ACiQ 110000 BTU 80% AFUE Gas Furnace | Variable Speed Two Stage Multi-Positional | R454B Compliant (G80CTL1102120B)
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Key features
- 110,000 BTU output for larger homes or colder climates
- 80% AFUE two-stage burner reduces short-cycling and fuel waste on mild days
- Variable-speed ECM blower motor for quieter operation and better humidity control
- Multi-positional cabinet supports upflow, downflow, and horizontal installations
- R-454B refrigerant-ready for compatibility with next-generation matched cooling equipment
- 12-year parts warranty included without dealer markup
About this system
The ACiQ G80CTL1102120B is a 110,000 BTU, 80% AFUE gas furnace designed for larger homes in mild-to-moderate climates where a mid-efficiency unit makes financial sense. The two-stage burner runs at a reduced capacity on most heating calls and steps up to full fire only when outdoor temperatures drop sharply, which smooths out temperature swings and reduces short-cycling compared to a single-stage unit. The variable-speed blower motor takes that comfort advantage further by ramping airflow up and down rather than blasting at a fixed speed, which also helps with humidity control and quieter overnight operation.
The 80% AFUE rating means 20 cents of every fuel dollar goes up the flue as exhaust. That is the baseline for modern gas furnaces and is legally permissible in most of the country, though colder northern climate zones now require 90% AFUE or higher for new installations, so buyers in those regions need to confirm local code before purchasing. The R-454B refrigerant compliance label on this furnace refers to its coil and system readiness for next-generation refrigerants rather than to the furnace itself, which is relevant if this unit is paired with a matched ACiQ air handler or heat pump. Multi-positional installation means the cabinet can be configured upflow, downflow, or horizontal, covering the majority of duct layouts in existing homes.
ACiQ is AC Direct’s value-focused house brand, and this furnace is priced well below equivalent two-stage variable-speed models from Carrier, Trane, or Lennox. The trade-off is that ACiQ is a newer brand with limited long-term field data, an undisclosed manufacturer, and a direct-sale model that bypasses the traditional dealer network. For a budget-conscious buyer in a warmer region who works with an independent HVAC contractor and wants variable-speed comfort without paying a premium brand markup, this furnace occupies a genuinely competitive position.
The ACiQ G80CTL1102120B delivers two-stage, variable-speed comfort at a price that undercuts established brands by a meaningful margin, and the 12-year warranty is stronger on paper than what many competitors bundle at this price point. The honest caveat is that long-term reliability is unproven, the manufacturer is undisclosed, and the 80% AFUE rating is a code disqualifier in northern climate zones, so this furnace earns its value only in the right geographic and contractual context.
Overall score is the average of the five ratings above.
What we like
- Two-stage burner plus variable-speed blower improves comfort and reduces energy waste compared to single-stage alternatives at a similar price
- Competitive upfront cost versus name-brand two-stage units with equivalent BTU output
- 12-year parts warranty ships standard without dealer negotiation or markup
- Multi-positional cabinet simplifies retrofits into a wide range of existing duct configurations
- Early owner feedback consistently highlights quiet blower operation and responsive customer support from ACiQ
Trade-offs
- 80% AFUE is prohibited for new installations in northern U.S. climate zones, limiting where this unit can legally be installed
- ACiQ is a newer brand without Consumer Reports reliability rankings or substantial long-term field data
- The manufacturer is not publicly disclosed, which complicates parts sourcing and cross-referencing service history if issues arise
- No factory dealer network means installation and warranty service depend entirely on the quality of the independent contractor you hire
What homeowners and pros say about ACiQ
Early owners of ACiQ furnaces and air handlers tend to highlight two things in their feedback: the quiet operation of the variable-speed blower motor, and the fact that ACiQ’s direct support line is responsive when questions come up. Consumer Reports has not yet assigned ACiQ a reliability score because the brand is too new for the long-term failure-rate data that study requires, so the positive early impressions are real but they are not the same thing as a proven track record. HVAC contractors who have installed ACiQ equipment generally report straightforward installation experiences, but some note that the undisclosed manufacturer background makes it harder to cross-reference technical service bulletins or confirm parts compatibility when something does go wrong.
