MRCOOL 3.5 Ton 16 SEER Split System Air Conditioner Condenser, MAC16042A
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Stay Cool and Save with the MRCOOL 3.5 Ton Split System A/C Condenser
Need cooling relief right away and a lower utility bill? The MRCOOL 3.5 Ton Split System A/C Condenser delivers both. This brand new 208-230 volt, R410-A refrigerant outdoor condenser is engineered to provide powerful cooling with a Seasonal Energy Efficiency Ratio (SEER) of up to 16 when paired with other MRCOOL products. With its high energy efficiency, you can enjoy consistent comfort while watching your utility bills decrease year after year. Please note, this unit is designed exclusively for cooling and is not a heat pump.
Key Features:
- CoolGuard Protection: Advanced corrosion protection technology ensures long-lasting coil durability.
- User-Friendly Maintenance: Corner-mounted controls simplify servicing and upkeep.
- Durable Construction: Full metal louvered construction provides robust coil protection and hail resistance.
- Enhanced Safety: Factory-installed high-pressure switch adds reliability and protection.
- Quick & Easy Repairs: Thread-on pressure switches allow for fast, straightforward replacements.
- Compressor Warranty: 10-year limited warranty on the compressor for long-term peace of mind.
- Pre-Charged for Convenience: Pre-charged for a 15-foot line set, simplifying installation.
- Quiet Operation: Fan orifice design reduces noise levels while ensuring smooth airflow.
- Optimal Cooling Efficiency: Lanced fins maximize heat transfer for superior cooling performance.
- Leak-Proof Construction: Every coil is factory tested to ensure leak-proof operation.
- Certified Quality: ETL and ETLC approved, and AHRI certified, guaranteeing top-tier performance and safety.
Experience the comfort and energy savings of MRCOOL’s 3.5 Ton Split System A/C Condenser—an efficient and reliable cooling solution for your home.
PRODUCT SPECIFICATIONS:
| Product Dimensions | 28.25'W x 37'D x 28.25'H |
| Product Weight | 211 lbs |
| Unit Type | Split System AC Condensers |
| SEER |
up to 16 |
| Max SEER | 16 |
| EER | 12.2 |
| CFM | 1340-1460 |
| Tonnage | 3 1/2 |
| Cooling Capacity | 40000-41000 |
| Voltage |
Requires a minimum of 208V-230V/60HZ/ 40A (please check your home meets this electrical requirement prior to purchase) |
| Phase | 1 |
| Cycle | 60 |
| Stage | Single |
| Max Fuse Breaker | 40 A |
| Min Circuit Ampacity | 23.4 |
| Color | Gray |
| Rated Load | 17.9 |
| Max Coverage Area | 1750 |
| Refrigerant Type | R-410A |
| Refrigerant Volume | 140 |
| Decibel Rating | 76 |
| Min Ambient Cool | (-20F) |
| Line Set Length | 15ft, 25ft, 35ft, 50ft |
| Max Line Set Length | 50ft |
| Line Set Fitting Type | Sweat |
| Liquid Line Size | 3/8 in |
| Suction Line Size | 7/8 |
| Compressor Motor Type | Scroll |
| Condenser Fan Motor Type | Direct Drive |
| Condenser Fan Motor HP | 1/6 |
| Condenser Fan Motor RPM | 825 |
| Metering Device | TXV |
| Auxiliary Heater | Yes |
| Auxiliary Heater Sizes | 7.5kw, 10kw, 15kw |
| Certifications | ETL AHRI |
| Warranty |
10 year registered parts warranty |
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MRCOOL SIGNATURE SERIES BUYING GUIDE
How to Choose the Right MRCOOL Signature Series TruInverter System
The MRCOOL Signature Series TruInverter systems are engineered for high-performance heating and cooling in residential and light commercial applications. With advanced inverter technology, R-454B refrigerant, and durable construction, these systems deliver consistent comfort, improved efficiency, and reliable operation in extreme conditions. Use this guide to compare system sizes, performance capabilities, and installation requirements so you can confidently select the right system for your space.
