It’s not that easy to choose the right seedling mat 48 x 20 since there’s a ton of things you need to consider first. Some of the factors we paid attention to in our evaluation when reviewing the top seedling mat 48 x 20 on the market. Through our research, weve looked through catalogues to pick out the very best for you. Through our comparison table, in-detail reviews of each product, were going to reveal the name of our best seedling mat 48 x 20 on the marketbut dont skip to the end!

Best seedling mat 48 x 20

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Best seedling mat 48 x 20 reviews

1. VIVOSUN 48"x20.75" Seedling Heat Mat and Digital Thermostat Combo Set

Feature

RELIABLE RESULTS: VIVOSUN's professional heat mat maintains temperatures in the sweet spot of around 10-20 above ambient air temperature - perfect forseed starting and cutting propagation!
BUILT TO LAST: The heat mat is supple, flexible and ultra-durable, VIVOSUN goes beyond stringent MET standards, with a fortified connection between mat and power cord, water-resistance that enables safe scrubbing and a 1-year warranty.
PROFESSIONAL RELIABILITY: The controller maintains a stable temperature between 68-108F (20-42C) for professional horticultural systems; the sensor probe delivers accurate readings in both cool and warm environments.
ZERO-EFFORT SETUP & OPERATION: The controller comes with a manual, but you won't need to read it! Using 3 buttons, you can set a temperature or change the display between Fahrenheit/Celsius in seconds.
COMPATIBILITY & SAFETY GUARANTEED: Compatible with any heat mat and ready to plug into North American outlets, VIVOSUN is the best choice for safe and professional heat-mat regulation.

2. iPower 48" x 20" Warm Hydroponic Seedling Heat Mat and Digital Thermostat Control Combo Set for Seed Germination

Feature

Seedling heat mat is the new, stronger heating wire and thicker multi-layer construction
Warms root area 10-20 degree above room temperature to improve veggie, herb, and flower seed germination
Thermostat control provides constant optimal temperatures, perfect for homebrewing, germination and fermentation
Easy Plug-In Operation with LED Illuminated Indicator Lights & Three-Prong Ground Plug, controllable range of 68F - 108F (20-42C), choice of Celsius or Fahrenheit readout
1 Yr Manufacturer Warranty. Package Includes: 1 - Heat Mat (48""x 20"" Watt: 100W) / 1 - Digital Thermostat (120 Volts / 8 Max Amps /60 HZ)

Description

iPower is the leading manufacturer of grow light systems, supplying the gardeners worldwide for over a decade. Our goal is to put a light in every garden where needed. iPower Heat Mat and Digital Thermostat Controller Combo Set. Package Includes: 1 - Heat Mat and 1 - Digital Thermostat. This digital thermostat controller for use with heat mats. The thermostat connects with the heat mat to set exact temperature. Both Celsius and Fahrenheit read outs. Controllable range from 68F - 108F. Variety of uses, used in seed germination, home brewing for maintaining desired fermentation temperature, and perfect for temperature control in reptile terrariums and small pet enclosures.

3. iPower Durable Waterproof Seedling Heat Mat 48" x 20" Warm Hydroponic Heating Pad

Feature

Seedling heat mat is the new, stronger heating wire and thicker multi-layer construction
Heat mat warms 10-20F above ambient room temperature to improve vegetable, herb, and flower seed germination
Thermostat provides constant temperature control for homebrewing, germination and fermentation
Digital thermostat provides temperature control between 68F - 108F (20-42C), choice of Celsius or Fahrenheit readout. Easy plug-In operation with LED illuminated indicator lights & three-prong grounded plug
1 Year Manufacturer Warranty. Package Includes: 1 - Heat Mat (48"x 20" Watt: 100W)

Description

The Seedling Heat Mat uses 17 watts to warm root area 10 to 20 degrees over ambient temperature and improve seed germination and increases the success of seedlings and cuttings. Waterproof construction with six foot power cord.

4. VIVOSUN Durable Waterproof Seedling Heat Mat Warm Hydroponic Heating Pad 48" x 20.75"

Feature

Warms root area 10 to 20 degrees over ambient temperature.
Dimensions: 48"x 20.75" Watt: 105W Power Cord's Length: 5.7ft
Seedling heat mat for better plant growth and flower seed germination.
Can be placed in many different sizes of seedling bowl.
Increases the success of seedlings and cuttings, durable construction, waterproof and easy cleaning.

Description

Instructions:
1. Locate a flat, dry surface of the appropriate size for your heat mat.
Avoid cold surfaces, and they will counteract the heating ability of the heat mat.
2. Plug the heat mat's electrical cord into a standard 120-volt outlet.
3. Place a propagation tray or other plant container on the heat mat.
For best results, cover seedlings/cuttings with a humidity dome.

