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Authorized Dynoaire Distributor
www.airmetricusa.com · (850) 901-5042
Proven PerformanceUnbeatable Value
The D4AH Series: Multi-Position Air Handler.
1.5 – 5 Ton · Multi-position · PSC / ECM. Deliver reliable, everyday comfort without breaking the budget. Engineered with eco-conscious R-32 refrigerant and a compact footprint, Dynoaire equipment balances upfront affordability with long-term durability for any residential build or retrofit.
SMART INVESTMENT
Cost-Effective 14.3 SEER2
BUILT TO LAST
Dependable & Low-Maintenance
VERSATILE INSTALL
Compact Design for Tight Spaces
ECO-CONSCIOUS
Next-Gen R-32 Refrigerant
Product lineup
Explore the Dynoaire family
Pick a unit to open its full specification sheet.
Outdoor condensers
Indoor units
Packaged residential
A CLOSER LOOK
D4AH Multi-Position Air Handler
Multi-position design
Installs in upflow, downflow, or horizontal orientations for maximum flexibility.
PSC & ECM options
Choose reliable PSC motors or upgrade to high-efficiency ECM constant torque.
Quiet operation
Sound levels as low as 53 dB(A) for discreet indoor comfort.
Compact cabinet
Low-profile footprint fits tight attics, closets, and mechanical rooms.
Pre-painted steel
Durable insulated cabinet helps reduce condensation and operating noise.
Matched system
Designed to pair with Dynoaire R-32 outdoor units for AHRI-rated performance.
Cabinet Features
- Pre-painted galvanized steel cabinet
- Internal thermal insulation
- Removable access panels
- Built-in filter rack
- Horizontal drain pan included
Model finder · D4AH Series
Pick a tonnage, get the numbers
Select a capacity to see the job-critical values for a single model. The full comparison table is below.
Model number
D4AH4P19E1B00*
- Nominal capacity
- 18,000 BTU/h
- Airflow
- 820 CFM
- Voltage / phase
- 208-230 / 1 · 187 / 253 V
- MCA / MOP
- 2.25 A / 3 A
- Fan motor
- PSC · 1/5 HP · 1.8 A
- Liquid / suction line
- 3/8" / 3/4"
- Sound level
- 53 dB(A)
Dimensions — D4AH4P19E1B00*
- Cabinet width
- 19-11/16"
- Cabinet height
- 45-3/4"
- Cabinet depth
- 22"
- Shipping carton W × H × L
- 22-13/16" × 47-5/8" × 25-9/16"
- Shipping weight
- 131 lbs
Air handler specifications
D4AH Series · 1.5–5 Ton · R-32 / R-410A · 208-230 V / 1 Ph
*Model suffix may vary by region.
Airmetric sales material — not for redistribution
Scroll the table sideways to compare models →
| Model | D4AH4P19 1.5 Ton | D4AH4P24 2 Ton | D4AH4P30 2.5 Ton | D4AH4P36 3 Ton | D4AH4P42 3.5 Ton | D4AH4P49 4 Ton | D4AH4 5 Ton |
|---|---|---|---|---|---|---|---|
| Performance | |||||||
| Nominal tons | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 5 |
| Cooling capacity | 18,000 BTU/h | 23,200 BTU/h | 27,800 BTU/h | 32,800 BTU/h | 40,000 BTU/h | 45,000 BTU/h | 55,000 BTU/h |
| Airflow | 820 CFM | 820 CFM | 910 CFM | 1060 CFM | 1200 CFM | 1450 CFM | 1520 CFM |
| Sound level | 53 dB(A) | 53 dB(A) | 53 dB(A) | 55 dB(A) | 54 dB(A) | 57 dB(A) | 57 dB(A) |
| Electrical | |||||||
| Voltage / phase | 208-230 / 1 | 208-230 / 1 | 208-230 / 1 | 208-230 / 1 | 208-230 / 1 | 208-230 / 1 | 208-230 / 1 |
