Energy use monitoring system

Freezer alarm system and apparatus for refrigeration units

Heating and cooling system monitoring apparatus

HVAC controller

Illuminating thermostat

Indicating and control instruments

Low noise solid-state thermostat with microprocessor...

Method and means for determining malfunctioning of a...

Method for designing a vehicle thermal management system

Method of sensing failure of thermostat in vehicle

Microcomputer-controlled system with redundant checking of senso

Mimetic thermostat

Multiple thermostats for air conditioning system with time...

Operating system for a motor vehicle automatic air-conditioning

Portable calculator for refrigeration heating and air conditioni

Poultry environmental control systems and methods

Programmable thermostat including a feature for providing a...

Programmable thermostat incorporating a liquid crystal...

Programmable thermostat incorporating a liquid crystal...

Programmable thermostat incorporating air quality protection