The trade-offs that come up most often among buyers and pros are the same ones that apply to any direct-sale brand: if the independent contractor you use for installation or service is not familiar with the equipment, the lack of a factory dealer network means there is no second line of support to call. For this furnace specifically, the 80% AFUE rating is a real screening question before purchase, since buyers in northern climate zones may discover after the fact that local code requires 90% AFUE for new equipment. Buyers who clear that hurdle and pair this unit with a competent independent installer generally report satisfaction, but the honest position is that the long-term reliability picture for ACiQ is still being written.
Sources: Consumer Reports heat pump ratings, HVACDirect on the ACiQ brand, AHRI Directory of Certified Product Performance, U.S. DOE appliance and equipment efficiency standards.
How it compares
| Brand | Comparable model | SEER2 | Stage | Price position |
|---|---|---|---|---|
| ACiQ | G80CTL1102120B | N/A (furnace only) | Two-stage | Value pick |
| Carrier | Performance 59TP6 (80% AFUE Two-Stage) | N/A (furnace only) | Two-stage | Moderately higher, with factory dealer network and established reliability data |
| Trane | S8X2 (80% AFUE Two-Stage) | N/A (furnace only) | Two-stage | Moderately to significantly higher, with Trane's authorized dealer support included |
| Lennox | EL296V (80% AFUE Variable-Speed) | N/A (furnace only) | Two-stage variable-speed | Significantly higher, with Lennox dealer network and strong long-term reliability data |
Competitor rows are comparable single-stage units at similar efficiency; price is relative position, not a quote.
Questions about this system
Is this furnace legal to install in my state or climate zone?
The U.S. Department of Energy's northern climate zone regulations require a minimum of 90% AFUE for new gas furnace installations in many northern states, which means this 80% AFUE unit would not meet code there. Southern and mixed climate zones generally still permit 80% AFUE. You should confirm your local jurisdiction's requirements with your HVAC contractor before purchasing.
Who actually manufactures this furnace, and can I get parts easily?
ACiQ is AC Direct's house brand and the underlying manufacturer has not been publicly confirmed, though forum discussion in the HVAC trade points toward the ICP and Carrier family of manufacturers. Because the OEM is unconfirmed, cross-referencing parts by manufacturer can be more difficult than with a brand like Carrier or Trane, and you may need to source replacement parts directly through ACiQ or compatible ICP-family suppliers.
What does the variable-speed blower actually do differently from a standard furnace blower?
A variable-speed ECM motor ramps up and down continuously rather than running at a fixed high speed, which means gentler air delivery, reduced blower noise especially at night, and better distribution of conditioned air throughout the home. It also helps dehumidify more effectively in summer when paired with central air conditioning because slower airflow gives the coil more contact time with the air.
How does the two-stage burner work, and will it actually lower my gas bill?
The two-stage burner fires at a lower capacity, typically around 65 percent, during moderate heating calls and only steps up to full 110,000 BTU output when outdoor temperatures drop significantly. Running at the lower stage most of the time reduces short-cycling and heat overshoot, which improves comfort, though the fuel savings versus a well-sized single-stage unit are modest rather than dramatic at 80% AFUE.
What happens if I need warranty service and my installer is no longer available?
ACiQ sells direct and does not operate a factory-authorized dealer network, so warranty service is performed by independent HVAC contractors. If your original installer is unavailable, you would arrange service through any qualified contractor and coordinate with ACiQ's support team directly. This arrangement can work well but is less structured than the warranty service programs offered by brands like Carrier or Lennox that maintain certified dealer networks.
Specifications
| Furnace output | 110000 BTU |
| Furnace efficiency | 80% AFUE |
| Refrigerant | R-454B |