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Heat pump condensing unit

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Payne Heat pump condensing unit 37MUHAQ36AA3

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Payne Payne AHRI Outdoor - 37MUHA Crossover Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Payne 37MUHAQ36AA3 product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: 37MUHAQ36AA3
  • AHRI records represented: 485
  • AHRI equipment type: Central HP
  • AHRI tonnage: 3
  • AHRI refrigerant: R-454B
  • Verified catalog model: 37MUHAQ36AA3
  • Verified product family: 37MUHA Crossover Heat Pump
  • Verified catalog brand: Payne
  • Verified model family: 37MUHA
  • AHRI model/pattern: 37MUHAQ36AA3
  • Nominal capacity: 3 ton
  • Nominal cooling capacity: 36,000 BTU
  • Cooling efficiency family: up to 19 SEER2 / up to 12.5 EER2
  • Heating efficiency family: up to 10.8 HSPF2
  • Refrigerant: R-454B
  • Operation: variable-speed compressor
  • Sound: as low as 59 dBA
  • Cooling capacity family range: 1.5-5 tons
  • Official product page: https://www.payne.com/en/us/products/heat-pumps/37muha

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 215318807

AHRI 215318807 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE with outdoor unit 37MUHAQ36AA3 and indoor unit 45MUAAQ36XX3.
Eligible Central HP <5.4 tons

AHRI 215323722

AHRI 215323722 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE with outdoor unit 37MUHAQ36AA3 and indoor unit 45MUHAQ36XX3.
Eligible Central HP <5.4 tons

AHRI 217391426

AHRI 217391426 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE HEATING AND COOLING with outdoor unit 37MUHAQ36AA3+TIC2025-0016 and indoor unit PF5TNXC36L*.
Eligible Central HP <5.4 tons

AHRI 217393909

AHRI 217393909 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE HEATING AND COOLING with outdoor unit 37MUHAQ36AA3+TIC2025-0016 and indoor unit CSAH*4812AM*.
Eligible Central HP <5.4 tons

AHRI 217393911

AHRI 217393911 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE HEATING AND COOLING with outdoor unit 37MUHAQ36AA3+TIC2025-0016 and indoor unit CSAH*4812AM*.
Eligible Central HP <5.4 tons

AHRI 217393913

AHRI 217393913 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE HEATING AND COOLING with outdoor unit 37MUHAQ36AA3+TIC2025-0016 and indoor unit CSAH*4812AM*.
Eligible Central HP <5.4 tons

AHRI 217393915

AHRI 217393915 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE HEATING AND COOLING with outdoor unit 37MUHAQ36AA3+TIC2025-0016 and indoor unit CSAH*4812AM*.
Eligible Central HP <5.4 tons

AHRI 217393917

AHRI 217393917 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE HEATING AND COOLING with outdoor unit 37MUHAQ36AA3+TIC2025-0016 and indoor unit CSAH*4812AM*.
Eligible Central HP <5.4 tons

AHRI 217393919

AHRI 217393919 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE HEATING AND COOLING with outdoor unit 37MUHAQ36AA3+TIC2025-0016 and indoor unit CSAH*4812AM*.
Eligible Central HP <5.4 tons

AHRI 217393921

AHRI 217393921 identifies a Mass Save qualified Central HP <5.4 tons from PAYNE HEATING AND COOLING with outdoor unit 37MUHAQ36AA3+TIC2025-0016 and indoor unit CSAH*4812AM*.
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Service planning

How GreenFlow handles 37MUHAQ36AA3 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

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

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...

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

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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