Best Refrigerant Retrofit Kits of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 7, 2026

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Refrigerant retrofit kits are designed to help individuals and businesses upgrade their cooling systems to comply with new environmental regulations. These kits contain all the necessary components to replace older refrigerants with newer, more environmentally friendly options. By retrofitting their cooling systems, users can reduce their carbon footprint and save money on energy costs. Retrofit kits are available for a variety of cooling systems, including air conditioners and refrigeration units, and can be installed by a professional technician. Overall, these kits provide a cost-effective solution for those looking to make their cooling systems more sustainable.

At a Glance: Our Top Picks

Aracey R12 to R134A Retrofit Kit Cover #TOP 1
Aracey R12 to R134A Retrofit Kit
ftb score rating icon 9.8
Certified A/C Pro R12 to R134a Adapter Kit Cover #TOP 2
Certified A/C Pro R12 to R134a Adapter Kit
ftb score rating icon 9.7
CANIPHA R1234yf to R134a Adapter Kit Cover #TOP 3
CANIPHA R1234yf to R134a Adapter Kit
ftb score rating icon 9.5

Top 10 Refrigerant Retrofit Kits

#TOP 1

Aracey R12 to R134A Retrofit Kit

784624186547
Aracey R12 to R134A Retrofit Kit Cover
R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter,Fits for AC Air Conditioner Refrigerant

The Aracey Retrofit Adapter Kit provides a seamless solution for converting R12 and R22 air conditioning systems to R134A. This kit includes high-quality metal and plastic components, ensuring durability and resistance to heat, which enhances safety during operation. The included valve cores are designed to prevent refrigerant leaks, making your system more reliable. Additionally, the kit features easy-to-use fittings that allow for quick connections to your existing setup, simplifying the conversion process and saving you time.

What We Like
High-quality construction
Easy installation
Leak prevention
Durable materials
#TOP 2

Certified A/C Pro R12 to R134a Adapter Kit

A/C Pro
VA-LH11
Certified A/C Pro R12 to R134a Adapter Kit Cover
Certified A/C Pro Car Air Conditioner Adapter Kit, Complete AC Conversion Adapter Kit Converts R12 to R134-A Refrigerant, Includes 1 Low Side Port, 3 High Side Ports and Retrofit Label, InterDynamics

The Certified A/C Pro Adapter Kit makes switching your car’s air conditioning system from R-12 to the more modern R-134a refrigerant simple and convenient. It includes a service port designed for R-134a, allowing you to easily connect and recharge your system. This kit is compatible with all vehicle makes and models, so you don’t have to worry about fit issues. Additionally, it comes with a low-side port sized at 7/16 inches and a high-side port at 3/8 inches, which help ensure proper connections during servicing. With this kit, you can upgrade your A/C system efficiently and keep it running smoothly.

What We Like
R-134a service port included
Converts R-12 to R-134a
Universal vehicle compatibility
Low-side 7/16" port
High-side 3/8" port
#TOP 3

CANIPHA R1234yf to R134a Adapter Kit

MA0476
CANIPHA R1234yf to R134a Adapter Kit Cover
2Pcs R1234yf to R134a Adapter, Quick Couplers Kit R1234yf Refrigerant Recharge Kit, High/Low Side R134a to R1234yf Adapters for R1234yf/R134a Car Ac Refrigerant System Evacuation Recharging, Red, Blue

The CANIPHA AC Adapter Kit is designed to help you easily convert and recharge your car's air conditioning system. Its secure sealing with precision threads and rubber seals prevents leaks, giving you peace of mind during use. Made from durable brass, this adapter withstands high temperatures, ensuring long-lasting performance. The kit’s user-friendly design features an auto-close function and ball-lock mechanism, making installation and removal simple and hassle-free. Plus, it works with various refrigerants and tools, so you can handle different AC maintenance tasks efficiently and safely.

What We Like
Leak-proof sealing
Durable brass material
Easy installation
Versatile compatibility
#TOP 4

Elite RL631 6" LED Baffle Retrofit Kit

848070042854
White
1 Count (Pack of 1)
Elite RL631 6" LED Baffle Retrofit Kit Cover
Elite RL631 6" LED Baffle Retrofit Kit, 950 Lumens (White, 3000K)

The Elite 6" LED Retrofit is designed to easily fit into most existing 6-inch light housings, making installation simple and convenient for you. It delivers over 950 lumens of bright, focused light, ensuring your workspace is well illuminated. You can also control the brightness with compatible dimmers, allowing you to set the perfect lighting mood by dimming down to 15% of the original brightness. Plus, it uses less than 15 watts of power while providing more light than traditional bulbs, helping you save energy and reduce electricity costs.

