Integral solar and heat pump water heating system

Integrated apparatus for producing warm water

Integrated mini ice sheets

Intermittent solar ammonia absorption cycle refrigerator

Latent-heat heating and cooling system

Low energy consumption air conditioning system

Method and apparatus for absorption refrigeration

Method and apparatus for controlling an air conditioner with a s

Method and apparatus for use of heat taken up at low temperature

Method and apparatus for using solar energy to augment a refrige

Method and system for creating and maintaining a frozen surface

Method of and apparatus for emitting light in ice

Method of using frozen salt water to maintain a low cost, low en

Multi-purpose recreational facility

Multiple source heat pump

Natural air-conditioning system for a car

Non-reversible multiple-refrigeration-cycle solar apparatus incl

Portable ice skating rink

Portable skating rink

Process for auxiliary air conditioning of a motor vehicle