Modular Air-to-Water Chillers & Heat Pumps

Name: Modular Air-to-Water Chillers & Heat Pumps
Brand: ACE FORGE HVAC

Modular air-to-water chillers and heat pumps for staged-capacity heating and cooling projects.

Specifications

Detailed dimensional and performance data for this family is being finalised. Ask us for the current submittal sheet.

Overview

A modular air-to-water unit is an air-source machine that produces hot or chilled water for a hydronic loop, built so several identical modules can be piped and controlled together as one plant. Capacity is staged by bringing modules in and out as the building load moves, instead of running a single large machine at part load all year.

The result is a hydraulic plant rather than a refrigerant one: modules sit outdoors and serve a water loop feeding terminal units, fan coils or radiant circuits. Service access is also modular, since one module can be isolated without taking the plant down. Staging needs a headered layout and a sequencing controller, both decided at design stage.

Where it is used

Commercial heating and cooling where the load varies widely across the year
Hydronic retrofits replacing or supplementing an existing boiler plant
Projects phased over time, adding capacity module by module as the building is occupied
Distributed plant layouts where one large packaged machine will not fit

Selection & installation notes

01
Decide the staging strategy before the equipment. How many modules, how they are sequenced and at what thresholds sets the headering, pipe sizes and controller requirement.
02
The water loop carries the design: leaving-water temperature range, flow rate, and whether a buffer tank or hydraulic separation is needed. Fix those before the factory can quote.
03
Plan the outdoor plant space for the full build-out. Headering, clearances and supply must suit the final module count from the start, because modular plant is usually expanded later.
04
No capacity, efficiency or model data is published here. Ask for the submittal sheet for the module being quoted, and confirm it covers the module count and control arrangement.

Common questions

Why publish no capacity data for this family?

Because the range is quoted against project conditions rather than as a fixed table on this site. Capacity and model data are confirmed per model on the submittal sheet, so the numbers you receive match your design conditions.

What does the factory need to quote a modular plant?

The block heating and cooling load and how it varies across the year; required leaving-water temperatures; design flow rate; ambient design conditions; available electrical supply; and whether the plant is new or an addition.

Can modules be added later?

That is the point of a modular arrangement, but it must be designed in from the start. Headering, clearances, pipe sizes and electrical capacity must suit the final module count.