What We Like
Easy installation
High brightness output
Dimmable lighting
Energy efficient
#TOP 5

Mudder VA-LH11 R-12 to R-134a Retrofit Kit

Mudder-Retrofit Parts Kit-01
Classic Color
Mudder VA-LH11 R-12 to R-134a Retrofit Kit Cover
Mudder 4 Pieces VA-LH11 A/C Pro R-12 to R-134a Retrofit Parts Kit Retrofit Conversion Adapter Fitting Compatible with 1/4 SAE Thread Low High Side Conversion(Bright Color)

The Mudder Retrofit Kit includes four essential pieces: two adapters for converting R-12 to R-134a, one low-side port, and one high-side port, plus dust caps to keep everything clean. This kit allows you to update your vehicle’s air conditioning system from R-12 to R-134a, which is useful if you want to use modern refrigerants. It fits many vehicles from 1976 to 1995, making it a convenient choice if you drive an older car. Installation is simple since the parts screw on easily and come with protective covers to keep the valves safe. This kit is designed to be durable and rust-resistant for long-lasting use.

What We Like
Complete 4-piece adapter set
Compatible with many older vehicles
Easy screw-on installation
Protective dust caps included
Durable, corrosion-resistant material
#TOP 6

Gohantee R134a Recharge Hose Kit

R134A Refrigerant Charging Hose
51 inches
Gohantee R134a Recharge Hose Kit Cover
R134a Recharge Hose Kit with Gauge, 51'' AC Refrigerant Recharging Hose Measuring Kit, Self-sealing R-134a Can Tap Refrigerant Dispenser to R-12/R-22 port, Include R134a Low Side Quick Couple

The Gohantee Recharge Hose Kit is designed for easy refilling of R134A, R12, or R22 refrigerants in vehicles and home air conditioning systems. Its self-sealing can tap simplifies the process by eliminating puncturing, making it safer and cleaner to use. You can easily monitor the refrigerant pressure with the included gauge, ensuring you achieve the correct charge every time. Made from durable metal and high-quality rubber, this kit promises solid construction and reliable performance for all your refrigerant needs.

What We Like
Wide compatibility
Self-sealing can tap
Pressure gauge included
Durable materials
#TOP 7

Taiss 11PCS R12 to R134A Conversion Kit

F-114
11PCS
Taiss 11PCS R12 to R134A Conversion Kit Cover
Taiss 11PCS R12 to R134A Conversion Kit,R12 R22 to R134A High/Low Fittings Port with 1/4’’to 7/16"-20 UNF Connection,AC Retrofit Fitting Adapter Kit for AC Air Conditioner Refrigerant System

The Taiss Conversion Kit is designed to help you transition from R12 or R22 refrigerants to R134a with ease. The low and high side adapters allow you to connect your old charging ports to R134a quick disconnect hoses, making the conversion straightforward. Made from durable metal and plastic, these fittings ensure high heat resistance and long-lasting use. Additionally, the included A/C valve core accessories are corrosion-resistant and waterproof, providing reliable performance for your air conditioning system. With this kit, you can effectively upgrade your refrigerant system while ensuring safety and efficiency.

What We Like
Easy conversion to R134a
Durable materials
Corrosion and impact resistance
Comprehensive accessory kit
#TOP 8

cmebiz ES1234AG2 R1234YF Refrigerant Gauge Kit

cmebiz
ES1234AG2
cmebiz ES1234AG2 R1234YF Refrigerant Gauge Kit Cover
Generic R1234YF, 1234YF Refrigerant Support, for Auto w/Brass Gauge (2 Pack), Blue, Gold, and White, ES1234AG2

The cmebiz R1234YF Gauge Kit is designed to improve your vehicle’s air conditioning system by making the air inside your car cooler and more refreshing. This kit helps extend the life of your A/C system, so you won't have to worry about frequent repairs or replacements. It also acts as a booster for your air conditioning, enhancing its overall performance and efficiency. With its high-quality brass gauge, this product ensures durability and accurate readings, giving you confidence while maintaining your A/C system. This kit is a convenient solution to keep your car’s cooling system running smoothly and effectively.

