MRCOOL 3 Ton 16 SEER Split System Air Handler, - MAHM036ETA
The MRCOOL Multi-Position Air Handler is designed to deliver dependable comfort, and is built for reliability. The electronically commutated motor (ECM) delivers consistent airflow throughout the seasons, allowing you to remain relaxed at all times. When choosing a MRCOOL Multi-Position Air Handler, you can always know that you are being energy and time efficient.
Features
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Smaller profile for closet applications
- Optional auxiliary heat kits are available
- Baked polyester paint finished over galvanized steel for maximum durability
- Antimicrobial treated drain pan to resist mold and mildew growth
- Factory tested for leakproof construction
- Foil faced insulation for enhanced indoor air quality
- CoolGuard total corrosion protection technology designed coil
- Built-in indoor time delay for increased efficiency and comfort
- One piece design
- High-strength/heat resistant/corrosion resistance SMC drain pans
- Multi-position = Upflow/ Horizontal Left/ Horizontal Right/ Counter Flow (with kit)
Specifications
| Product Dimensions |
21.50"W x
19.5"D x
53.63"H |
| Product Weight |
163 lbs |
| SEER |
Up to 16 |
| CFM |
1,200 |
| Tonnage |
3 |
| Cooling Capacity |
36,000 |
| Voltage |
Requires a minimum of 208V-230V/60HZ/15A (please check your home meets this electrical requirement prior to purchase) |
| Phase |
1 |
| Cycle |
60 |
| Max Fuse Breaker |
15 |
| Min Circuit Ampacity |
5.1 |
| Color |
Gray |
| Color Family |
Gray |
| Max Coverage Area |
1,500 square feet |
| Refrigerant Type |
R-410A |
| Number of Speeds |
5 |
| Inverter |
No |
| Lineset Included |
No |
| Lineset Length |
15ft, 25ft, 35ft, 50ft |
| Max Lineset Length |
50ft |
| Lineset Fitting Type |
Sweat |
| Liquid Line Size |
3/8 |
| Suction Line Size |
7/8 |
| Blower Motor Type |
ECM |
| Blower Motor HP |
1/2 |
| Blower Motor Speeds |
5 Speed |
| Blower Motor RPM |
600-1,300 |
| Filter Type |
Replacement |
| Filter Size |
18x20 |
| Auxiliary Heater Included |
No |
| Auxiliary Heater Available |
Yes |
| Auxiliary Heater Sizes |
10kw, 15kw |
| Contains Electronics |
Yes |
| Contains Chemicals |
Yes |
| Contains Aerosol |
Yes |
| Contains Compressed Gas |
Yes |
| Proposition 65 Warning |
Yes |
What our Experts Think
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Balanced Performance & Efficiency – 3‑ton capacity with support for up to 16 SEER when matched with the right condenser for strong cooling and energy savings.
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Versatile Installation – Multi‑position design (upflow or horizontal) fits a wide range of residential duct systems.
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Durable Construction – Corrosion‑resistant materials and quality cabinet design boost reliability and longevity.
-
Compact & Space‑Friendly – Slim profile ideal for attics, closets, or tight mechanical spaces.
-
Service‑Ready Design – Proven PSC blower motor ensures dependable airflow and easier maintenance.
-
Heating Compatibility – Works with optional electric heat kits for customized seasonal comfort.
-
Smart Choice for Homes – Great option for homeowners seeking efficient, reliable HVAC performance with modern efficiency benefits.
Q&A
Q: What size system is this air handler for?
A: Designed for 3 ton HVAC systems (36,000 BTU) to deliver balanced heating and cooling airflow.
Q: How energy efficient is it?
A: Rated up to 16 SEER, providing efficient year-round performance.
Q: What installation options are supported?
A: Multi-position design allows upflow, horizontal left/right, and counter-flow installation.
Q: How is durability and air quality addressed?
A: Features galvanized steel cabinet, antimicrobial drain pan, foil-faced insulation, and corrosion-resistant coil.
Q: What type of blower does it use?
A: Includes a 5-speed ECM blower motor for consistent airflow.
Q: Are there special installation requirements?
A: Requires 208/230 V electrical and professional HVAC installation; lineset sold separately.
Q: Does it support auxiliary heating?
A: Yes, optional auxiliary heat kits are compatible (sold separately).
Q: Who is this unit ideal for?
A: Homeowners or contractors needing a reliable, efficient 3 ton air handler for central split-system HVAC setups.
Maintenance Tips
• Clean or replace air filters every 30–60 days to maintain airflow, efficiency, and air quality.
• Clean indoor coils annually to prevent dust buildup and preserve cooling performance.
• Keep the condensate drain and pan clear to avoid clogs, leaks, and mold.
• Inspect blower, wiring, and components periodically for dust, wear, or loose parts.
• Schedule a yearly professional HVAC tune‑up to check refrigerant balance, controls, and overall system health.
Damage 
Loss 
Theft 
