REFRO Sp. z o.o. (formerly Castel Engineering Polska) is a Polish manufacturer of mounting and support systems for air conditioning, heat pumps and refrigeration equipment.

Our product range includes Rubber Blocks anti-vibration bases, Frame Foot Mini compact supports and Frame Foot modular support systems for larger rooftop and commercial installations. These solutions provide stable support without penetrating the roof membrane and can be configured to match different equipment dimensions and project requirements.

We work with distributors, wholesalers and equipment manufacturers, offering direct factory supply, technical support and assistance with product se ...