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ACiQ Gas furnace *80CTL0451712B*

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ACiQ ACiQ AHRI Furnace - G80CTL 80% AFUE Variable-Speed Gas Furnace Gas furnace Repair, maintenance, and replacement planning
ACiQ *80CTL0451712B* product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *80CTL0451712B*
  • AHRI records represented: 97
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.9666666666666666
  • AHRI refrigerant: R-454B
  • Verified catalog model: *80CTL0451712B*
  • Verified product family: G80CTL 80% AFUE Variable-Speed Gas Furnace
  • Verified catalog brand: ACiQ
  • Verified official model family: G80CTL
  • AHRI furnace model/pattern: *80CTL0451712B*
  • Nominal input: 45,000 BTU/h input
  • Published heating range: 44,000-132,000 BTU/h
  • AFUE: 80%
  • Heating stages: two-stage
  • Blower: variable-speed constant airflow ECM blower motor
  • Cabinet width code: 17
  • Published cabinet width range: 14-24.5 in.
  • NOx classification: standard
  • Application: matched gas furnace for split-system air conditioner or heat pump combinations
  • Spec sheet: https://aciq.com/wp-content/uploads/2024/05/G80CTL-SpecSheet.pdf
  • Installation manual: https://aciq.com/wp-content/uploads/2024/04/G80CTL-InstallManual.pdf
  • Warranty: lifetime heat exchanger, 10-year parts, and No Hassle Replacement limited warranty with online registration
  • Official product page: https://aciq.com/residential-products/central-heating-and-cooling-solutions/furnaces/g80ctl/

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Certification match

AHRI certificates

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Eligible Central HP <5.4 tons

AHRI 218016748

AHRI 218016748 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V24*K*AAA* and indoor unit EVM5X24M17A*.
Eligible Central HP <5.4 tons

AHRI 218016813

AHRI 218016813 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V24*K*AAA* and indoor unit EVM5X25M17A*.
Eligible Central HP <5.4 tons

AHRI 218016877

AHRI 218016877 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V24*K*AAA* and indoor unit EVM5X30M17A*.
Eligible Central HP <5.4 tons

AHRI 218016941

AHRI 218016941 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V24*K*AAA* and indoor unit EVM5X31M17A*.
Eligible Central HP <5.4 tons

AHRI 218017291

AHRI 218017291 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V36*K*AAA* and indoor unit EVD5X38M17A*.
Eligible Central HP <5.4 tons

AHRI 218017389

AHRI 218017389 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V48*K*AAA* and indoor unit EA*5X61M21A*.
Eligible Central HP <5.4 tons

AHRI 218017826

AHRI 218017826 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V36*K*AAA* and indoor unit EA*5X37M17A*.
Eligible Central HP <5.4 tons

AHRI 218018692

AHRI 218018692 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V24*K*AAA* and indoor unit EA*5X37M21A*.
Eligible Central HP <5.4 tons

AHRI 218018832

AHRI 218018832 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V24*K*AAA* and indoor unit ESH5X30M12A*.
Eligible Central HP <5.4 tons

AHRI 218019031

AHRI 218019031 identifies a Mass Save qualified Central HP <5.4 tons from ACIQ with outdoor unit N5H9V24*K*AAA* and indoor unit ESH5X24M12A*.
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Service planning

How GreenFlow handles *80CTL0451712B* requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Jenny W.

Great service! On time, knowledgeable & professional

Terry S.

Excellent service from best tech!

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

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