| Min / max voltage | 187 / 253 | 187 / 253 | 187 / 253 | 187 / 253 | 187 / 253 | 187 / 253 | 187 / 253 |
| MCA | 2.25 A | 2.25 A | 2.79 A | 2.79 A | 3.76 A | 3.76 A | 7.1 A |
| MOP | 3 A | 3 A | 3 A | 3 A | 6 A | 6 A | 10 A |
| Coil & fan motor | |||||||
| Evaporator coil | Tube & Fin, Aluminum | Tube & Fin, Aluminum | Tube & Fin, Aluminum | Tube & Fin, Aluminum | Tube & Fin, Aluminum | Tube & Fin, Aluminum | Tube & Fin, Aluminum |
| Fan motor type | PSC | PSC | PSC | PSC | PSC | PSC | ECM |
| Fan capacitor | 10 | 10 | 15 | 15 | 20 | 20 | — |
| Fan motor HP | 1/5 | 1/5 | 3/10 | 3/10 | 2/5 | 2/5 | 3/4 |
| Fan motor FLA | 1.8 A | 1.8 A | 2.23 A | 2.23 A | 3.01 A | 3.01 A | 6.5 A |
| Refrigeration | |||||||
| Liquid line size (O.D.) (in.) | 3/8" | 3/8" | 3/8" | 3/8" | 3/8" | 3/8" | 3/8" |
| Suction line size (O.D.) (in.) | 3/4" | 3/4" | 3/4" | 3/4" | 3/4" | 7/8" | 7/8" |
| Dimensions & shipping | |||||||
| Cabinet W × H × L | 19-11/16" × 45-3/4" × 22" | 19-11/16" × 45-3/4" × 22" | 19-11/16" × 45-3/4" × 22" | 19-11/16" × 45-3/4" × 22" | 19-11/16" × 45-3/4" × 22" | 22" × 53-1/8" × 24-1/2" | 22" × 53-1/8" × 24-1/2" |
| Shipping W × H × L | 22-13/16" × 47-5/8" × 25-9/16" | 22-13/16" × 47-5/8" × 25-9/16" | 22-13/16" × 47-5/8" × 25-9/16" | 22-13/16" × 47-5/8" × 25-9/16" | 22-13/16" × 47-5/8" × 25-9/16" | 25-1/4" × 54-15/16" × 27-3/4" | 25-1/4" × 54-15/16" × 27-3/4" |
| Shipping weight | 131 lbs | 132 lbs | 140 lbs | 140 lbs | 140 lbs | 181 lbs | 190 lbs |
Performance
- Nominal tons
- 1.5
- Cooling capacity
- 18,000 BTU/h
- Airflow
- 820 CFM
- Sound level
- 53 dB(A)
Electrical
- Voltage / phase
- 208-230 / 1
- Min / max voltage
- 187 / 253
- MCA
- 2.25 A
- MOP
- 3 A
Coil & fan motor
- Evaporator coil
- Tube & Fin, Aluminum
- Fan motor type
- PSC
- Fan capacitor
- 10
- Fan motor HP
- 1/5
- Fan motor FLA
- 1.8 A
Refrigeration
- Liquid line size (O.D.) (in.)
- 3/8"
- Suction line size (O.D.) (in.)
- 3/4"
Dimensions & shipping
- Cabinet W × H × L
- 19-11/16" × 45-3/4" × 22"
- Shipping W × H × L
- 22-13/16" × 47-5/8" × 25-9/16"
- Shipping weight
- 131 lbs
Performance
- Nominal tons
- 2
- Cooling capacity
- 23,200 BTU/h
- Airflow
- 820 CFM
- Sound level
- 53 dB(A)
Electrical
- Voltage / phase
- 208-230 / 1
- Min / max voltage
- 187 / 253
- MCA
- 2.25 A
- MOP
- 3 A
Coil & fan motor
- Evaporator coil
- Tube & Fin, Aluminum
- Fan motor type
- PSC
- Fan capacitor
- 10
- Fan motor HP
- 1/5
- Fan motor FLA
- 1.8 A
Refrigeration
- Liquid line size (O.D.) (in.)
- 3/8"
- Suction line size (O.D.) (in.)
- 3/4"
Dimensions & shipping
- Cabinet W × H × L
- 19-11/16" × 45-3/4" × 22"
- Shipping W × H × L
- 22-13/16" × 47-5/8" × 25-9/16"
- Shipping weight
- 132 lbs
Performance
- Nominal tons
- 2.5
- Cooling capacity
- 27,800 BTU/h
- Airflow
- 910 CFM
- Sound level
- 53 dB(A)
Electrical
- Voltage / phase
- 208-230 / 1
- Min / max voltage
- 187 / 253
- MCA
- 2.79 A
- MOP
- 3 A
Coil & fan motor
- Evaporator coil
- Tube & Fin, Aluminum
- Fan motor type
- PSC
- Fan capacitor
- 15
- Fan motor HP
- 3/10
- Fan motor FLA
- 2.23 A
Refrigeration
- Liquid line size (O.D.) (in.)
- 3/8"
- Suction line size (O.D.) (in.)
