Flowing block and heat transfer characteristics of urban sewage as cold and heat source of heat pumps;

Application of immersion systems with urban wastewater as cold and heat source;

The CO_2 emission reduction potential analysis of cold and heat source in HVAC;

Comparative study of urban wastewater and other cold and heat sources;

The investigation shows that used as cold and heat sources,the Yangtze River water is suited for developing water source heat pump technology and the shell-and-tube direct water source heat pump system is a feasible form.

Summarizes the design of air conditioning system modes,cold and heat sources,water systems and automatic control systems.

Energy saving in hospital with new technology on heat and cold source;

Discuss on using Yangtse River water as heat and cold sources of water source heat pumps;

Scheme-selection of the air-conditioning heat and cold sources based on the multiple objective analysis;

Analysis on cold/heat source schemes of air conditioning in official apartment;

Scheme comparison of air conditioning cold/heat source in control center of Yellow River Division Project;

Air conditioning cold/heat source decision making system based on Internet and analytic hierarchy process;

Optimization and selection of heat/cold source scheme for air conditioning-comments on value analysis of heat/cold source selection for air conditioning;

Value analysis of heat/cold source selection for HV∾

Scheme optimization of air-conditioning cooling and heating source based on ideal point method

Then the two different configuration schemes of the cooling and heating source were compared.