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Read our privacy policyACIQ is the smart solution to adaptive heating and cooling in almost any space and climate -all at an affordable cost. With the ACIQ-18Z-HH-M3C, you can have up to 3 air handlers run off a single condenser, saving space outside and keeping you perfectly comfortable in your home.
The 18,000 BTU, ACIQ-18Z-HH-M3C is designed to easily support up to 3 air handlers at up to 1.25 times the condenser BTU rating, or 22,500 BTU across all air handlers. This adaptive, inverter condenser is constantly self-adjusting to provide the precise amount of heating or cooling needed to maintain your desired temperature in each room or zone. You can set different temperatures room by room, even turn off heating and cooling in unused areas. This, combined with a high efficiency rating of 25 SEER, means you are buying a system designed to intelligently save you money both up front and over the lifetime of the unit.
Although the condenser is pre-charged, please note that this model of equipment does not have quick connect line set connectors and is not a self-install unit. You will need a professional to add more refrigerant and vacuum the lines as needed. Installation materials such as line sets, control wire, drain hose, whip and disconnect are not included, but are available at additional cost in the Accessories section to the right of this text. For all multi zone ACIQ condensers, a minimum of two air handlers is needed for the unit to function.
Reviews report heating at -10°F, maintaining the desired temperature in 20°F weather, and electric bills down over 30% after replacing baseboard heat; another owner measured a 21-degree supply-to-return difference. Installation was often straightforward, though one first-time installer struggled with the instructions; a buyer who installed in 2022 reported minor noise and leaks, then a circuit-board failure after two years that required multiple replacements over roughly two months, plus difficulty obtaining replacement filters.
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