The Malco Group Adds Intelligent Sensing and Variable Speed to Aspen Mini Pumps

Variable speed technology adjusts pump output automatically, helping reduce wear and support longer service life across applications.
Jan. 8, 2026
2 min read
Malco Group
695ff43db1dbd71699535753 Malco Group Aspen Pumps

The Malco Group introduced four new condensate mini pumps from Aspen Pumps, expanding its Mini White and Silent+ Gen5 Series product lines. The pumps are scheduled to be available in spring 2026 and are designed for residential and light commercial HVACR applications.

The new Aspen mini pumps incorporate intelligent capacitance sensing and variable speed technology, allowing the pumps to adapt operation based on condensate levels. This design removes the need for mechanical float switches and supports simplified installation.

Aspen Pumps Mini White

The Aspen Mini White is designed for below-unit ductless mini-split installations and supports both residential and light commercial systems.

Key specifications include:

  • Maximum flow: Up to 5 gallons;

  • Maximum head: 33 ft;

  • System capacity: Up to 7.5 tons / 90,000 Btu/h; and

  • Sound level: 21 dB(A).

The unit features a removable reservoir for access during service and is intended for visible installations where accessibility and straightforward maintenance are required.

Aspen Pumps Silent+ Gen5 Series

The Silent+ Gen5 Series includes three mini pump models designed for low-noise operation and flexible installation options. All models incorporate intelligent capacitance sensing and variable speed operation.

Silent+ Mini Aqua

  • Designed for in-unit and remote installations;

  • No moving parts requiring maintenance;

  • Compatible with ducted systems, floor-standing units, chassis units, and trunking applications; and

  • Sound level: 16 dB(A).

Silent+ Mini Orange

  • Designed for concealed installations such as ceiling voids and ducted units;

  • Supports systems up to 11.33 tons;

  • Maximum flow: 9.25 US gallons;

  • Sound level: 16 dB(A); and

  • Does not require dampers.

Silent+ Mini White Gen5

  • Supports internal or external installation;

  • Highest flow rate within the Silent+ Series;

  • Variable speed operation designed to increase pump life; and

  • Sound level: 16 dB(A).

For more information, visit https://malcogrp.com.