First Company 3 Ton 10 kW Horizontal Fan Coil (Uncased Air Handler) 36HX10 Overview
The First Company 36HX10 HX Series fan coil unit features a compact, space-saving design that makes it a practical choice for residential and light commercial applications. With a height of 10 inches, width of 49.25 inches, and length of 21 inches, this 3 Ton horizontal fan coil helps save valuable space in your home or project. Its compact design also allows for easy wall mounting and installation.
With 10.5 to 12.2 EER ratings and a 36000 BTU cooling capacity, this 3 Ton unit delivers strong and reliable cooling performance. Designed as an uncased air handler, the First Company 36HX10 combines efficiency, compact installation, and consistent operation, making it a dependable choice for tight mechanical spaces.
Features of First Company 36HX10 3 Ton 10 kW Horizontal Fan Coil (Uncased Air Handler)
- Drain pan with 3/4-inch NPT primary & secondary (overflow) fitting
- Enclosure kit for wall mounting/installation
- High-efficiency aluminum fin / copper tube cooling coils
- 240-Volt motor & 24-Volt controls
- Attractive off-white return air/access panels with captive screws
- Coated, sloped & insulated galvanized steel drain pan for proper drainage
- IAQ filter panel
- Field-installed heat pump kit
- Fully insulated enclosure with matching ceiling panels
- Allow ducted return air
- Field-installed condensate overflow switches
- Field- or factory-installed R-410A TXV
Specifications of First Co. 3 Ton 10 kW 36HX10 Fan Coil (Uncased Air Handler)
| Brand | First Company |
| Tonnage | 3 Ton(s) |
| Electric Heat Range | 10 kW |
| Voltage | 208-240 VAC |
| Amps | 44.5 A |
| Phase | Single |
| EER | 10.5, 11, 12.2 |
| Cooling Capacity | 36000 |
| Equipment Type | Straight Cool |
| Tier | HX Series |
| Product Family | HX |
| Refrigerant | R-410A |
| Air Flow | Horizontal |
| CFM | 1200 |
| Cubic Measurement | 5.9852 |
| Height | 10 Inches |
| Width | 49.25 Inches |
| Length | 21 Inches |
| Weight | 63 lbs. |
| Dimensional Weight | 134 lbs. |
| Liquid Line Size (OD) | 3/8 Inches |
| Suction Line Size (OD) | 7/8 Inches |
| Package Height | 11.88 Inches |
| Package Length | 23.435 Inches |
| Package Width | 67.4725 Inches |
| Package Weight | 85 lbs. |
| UOM | EA |
| ETL Listed | Yes |
| Energy Star Rated | No |
| UL Listed | No |
Why Buy From Green Leaf Air?
Choosing Green Leaf Air means getting a trusted source for the First Company 36HX10 HX Series fan coil unit. We focus on providing accurate product details, smooth ordering, and reliable customer support so you can choose the right HVAC solution with confidence.
Whether you are replacing an existing unit or planning a new installation, our team helps ensure you get the correct First Company air handler for your project. We are committed to making the buying process simple, clear, and stress-free from start to finish.
Shop with confidence from Green Leaf Air for your 3 Ton 10 kW horizontal fan coil (uncased air handler) and get the support you need before and after your purchase.


Paul (verified owner) –
Great value—cooling is fast and even.
Max (verified owner) –
Very well worth the money.
David (verified owner) –
Quick installation and works flawlessly.
Leo (verified owner) –
Best home investment—temperature is always just right.
Max (verified owner) –
Best home investment—temperature is always just right.
Nicholas (verified owner) –
Perfect temperature control with handy app features.