High upfront costs

While their low operating costs and high CoPs lead to long term savings and savings on carbon emi...

Challenges in sustainability of heat transfer fluids

Some of the used fluids for heat transfer are of questionable sustainability and thus raise envir...

Challenges with heat pump valve failures

Reversing valve failure could be a reason for the cooling problems of the heat pump. This could b...

Cooling problems with heat pumps

Just like the case of heating problems, problems with thermostats, stemming from bad temperature ...

Leakage of heat pump refrigerants

Leakage in the refrigerant lines can lead to its charge reaching very low levels and resulting in...

Noise challenge with heat pump operations

Air source heat pumps are equipped with large fans and compressors. As a result, during operation...

Design challenges for heat pumps

Many problems with heat pump systems can be traced back to poor initial designs. If the designer/...

Poor heat pump installation

Poor installation of the heat pump unit, associated pipework and incorrect or poor quality parts ...

Challenges in cold temperature operations

During cold periods with those having heavy snowfall or prolonged sub-zero temperatures, heat pum...

Challenges with heat pump operations and performance in cold regions

Heat pumps can ice-up during the winter time and in some cases the entire coil could be covered i...