What We Like
Improved cooling performance
Extended system lifespan
A/C performance booster
Durable brass gauge
#TOP 9

ZeroR Hydrocarbon R134a Replacement Kit

4-Z134K-A
4 Cans
ZeroR Hydrocarbon R134a Replacement Kit Cover
ZeroR AC Refrigerant Recharge Kit | R134a Replacement | Tool for Cans with SSV (4)

The ZeroR R134a Recharge Kit provides a natural and eco-friendly alternative to traditional refrigerants. It uses a hydrocarbon blend that is safe for the ozone layer and does not contribute to global warming, making it a responsible choice for your AC system. The kit comes with 6oz cans measured by weight, ensuring you use just the right amount without waste. Plus, the cans feature a Self Sealing Valve (SSV), allowing you to store any unused gas safely without losing pressure. Just be sure to use an SSV-compatible tool to get the best performance when recharging.

What We Like
Eco-friendly hydrocarbon blend
Precise 6oz gas measurement
Self Sealing Valve cans
Ozone-safe and non-GWP
#TOP 10

Ski-Doo LinQ Cargo Base Retrofit Hardware Kit

Ski-Doo
860201812
Black
Ski-Doo LinQ Cargo Base Retrofit Hardware Kit Cover
Ski-Doo New OEM LinQ Cargo Base Retrofit Hardware Kit For 20" Vehicles 860201812

The Ski-Doo LinQ Cargo Base Retrofit Hardware Kit is the perfect accessory for your 20" vehicles, specifically designed to fit the Expedition model. With this kit, you can easily retrofit the LinQ Cargo Base Kit (860201806) onto your vehicle, providing you with a convenient and secure storage solution. The LinQ Cargo Base allows you to attach various accessories, such as cargo bags or fuel caddies, to your vehicle, giving you extra storage space for your outdoor adventures. With the Ski-Doo LinQ Cargo Base Retrofit Hardware Kit, you can easily customize your vehicle to meet your specific needs and enjoy the convenience of having all your gear within reach. Upgrade your vehicle today and experience the benefits of the Ski-Doo LinQ Cargo Kit.

What We Like
Convenient storage solution
Customizable to meet your needs
Easy to retrofit onto your vehicle
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Can R134a be retrofitted?

Yes, it is possible to retrofit R134a refrigerant. The process involves recovering the R-12 charge, installing the correct R-134a service fittings, adding the necessary lubricant, and recharging the system with R-134a refrigerant.

2. Can an R22 system be converted to R134a?

Yes, it is possible to convert an R22 system to R134a refrigerant. It is recommended to have the conversion performed by professionals who offer environmentally safe conversion operations.

3. Can you put R134a in an R12 system?

No, it is not recommended to put R134a refrigerant in an R12 system. R12 and R134a have different chemical compositions and properties. Mixing these two refrigerants can lead to chemical reactions and damage to the system components.

4. What freon can be used in place of R12?

There are several replacement refrigerant options for R12 systems, including R134a, R401a, and R401b. Among these options, R134a is considered the best replacement refrigerant.

5. What is the new alternative to R134a?

The new alternative to R134a refrigerant is R-1234yf. Most auto manufacturers are now using R-1234yf as the replacement of choice for R134a in their vehicles.

6. What happens if you put 1234yf in a 134a system?

Mixing R-1234yf with R-134a can change refrigerant pressure and may result in evaporator freeze-up on pressure control systems, reducing system airflow.

7. Can you replace R-22 with something else?

Yes, there are several ozone-friendly refrigerant options available to replace R-22, such as R-410A (GENETRON AZ-20, SUVA 410A, Forane 410A, Puron). These alternatives are widely used in new HVAC units.

Editor's Notes

During our refrigerant retrofit kit research, we found 24 refrigerant retrofit kit products and shortlisted 10 quality products. We collected and analyzed 12,282 customer reviews through our big data system to write the refrigerant retrofit kits list. We found that most customers choose refrigerant retrofit kits with an average price of $11.71.

The refrigerant retrofit kits are available for purchase. We have researched hundreds of brands and picked the top brands of refrigerant retrofit kits, including Aracey, A/C Pro, CANIPHA, Elite Lighting, Mudder. The seller of top 1 product has received honest feedback from 89 consumers with an average rating of 4.9.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.