- 3/4"
Dimensions & shipping
- Cabinet W × H × L
- 19-11/16" × 45-3/4" × 22"
- Shipping W × H × L
- 22-13/16" × 47-5/8" × 25-9/16"
- Shipping weight
- 140 lbs
Performance
- Nominal tons
- 3
- Cooling capacity
- 32,800 BTU/h
- Airflow
- 1060 CFM
- Sound level
- 55 dB(A)
Electrical
- Voltage / phase
- 208-230 / 1
- Min / max voltage
- 187 / 253
- MCA
- 2.79 A
- MOP
- 3 A
Coil & fan motor
- Evaporator coil
- Tube & Fin, Aluminum
- Fan motor type
- PSC
- Fan capacitor
- 15
- Fan motor HP
- 3/10
- Fan motor FLA
- 2.23 A
Refrigeration
- Liquid line size (O.D.) (in.)
- 3/8"
- Suction line size (O.D.) (in.)
- 3/4"
Dimensions & shipping
- Cabinet W × H × L
- 19-11/16" × 45-3/4" × 22"
- Shipping W × H × L
- 22-13/16" × 47-5/8" × 25-9/16"
- Shipping weight
- 140 lbs
Performance
- Nominal tons
- 3.5
- Cooling capacity
- 40,000 BTU/h
- Airflow
- 1200 CFM
- Sound level
- 54 dB(A)
Electrical
- Voltage / phase
- 208-230 / 1
- Min / max voltage
- 187 / 253
- MCA
- 3.76 A
- MOP
- 6 A
Coil & fan motor
- Evaporator coil
- Tube & Fin, Aluminum
- Fan motor type
- PSC
- Fan capacitor
- 20
- Fan motor HP
- 2/5
- Fan motor FLA
- 3.01 A
Refrigeration
- Liquid line size (O.D.) (in.)
- 3/8"
- Suction line size (O.D.) (in.)
- 3/4"
Dimensions & shipping
- Cabinet W × H × L
- 19-11/16" × 45-3/4" × 22"
- Shipping W × H × L
- 22-13/16" × 47-5/8" × 25-9/16"
- Shipping weight
- 140 lbs
Performance
- Nominal tons
- 4
- Cooling capacity
- 45,000 BTU/h
- Airflow
- 1450 CFM
- Sound level
- 57 dB(A)
Electrical
- Voltage / phase
- 208-230 / 1
- Min / max voltage
- 187 / 253
- MCA
- 3.76 A
- MOP
- 6 A
Coil & fan motor
- Evaporator coil
- Tube & Fin, Aluminum
- Fan motor type
- PSC
- Fan capacitor
- 20
- Fan motor HP
- 2/5
- Fan motor FLA
- 3.01 A
Refrigeration
- Liquid line size (O.D.) (in.)
- 3/8"
- Suction line size (O.D.) (in.)
- 7/8"
Dimensions & shipping
- Cabinet W × H × L
- 22" × 53-1/8" × 24-1/2"
- Shipping W × H × L
- 25-1/4" × 54-15/16" × 27-3/4"
- Shipping weight
- 181 lbs
Performance
- Nominal tons
- 5
- Cooling capacity
- 55,000 BTU/h
- Airflow
- 1520 CFM
- Sound level
- 57 dB(A)
Electrical
- Voltage / phase
- 208-230 / 1
- Min / max voltage
- 187 / 253
- MCA
- 7.1 A
- MOP
- 10 A
Coil & fan motor
- Evaporator coil
- Tube & Fin, Aluminum
- Fan motor type
- ECM
- Fan capacitor
- —
- Fan motor HP
- 3/4
- Fan motor FLA
- 6.5 A
Refrigeration
- Liquid line size (O.D.) (in.)
- 3/8"
- Suction line size (O.D.) (in.)
- 7/8"
Dimensions & shipping
- Cabinet W × H × L
- 22" × 53-1/8" × 24-1/2"
- Shipping W × H × L
- 25-1/4" × 54-15/16" × 27-3/4"
- Shipping weight
- 190 lbs
Built to last. Backed to protect.
10-Year
Registered Limited Warranty
Parts & compressor coverage when registered within 60 days.
1-Year
Product Replacement Pledge
If the compressor or condenser coil fails in year one, the whole AC unit is replaced.
Base
Limited Warranty
7-year compressor / 5-year parts coverage even without registration.
Register online within 60 days of installation
Register your unitResidential/multi-family installations by a licensed HVAC service provider as part of an AHRI-rated matched system. See warranty document for full terms, conditions, and exclusions. Labor, diagnostics, and shipping costs are not covered.
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