The Friedrich KHS12A33A 12000 BTUH 10,9 EER Kuhl Series Premium Heat Pump Models are high-efficiency heat pumps that provide reliable, affordable heating and cooling. These models are designed with a 10,9 EER and 12000 BTUH to provide efficient heating and cooling for a variety of applications. The Friedrich KHS12A33A 12000 BTUH 10,9 EER Kuhl Series Premium Heat Pump Models are high-efficiency heat pumps that provide reliable, affordable heating and cooling. These models are designed with a 10,9 EER and 12000 BTUH to provide efficient heating and cooling for a variety of applications.