Heat pump component

Payne Heat pump component 45MHHAQ18XC3

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Payne Payne AHRI Indoor - 45MHHAQ Heat pump component Repair, maintenance, and replacement planning

Technical Specifications

Product Specs

AHRI unit role: Indoor
AHRI model/pattern: 45MHHAQ18XC3
AHRI records represented: 1
AHRI equipment type: HP - Mini or Multi Split
AHRI refrigerant: R-454B
Verified catalog model: 45MHHAQ18XC3
Verified product family: 45MHHAQ
Verified catalog brand: Carrier, Bryant, Payne
Catalog Model: 45MHHAQ18XC3
Manufacturer Number: 45MHHAQ18XC3
Catalog SKU: 1604089259656980
Catalog Brand: Carrier, Bryant, Payne
Product Family: 45MHHAQ
Tonnage: 1.5
SEER2: 23-24
Refrigerant: R-454B
Blower Motor HP: 1/30
Blower Motor RPM: 1,200
Blower Motor Speeds: 4
Blower Motor Type: ECM (Electronically Commutated Motor)
Blower Motor Watts: 70
Blower Wheel Diameter: 3 9/10
Blower Wheel Width: 29 4/5
Brand: Carrier, Bryant, Payne
CFM: 271-400
CFM Heating: 270.7-400.2
COP: 2.3
Color: White
Cooling Capacity: 18,600
Cooling Rated Capacity Btu/h: 18000
Country Of Origin: CHN
Cycle/Hertz: 60 Hz
Drain Connection Size: 5/8"
EER2: 12.5
Energy Star Rated: YES
Evaporator Coil Fins Per Inch (FPI): 20
HSPF: 11
HSPF2: 10
Heating Capacity: 19,200-19,200
Height: 12.6
Length: 8.9
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 1/4"
Metering Device: EEV - Electronic Expansion Valve
Mounting Type: Wall-Mount
Multi Zone: NO
Number Of HVAC Zones: 1
OPT Code: 1P45MHHAQ18XC3
Phase: Single
Prop 65: YES
Remote Control Included: YES
Sound Level (dBA): 19-45
Stages Cooling: Variable
Stages Heating: Variable
Suction Line Fitting Type: Flare
Suction Line Size (OD): 1/2"
Tier: Comfort
Voltage: 208-230 VAC
Weight: 32.8
Width: 38.2

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.

Service planning

How GreenFlow handles 45MHHAQ18XC3 requests

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.

Describe the service issue

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

Review access and history

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

Plan the next step

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

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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...

Jenny W.

Great service! On time, knowledgeable & professional

Michele Z.

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

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Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

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