Access the most frequently asked questions (FAQs) on our air to water NRB. The unit is available as a chiller, heat pump, or integrated free cooling chiller with heat recovery options. Don't see the answer to one of your questions? Send us an email at and one of our team members will be happy to assist you.

Is it possible to have single point power when there are multiple NRB’s working together with a multichiller?

Not from the factory.

Can multiple NRB’s be controlled together with a single controller?

Yes with a Multichiller this is possible.

How low can an NRB chiller operate down to?

-4F (-20C) ambient for most sizes and 14F (-10C) for some sizes. Must check with Aermec representative on each selection.

What condenser coils do the NRB’s use?

Microchannel coils for the chiller and free cooling chiller, and standard coils for heat pumps.

What options are NRB’s available in?

Chiller, heat pump, free cooling chiller, partial or total heat recovery.

What size is the NRB available in?

58 to 228 Tons