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Heat pump condensing unit

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Maratherm Heat pump condensing unit N5H8T36*K*AAA*

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Maratherm Maratherm AHRI Outdoor - Performance 18 Two-Stage Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Maratherm N5H8T36*K*AAA* product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: N5H8T36*K*AAA*
  • AHRI records represented: 143
  • AHRI equipment type: HP - Split System
  • AHRI refrigerant: R-454B
  • Verified catalog model: N5H8T36*K*AAA*
  • Verified product family: Performance 18 Two-Stage Heat Pump
  • Verified catalog brand: Maratherm
  • Verified ENERGY STAR dataset: ENERGY STAR Certified Heat Pumps
  • Manufacturer: Carrier Corporation
  • ENERGY STAR outdoor brand: MARATHERM
  • ENERGY STAR model name: 2-STAGE 18 SEER HP
  • ENERGY STAR outdoor model: N5H8T36*K*AAA*
  • ENERGY STAR indoor model: FTMA5B36L0C*
  • ENERGY STAR furnace model:
  • Matched-system SEER2: 15.20
  • Matched-system EER2: 12.00
  • Matched-system HSPF2: 8.10
  • Matched-system cooling capacity: 34600 BTU/h
  • Heating capacity at 47F: 37600 BTU/h
  • Heating capacity at 17F: 23400 BTU/h
  • Refrigerant: R-454B (GWP:470 | Lower GWP)
  • ENERGY STAR source dataset: https://data.energystar.gov/d/83eb-xbyy
  • Carrier-family product page: https://www.airquestcomfort.com/en/us/products/heat-pumps/performance-two-stage-heat-pump-n5h8t
  • Carrier-family model family: N5H8T
  • Nominal capacity: 3 ton
  • Compressor: two-stage scroll
  • Sound level: as low as 69 dBA

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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ENERGY STAR certified HP - Split System

AHRI 215560700

AHRI 215560700 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit FTMA5B36L0C*.
ENERGY STAR certified HP - Split System

AHRI 215619459

AHRI 215619459 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X48M21A*.
ENERGY STAR certified HP - Split System

AHRI 215619528

AHRI 215619528 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X48M21A*.
ENERGY STAR certified HP - Split System

AHRI 215619547

AHRI 215619547 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X48M21A*.
ENERGY STAR certified HP - Split System

AHRI 215619680

AHRI 215619680 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X48M21A*.
ENERGY STAR certified HP - Split System

AHRI 215619779

AHRI 215619779 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X48M21A*.
ENERGY STAR certified HP - Split System

AHRI 215619911

AHRI 215619911 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X49M21A*.
ENERGY STAR certified HP - Split System

AHRI 215619927

AHRI 215619927 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X49M21A*.
ENERGY STAR certified HP - Split System

AHRI 215619941

AHRI 215619941 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X49M21A*.
ENERGY STAR certified HP - Split System

AHRI 215620011

AHRI 215620011 identifies a Mass Save qualified HP - Split System from MARATHERM with outdoor unit N5H8T36*K*AAA* and indoor unit EVM5X49M21A*.
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Service planning

How GreenFlow handles N5H8T36*K*AAA* 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.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

Jenny W.

Great service! On time, knowledgeable & professional

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