Attentions:
Failure to observe the following safety guidelines may result in fire, electrical shock and/or damage to the heat mat.
1. Never allow the heat mat to become submerged in water or any other liquid.
2. Don't place the heat mat on surfaces that emit heat (like heated floors) or insulating surfaces (like carpets or rugs).
3. Don't place the heat mat on rough or pointed surfaces, as this can damage it.
4. Don't fold or crease the heat mat. Ensure that no part of the mat touches any other part of the mat's surface.
5. Do not wrap the heat mat around anything, including potted plants.
6. Do not cover the mat with any other material.

Tips:

The surface of the heating mat may reach over 100 degrees Fahrenheit,
depending on the target soil temperature, exercise caution against prolonged bare skin contact.


Note:

The heating mat is warmed by inner heating wires, which is a pure resistance circuit that cannot be caught fire.


Warning:

Please make sure that heat mat is put flat before plugging in the power cord.

5. iPower GLHTMTLX2 2-Pack Durable Waterproof Seedling 48" x 20" Warm Hydroponic Heating Pad MET Standard, Black

Feature

DURABLITY: Internal insulated wiring for enhanced safety. Heavy duty multi-layer construction. Mat Certified with MET
PROFESSIONAL RELIABILITY: Warms 10-20F above ambient room temperature. Provides constant temperature to improve vegetable, plant, herb, and flower seed germination
VARIETY OF USES: Perfect for seeding, germination, home-brewing, and pet enclosures terrariums, such as those used in reptile, rodent and arachnid
DIMENSIONS: 10"x 20.5", Watt: 17.5W; 20"x 20", Watt: 48W; 48"x 20", Watt: 100W; Length of Power Cord: 5.90ft
QUALITY GUARANTEE: 1 Year Manufacturer Warranty. Package include: 2-pack iPower 48" x 20" seedling heat mat

Description

The power is engineered for better performance and greater durability. The new, stronger heating wire and thicker multi-layer construction offers more uniform heating and the durability to withstand rugged greenhouse environments.This seedling heat mat will increase the success of seedlings and cuttings, and will warm the root area 10-20F over ambient temperature to improve germination. Perfect for seeding, germination, home-brewing, and pet enclosures terrariums, such as those used in reptile, rodent and arachnid. 48" x 20" heat mat; Fits under one common seed flat Gently warms root area to improve germination Increases success of seedlings and cuttings Warms root area 10-20F over ambient temperature to improve germination Provides constant temperature to improve vegetable, plant, herb, and flower seed germination. Waterproof design allows for you to scrub and easier cleaning Durable, internal insulated wiring for enhanced safety Heavy duty multi-layer construction Length of Power Cord: 5.90ft 1 Year Manufacturer Warranty Entire seedling heat mat MET listed, ETL listed seedling heat mat cord Specifications: 10"x 20.5": 17.5W +/-2W; 20"x 20": 45W +/-5W; 48"x 20": 100W +/-10WAbout power: power is one of the Leading Professional Suppliers Over a Decade. Our goal is to put our best products in every homegarden where needed. We provide the premium quality components and reliable service.

6. Ohuhu Plant Heating Pad, IP67 Waterproof Plant Warming Mat, MET Standard 18W Hydroponic Heating Mat for Indoor Seedling and Germination, 48" x 20.75", Bonus A Storage Bag

Feature

STABLE HEATING SYSTEM: Designed to increase the temperature of the rooting area 10 to 20 above the ambient air temperature, perfect for indoor gardening, for better plant growth and flower seed germination
WATERPROOF & EASY TO CLEAN: IP67 water-resistant, proofed against splashes, showers and sprays. Due to the high waterproof level, it is easy to clean this Ohuhu plant heat mat, just need to rinse and wipe it
DURABLE & HIGH QUALITY: Made with heavy duty PVC material which is corrosion resistant, insulative, firm and durable
LARGE SIZE: The size of this Ohuhu seedling heat mat is 48" x 20.75", larger than average size of others, suitable for general seed germination
CARRYING POUCH: Comes with a storage bag, just need to roll up the heating pad and put into the handy carrying bag when not in use, convenient for collection

Description

Ohuhu Waterproof Seedling Heat Mat provides stable, even heating for better plant growth and flower seed germination. It is designed to increase the temperature of the rooting area 10 to 20 above the ambient air temperature to protect your seeds and cuttings from the cold.

For best results:
1.Place a towel, or any other type of insulating fabric beneath the mat to ensure that all the heat is directed towards the soil.
2.For seeding, a humidity dome is also recommended to more accurately monitor the waters levels in the soil.

