3.5 Ton 15 SEER PRODIRECT Series Air Conditioner
Component — Not a Complete System
This is the outdoor unit only. To run, you also need a matching indoor air handler and a refrigerant line set. Looking for the complete system instead? Browse complete 42,000 BTU systems.
SKU HAC15042FA
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Description
3.5 Ton 15 SEER PRODIRECT Series Air Conditioner
What's in the Box
Here's what you'll receive with your order
3.5 Ton 15 SEER PRODIRECT Series Air Conditioner
As described
Key Specifications
15.2
SEER2 Rating
42000BTU
Cooling Capacity
208/230V
Voltage
75dBA
Noise Level
3.5 Ton 15 SEER PRODIRECT Series Air Conditioner — Model Details
What this specific model is sized for, how it installs, how it performs, and what it costs to run.
Room & Space Coverage — 42,000 BTU
The 3.5 Ton 15 SEER PRODIRECT Series Air Conditioner delivers 42,000 BTU of cooling and heating capacity, sized for spaces up to 2,000 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit is typically used for open-plan main floors, large garages, pole barns, finished basements, and small commercial bays. For homes with vaulted ceilings, heavy sun exposure, or poor insulation, plan on ~20% more BTU per square foot than the nominal coverage.
Efficiency & Operating Cost
This unit is rated at 15.2 SEER2. SEER2 measures seasonal cooling efficiency — higher is better — and 15.2 meets current federal baseline. Running the unit 8 hours a day at full load draws roughly 663 kWh/month — about $106/month at the US average $0.16/kWh residential rate. Real-world draw is usually 30–50% lower because inverter compressors modulate down most of the time.
Power & Electrical Requirements
Power requirement: 208/230V 1-phase 60Hz (standard US residential 240V service). Minimum circuit ampacity is 24.9A with a maximum overcurrent protection of 45A. Wire the outdoor unit with 6 AWG copper on a dedicated 45A double-pole breaker (or single-pole at 120V), with a disconnect within sight of the condenser per NEC 440.14.
Install Difficulty — Professional Install
This is a professionally-installed condenser that requires a licensed HVAC technician with EPA 608 certification. The tech will pull a vacuum on the line set to 500 microns, pressure-test with nitrogen, release the factory charge, and commission per MrCool's startup procedure. Budget 1 full day for install on a single-zone system. Ships with R410A refrigerant. R-410A is a mature, widely-serviced refrigerant; service technicians and parts are available at any HVAC supply house.
Sound Level & Comfort Features
Rated sound output is 75 dB(A) at full operation.
Product Details
The 3.5 Ton PRODIRECT™ Series Air Conditioner is designed for homeowners seeking efficiency and performance. It uses R410a chlorine-free refrigerant and an energy-efficient compressor to deliver reliable results while being eco-friendly. Built for durability, the unit features inner-groove copper tubing, an aluminum fin, service valves with sweat connections, and an easy-access gauge port for simple maintenance. An optional drier filter can also be added as an additional accessory. The 42K condenser operates at an impressively low noise level of only 75 decibels, which is comparable to the sound of a running dishwasher. This feature helps maintain a peaceful and undisturbed environment in your home. Additionally, its compact and lightweight design makes it easy for transportation and hassle-free installation. The thoughtfully designed wired fan discharge grille and sturdy steel louver coil guard offer essential protection, ensuring the unit’s longevity and efficiency for many years. This air conditioner is AHRI-certified and ETL-listed, meeting industry standards for quality. MRCOOL® offers a standard 5-year plus an additional 5-year extended parts and compressor warranty upon registration, giving you lasting peace of mind. At MRCOOL®, we’re here to ensure your home stays comfortable with a dependable, efficient cooling solution you can trust.
Specifications
| Cooling Capacity | 42,000 BTU |
| SEER2 Rating | 15.2 |
| Voltage | 208/230 V |
| Refrigerant | R410A |
| Noise Level | 75 dBA |
| Phase | 1 |
| Refrigerant Type | R410A |
| Refrigerant Charge | 129 oz |
| Liquid Line Size | 3/8 |
| Suction Line Size | 7/8 |
Features
- R410A chlorine-free refrigerant
- Energy-efficient compressor
- Service valves with sweat connections and easy-access gauge ports
- AHRI certified and ETL listed
- Unique sound control top design
- Compact design, easy installation and transportation
- High quality condenser with inner-groove copper tube and aluminum fins
- Wire fan discharge grille
Frequently Asked Questions
Everything you need to know about this product
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We deliver the 3.5 Ton 15 SEER PRODIRECT Series Air Conditioner to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.