Compatibility, availability
and value start with Z.

Allied Commercial™ Z-Series™ rooftop packaged units are built to save you time and money in installation costs. Available in 3- to 12.5-ton electric/electric, gas/electric and 3- to 10-ton heat pump configurations, they're stocked nationwide at an Allied Commercial distributor near you.

Save up to $1500

Save $1,500 in installation costs.*
No adapter curb needed.

Because it uses the most popular curb size in the industry, the Allied Commercial Z-Series reduces installation costs and saves you the expense of moving utility connections. It's a smart and economical choice for light commercial applications. Get product details »

Download the Allied Allied Crossover Replacement Tool

Find your perfect match with the Allied Commercial Cross-Reference Chart.

Feature comparison chart Download cross-reference chart. 

Call 1-800-448-5872 for your closest Allied Commercial distributor.

*$1,500 savings is calculated in replacement jobs where the Z-Series unit matches the existing curb and no other modifications are needed, compared to a replacement unit with a different footprint, using a price of $750 for a transition curb and $750 to move utility connections.

**Supply and return match Z-Series, however, curb may be wider and may require an adaptor curb. Please confirm existing curb dimensions. Compatibility refers to the existing curb fit and location of utility connections. It is the responsibility of the installing contractor to verify fit for each application.