Specification:
-Material: PVC
-Product Weight: 1384g/3.05lb
-Package Dimension: 565*115*105mm/22.2"*4.5"*4.1"

Package Content:
-1 x Heating Mat
-1 x Storage
-1 x Warranty Card

Seller Warranty
-12-Month Replacement Warranty
-30-Day Money Back Guarantee
-Lifetime Support Guarantee

7. Auxo Horticulture 48" x 20.75" Multifunction Waterproof Seedling Heat Mat Warm Heating Pad

Feature

MULTIFUNCTION - Simply wrap around or place under your container. Perfect for brewing your Kombucha and Yogurt. Another application for heat mats is heating for terrariums, windowsill herb garden, plant propagation, seedling Starting.
FASTER GERMINATION - Warms the container or root area 10 to 20 fahrenheit over ambient.
WATERPROOF & EASY TO CLEAN - Waterproof design (Level: IPX4) is for you to scrub and clean it easier.
UL LISTED POWER CORD - Includes 6 ft UL listed power cord. Plug the heat mat's electrical cord into a standard 120-volt outlet.
WHAT YOU GET - 1-piece 48" x 20.75" seedling heat mat, 1 year hassle free warranty and our friendly customer service.

Description

WHAT YOU GET

1-piece 48" x 20.75" seedling heat mat;
1 year hassle free warranty;
Our friendly customer service.

Note:

Plug the heat mat's electrical cord into a standard 120-volt outlet.
Exercise caution against prolonged bare skin contact.
Avoid cold surfaces, and they will counteract the heating ability of the heat mat.

8. MET certified 2 Pack Seedling Heat Mat, Seedfactor Waterproof Durable Germination Station Heat Mat, Warm Hydroponic Heating Pad for Indoor Home Gardening Seed Starter(10" X 20")

Feature

MET safety certifiedComply with UL 499CSA C22.2 No.64
Ensures the root area of seedlings remains between 70and 85 to ensure growth and increased germination
Available in 4 sizes: Mini3.5"x21", Watt: 7.3W ; Small: 10"x20", Watt: 17.5W ; Medium: 20"x20", Watt: 45W ; Large: 48"x20", Watt: 100W
Designing with waterproof construction, our seeding heat mat is safe for use indoor plantings,The new, stronger heating wire and thicker multi-layer construction offer more uniform heating and the durability to withstand rugged greenhouse environments.
The Seedfactor Seeding Heat Mat adopts the latest 7.5MM thickening,105 degrees of high temperature resistant cylindrical SJTW 5.9ft water-proof power cord (thicker than the general power cord, solid, high temperature resistant), safer and more durable, and guarantee the stability of seedling mat safety work.

Description

Nurture your seedlings by ensuring they have a warm area for root growth and germination.
This Seeding Heat Mat speeds up the transplanting process by keeping the soil between 70and 85.
Intended for indoor use only, this product is waterproof and easy to clean to make storage a breeze.
Available in small medium and large sizes and carries an MET safety certification.

9. iPower GLHTMTL-A 48" x 20" Waterproof Durable Seedling Heat Mat Warm Hydroponic Plant for Indoor Gardening Germination Starting, Black

Feature

Multifunction: Perfect for seeding, germination, home-brewing, and pet enclosures terrariums, such as those used in reptile, rodent and arachnid.
Durability and Safety: Internal insulated wiring for enhanced safety. Heavy duty multi-layer construction, water-resistance that enables safe scrubbing.
Professional Reliability: Warms 10-20F above ambient room temperature. Provides constant temperature to improve vegetable, plant, herb, and flower seed germination.
Convenient to Use: the mat flattens out when heating up and can also be rolled back up for easy storage.
Package Include: 1 pack 48" x 20" Heat Mat, 1 Year Manufacturer .

Description

This seedling heat mat will increase the success of seedlings and cuttings, and will warm the root area 10-20F over ambient temperature to improve germination. Perfect for seeding, germination, home-brewing, and pet enclosures terrariums, such as those used in reptile, rodent and arachnid. 1. Gently warms root area to improve germination 2reases success of seedlings and cuttings 3. Warms root area 10-20F over ambient temperature to improve germination 4. Provides constant temperature to improve vegetable, plant, herb, and flower seed germination. 5. Waterproof design allows for you to scrub and easier cleaning 6. Durable, internal insulated wiring for enhanced safety 7. Heavy duty multi-layer construction 8. Length of Power Cord: 5. 90ft 9. 1 Year Manufacturer 10. Specifications: 10"x 20. 5": 17. 5W +/-2W; 20"x 20": 45W +/-5W; 48"x 20": 100W +/-10W

10. Jump Start MT10009 48x20.75 Inch Seedling Heat Mat

Feature

Stronger heating wire, and thicker multilayer construction offer more uniform heating and durability
The layers are heat-bonded
Providing bottom heat you'll increase the germination rate
Each mat has a handy seed germination guide for many popular flowers and vegetables
Measures 48 inches x 20.75 inches, 107 Watts

Description

The Seedling Heat Mat uses 107 watts to warm root area 10 to 20 degrees over ambient temperature and improve seed germination and increases the success of seedlings and cuttings. UL listed, waterproof construction with six foot power cord.

Conclusion

By our suggestions above, we hope that you can found the best seedling mat 48 x 20 for you. Please don't forget to share your experience by comment in this post. Thank you!
Jane Mathis