms and the tools used on them, part by part.
Systems
- Forced-air system
- Furnace
- Condensing furnace
- Gravity furnace
- Pilot light
- Steam heat
- Two-pipe steam
- Hot-water heat
- Condensing boiler
- Radiant floor heating
- Central air
- Heat pump
- Mini-split
- Geothermal heat pump
- Room air conditioner
- Water heater
- Tankless water heater
- Heat pump water heater
- ERV
- Ventilation
- Humidifier
- Dehumidifier
- Flue
- Gas piping
- Zoning
- Condensate drain
Mechanisms
- Radiator air vent
- Steam trap
- Thermostatic radiator valve
- Pressuretrol
- Low-water cutoff
- Sight glass
- Aquastat
- Expansion tank
- Pressure relief valve
- Zone valve
- Circulator pump
- Damper
- Vent damper
- Condensate overflow switch
- Condensate pump
- Expansion valve
- Reversing valve
- Scroll compressor
- Capacitor
- Contactor
- Thermocouple
- Thermopile
- Hot surface igniter
- Flame sensor
- Pressure switch
- High limit switch
- Fan limit control
- Mercury thermostat
- Humidistat
- Backflow preventer
- Boiler fill valve
- Mixing valve
- Gas valve
- Gas pressure regulator
- Draft hood
- Hartford loop
- Inducer motor
- ECM motor