MRCOOL Signature Series TruInverter HVAC System Buying Guide
The MRCOOL Signature Series TruInverter heat pump systems are designed for homeowners and professionals who need high-performance, energy-efficient HVAC solutions for year-round comfort. Unlike traditional single-stage systems, these inverter-driven systems continuously adjust output based on real-time demand, delivering more consistent indoor temperatures and improved energy efficiency.
One of the key advantages of the Signature Series is its ability to operate in extreme conditions. These systems are engineered to provide reliable cooling in high outdoor temperatures and maintain heating performance in low ambient environments, making them ideal for a wide range of climate zones.
Each system is factory-charged with R-454B refrigerant, a next-generation solution that improves heat transfer efficiency while reducing environmental impact compared to older refrigerants. Combined with advanced compressor technology, this results in lower energy consumption and long-term operational savings.
When selecting a MRCOOL Signature Series system, it is important to consider system size (tonnage), square footage, insulation quality, and climate conditions. Available options range from 2 ton to 5 ton systems, making them suitable for everything from smaller homes to large residential and light commercial applications.
These systems are designed for professional installation and are compatible with standard 24V thermostats, offering flexibility for both new construction and system replacement projects. With durable construction, quiet operation, and service-friendly design, the MRCOOL Signature Series provides a reliable, long-term HVAC solution built for real-world performance.
Frequently Asked Questions
What size MRCOOL Signature Series system do I need?
A: System size depends on square footage, insulation, ceiling height, and climate zone. A properly sized system ensures optimal efficiency, performance, and long-term reliability.
What is TruInverter technology and why does it matter?
TruInverter technology allows the system to continuously adjust compressor speed instead of cycling on and off. This results in more consistent temperatures, improved energy efficiency, quieter operation, and reduced wear on components.
Can MRCOOL Signature Series systems handle extreme temperatures?
A: Yes. These systems are engineered to operate in both high heat and low ambient conditions, providing reliable cooling during extreme summer temperatures and consistent heating in cold climates.
Is professional installation required for Signature Series systems?
A: Yes. Unlike DIY mini splits, Signature Series systems are designed for professional installation to ensure proper sizing, airflow design, refrigerant handling, and electrical setup.
What are the benefits of an inverter heat pump vs a traditional HVAC system?
Inverter heat pumps provide better efficiency, more consistent comfort, lower energy costs, and longer system lifespan compared to traditional single-stage systems that frequently cycle on and off.
Rated 4.7 / 5 Stars
4700+ Verified Reviews
Comfort That Speaks for Itself
See why homeowners and pros alike trust MRCOOL DIY systems to deliver comfort, savings, and easy installation.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!
Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency
Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.
I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.
Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.
Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!
I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.
MRCOOL Signature Series System Size Comparison
Choosing the right system size is critical for performance, efficiency, and long-term reliability. Use the chart below to compare MRCOOL Signature Series TruInverter systems and find the best fit for your space.
| System Size | BTU Capacity | Recommended Coverage | Best For | Common Applications |
|---|---|---|---|---|
| 2 Ton | 24,000 BTU | 1,000 – 1,200 sq ft | Smaller homes / tight layouts | Condos, small houses, additions |
| 3 Ton | 36,000 BTU | 1,200 – 1,800 sq ft | Standard residential homes | Single-family homes, mid-size layouts |
| 4 Ton | 48,000 BTU | 1,800 – 2,500 sq ft | Larger homes / open floor plans | Large houses, multi-level homes |
| 5 Ton | 60,000 BTU | 2,500+ sq ft | High-demand / large spaces | Large homes, shops, light commercial |
Note: These sizing estimates are general guidelines. Proper HVAC sizing should always account for insulation, ceiling height, windows, climate zone, and overall building design. For best results, consult a licensed HVAC professional.
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