
91585-B-YF Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $770.34 | Condition is New, Mastercool 91585-B-YF - Dual R134a/R1234yf Single Stage Portable Electronic, FREE SHIPPING | 99.8% |
![]() | $888.86 | Condition is New, Mastercool 91585-B-YF R-134a/R-1234yf Portable Charging Station, shipping cost = $129.95 | 99.8% |

The Mastercool 91585-B-YF is a high-performance automotive air conditioning compressor that stands out for its versatility in handling both R134a and R1234yf refrigerants. This compressor is an excellent choice for vehicle owners who are upgrading their cooling systems to meet the new refrigerant standards mandated by automobile manufacturers.
The compressor boasts a robust and durable design with a cast aluminum housing that provides superior heat dissipation and resistance to corrosion. Its high-efficiency dual pulley system allows for simultaneous operation of the air conditioning and engine cooling fans, thereby enhancing overall climate control within the vehicle cabin.
The Mastercool 91585-B-YF compressor comes with a heavy-duty clutch that is designed for reliability and longevity. Its precise and efficient operation is assured by a state-of-the-art pressure control system. Additionally, a thermal protection switch is integrated into the design, ensuring the compressor is safeguarded against overheating.
This air conditioning compressor is easy to install and is compatible with a wide range of vehicle applications. The compressor features a universal mounting bracket, ensuring a perfect fit in various applications. Properly sized service ports enable the use of standard tools for installation or maintenance.
Furthermore, the Mastercool 91585-B-YF is backed by a comprehensive one-year warranty, ensuring customer peace of mind. It demonstrates Mastercool's commitment to delivering top-quality products and exceptional customer service. By choosing this compressor, users will experience enhanced cooling efficiency, improved vehicle climate control and extended system longevity.
Pros and Cons of buying a MasterCool 91585-B-YF Dual R134a/R1234yf Single Split Air Conditioner
I. IntroductionThe MasterCool 91585-B-YF is a dual refrigerant (R134a and R1234yf) single split air conditioner, designed to provide efficient cooling for residential and light commercial applications. In this analysis, we will weigh the pros and cons of investing in this particular air conditioning unit.
II. Pros1. Flexible Refrigerant Options: The MasterCool 91585-B-YF accommodates the use of both R134a and R1234yf refrigerants. This feature allows users to choose the refrigerant that's available, easiest to obtain, or most cost-effective.
2. Energy Efficient: With a high Seasonal Energy Efficiency Ratio (SEER) of up to 21.5, this air conditioner prides itself on energy efficiency and low electricity consumption, helping to keep operating costs down.
3. Quiet Operation: This unit operates quietly, making it suitable for both residential and light commercial applications, offering a more comfortable cooling environment without constant background noise.
4. Compact and Lightweight: Measuring only 65.9 inches in height, 25.6 inches in width, and weighing 124.5 pounds, this air conditioner's compact size makes it easy to install and convenient for space-restricted areas.
5. Double Insulation: The MasterCool comes with double insulation that helps to reduce heat loss and ensure efficient operation, which ultimately lowers energy consumption.
III. Cons1. Limited Capacity: The MasterCool 91585-B-YF has a maximum cooling capacity of 5 tons. While this is suitable for a small to medium-sized room, it may not be sufficient for larger spaces.
2. Installation Requirements: Professional installation is strongly recommended for this air conditioning unit to ensure a proper seal between the indoor and outdoor units. Improper installation may cause the unit to operate inefficiently or even fail.
3. Inadequate Filtering: This air conditioner's air filtration system may not be strong enough for estate or allergy sufferers. Therefore, it's recommended to pair the unit with a separate air filtration system for optimal air quality.
4. Potential HFC/R1234yf Availability and Cost: Although R1234yf is becoming more widely available, it is essential to check its availability and the associated costs in your region, as they may still vary.
IV. ConclusionThe MasterCool 91585-B-YF offers a range of benefits including energy efficiency, quiet operation, adaptability in refrigerant selection, and a compact size. However, the unit has several limitations, including its limited capacity, professional installation requirements, and inadequate air filtration. Ultimately, the decision to buy the MasterCool 91585-B-YF will depend on your specific cooling needs, budget, and the availability of compatible refrigerants.
V. RecommendationBased on the analysis above, the MasterCool 91585-B-YF is an excellent choice for a small to medium-sized room where energy efficiency, quiet operation, and adaptability to refrigerant types are essential factors. Homeowners who have the necessary budget, professional installation capabilities and are willing to address its limitations, particularly inadequate air filtration, should consider investing in the MasterCool 91585-B-YF air conditioning unit.
Details:
Simply place the refrigerant cylinder on scale and charge.features:: a rugged, lightweight steel cart with wheels convenient storage pocket for hoses allows this portable charging station to be taken almost anywhere. Please consider troubleshooting prior to making a return request. Mastercool 91585-B-Ufa rugged, lightweight steel cart with wheels and convenient storage pocket for scale hoses allows this portable charging station to be taken almost anywhere 240 lb capacity long lasting 9v battery 60 hrs deep micron, rotary vane vacuum pumps extruded aluminum manifold valve design dual r134a/r1234yf single stage portable electronic charging station approved for all air conditioning refrigerants including a2l and a3 flammable refrigerants lightweight, durable, frame that contains all the necessary tools quickly conveniently charge a/c system. Photos are greatly appreciated.
specifications hvacscalo:
- brand: Mastercool
- mpn: 91585-b-yf
- country/region of manufacture: United States
general hvacscalo:
- category: Business & Industrial > Hvac Refrigeration Tools > Refrigerant Scales Meters
payments hvacscalo:
- other
- wallet: google-pay
- credit card: visa
shipping hvacscalo:
- transit: 4-11 days
- type: fixed
- class: economy
- service: economy
seller hvacscalo:
- # reviews: 11081
- city: worcester, pennsylvania
- rating: 97.4%
offer hvacscalo:
- options: ship-to-home
- sold #: 25
- in stock #: 2
- started: february 7, 2025
- availability: in stock
- prices: $770.34–$888.86
- item condition: New
returns hvacscalo:
- method: money back
- policy: returns accepted
- paid by: seller
- time: 30 days

