MET Certified 2 Pack Seedling Heat Mat, Seedfactor Waterproof Durable Germination Station Heat Mat, Warm Hydroponic Heating P

4.6 4.6 out of 5 stars | 6,926 ratings

Price: 19.99

Last update: 03-04-2025


About this item

MET safety certified；Comply with UL 499；CSA C22.2 No.64
Ensures the root area of seedlings remains between 70℉and 85℉ to ensure growth and increased germination
Available in 4 sizes: Mini：3.5"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.

Product information


Top reviews from the United States

  • Anna
    5.0 out of 5 stars Seed heat mat
    Reviewed in the United States on January 25, 2025
    Works as should! It’s a hard mat to roll out and place something heavy on it to flatten it out before you put seeds on them. Hopefully they speed up germination. Otherwise easy to use. I had germination within three days!
    Customer image
    Anna
    5.0 out of 5 stars
    Seed heat mat

    Reviewed in the United States on January 25, 2025
    Works as should! It’s a hard mat to roll out and place something heavy on it to flatten it out before you put seeds on them. Hopefully they speed up germination. Otherwise easy to use. I had germination within three days!
    Images in this review
  • Amazon Customer
    5.0 out of 5 stars Meets Expectations
    Reviewed in the United States on October 4, 2024
    This Mat works very well - Does not overheat and keeps Seedling Trays at a consistent temperature. I used if first to germinate Orange Hat Tomatoes - which state 7 to 14 Days to germinate. These Germinated in 2 days with firs leaves opening on the 3rd day.

    Very Pleased with this product.
  • Cheryl C
    5.0 out of 5 stars Great product!
    Reviewed in the United States on December 28, 2024
    Loved the 3 rolled heat mats! Just remember to mist/ water your trays. Plants grow faster and need the water often! Like every day and remove to larger pots when 1” high. Heat will dry roots and plant goes wilted when heat pad is left on after plant emerges! I will be buying 2 more in Feb 2025!
  • Mahogany Hill
    4.0 out of 5 stars Worked well for me.
    Reviewed in the United States on July 1, 2021
    I bought a bunch of these heat mats to help me germinate veggies for my garden. This would be my first year starting seeds indoors versus direct sewing seeds. With our winters stretching, my growing season is steadily decreasing. Unfortunately, there is very low direct sun and no heat in the basement. So, I purchased these to help with my process.

    As you can see: I filled a small nursery in my basement with domed germination trays. These heat mats worked very well. Notice the dome is full of condensation. There were no cold zones on the heat mats. They helped to create a lot of condensation so I didn't have to water one bit to get the plants to germinate. I simply hydrated the soil before planting seeds and the heat mats and grow lights did the rest of the work.

    It was almost as cold in the basement as it was outside once seeds germinated. As a result, I did leave the heat mats on while waiting for it to warm up enough to transplant.

    I do have a few issues/notes. There is no temperature gauge on this unit. It's either on or off. I would also like if there was a timer on this unit as there were times when the basement heated up and the units didn't need to be on. But, alas, up and down the steps I went. ???????? I would also like if these units could be plugged into one another like some Christmas light plugs. Another concern is that I'll have to figure out a protective boundary. I had zero issues with sparks but 1) these units are not grounded so I was always concerned with them slipping out and 2) when lifting domes, condensation drips everywhere. I was very concerned about water splashing on the surgery outlets and the impact. I will jerryrig something next year just for my own peace of mind.

    Overall, it was a good buy. I bought 6 or 7 sets (of 2) in March'ish of 2021. I unplugged them all in late May (from 3 different pricy but safe surge protectors) when plants were able to be transplanted. I look forward to using these next year. They are stored inside the nursery just laying flat on the shelves. I'll definitely give an update next Spring if they don't work. But, I'm hopeful.
    Customer image
    Mahogany Hill
    4.0 out of 5 stars
    Worked well for me.

    Reviewed in the United States on July 1, 2021
    I bought a bunch of these heat mats to help me germinate veggies for my garden. This would be my first year starting seeds indoors versus direct sewing seeds. With our winters stretching, my growing season is steadily decreasing. Unfortunately, there is very low direct sun and no heat in the basement. So, I purchased these to help with my process.

    As you can see: I filled a small nursery in my basement with domed germination trays. These heat mats worked very well. Notice the dome is full of condensation. There were no cold zones on the heat mats. They helped to create a lot of condensation so I didn't have to water one bit to get the plants to germinate. I simply hydrated the soil before planting seeds and the heat mats and grow lights did the rest of the work.

    It was almost as cold in the basement as it was outside once seeds germinated. As a result, I did leave the heat mats on while waiting for it to warm up enough to transplant.

    I do have a few issues/notes. There is no temperature gauge on this unit. It's either on or off. I would also like if there was a timer on this unit as there were times when the basement heated up and the units didn't need to be on. But, alas, up and down the steps I went. ???????? I would also like if these units could be plugged into one another like some Christmas light plugs. Another concern is that I'll have to figure out a protective boundary. I had zero issues with sparks but 1) these units are not grounded so I was always concerned with them slipping out and 2) when lifting domes, condensation drips everywhere. I was very concerned about water splashing on the surgery outlets and the impact. I will jerryrig something next year just for my own peace of mind.

    Overall, it was a good buy. I bought 6 or 7 sets (of 2) in March'ish of 2021. I unplugged them all in late May (from 3 different pricy but safe surge protectors) when plants were able to be transplanted. I look forward to using these next year. They are stored inside the nursery just laying flat on the shelves. I'll definitely give an update next Spring if they don't work. But, I'm hopeful.
    Images in this review
  • Peggy H
    5.0 out of 5 stars Did the job and well
    Reviewed in the United States on January 19, 2025
    This was for a hydroponics project. Did exactly what it was supposed to do.
  • J. Davidson
    5.0 out of 5 stars Perfect for home fermenting
    Reviewed in the United States on April 3, 2024
    My sourdough starter has been struggling for 2 weeks. My kefir& kombucha was also taking a little longer to ferment. Living in a cold, dry winter climate doesn’t help. I tried all of the warming tricks and nothing was working. After some research online, several suggested seedling mats to maintain the warmer temperature required for fermentation (typically between 75-80 degrees) Brilliant!! These mats arrived same day and by the next morning, my starter had doubled in size and kefir was ready to bottle.

    Because of the wires and cords, the mats are awkward for placing jars directly on top. I used a marble tray and coasters to create a more level surface on top of the mats, and to evenly distribute the warmth. Any 12x18 tile will fit right over the mat, will maintain and distribute the warmth, and has a nice aesthetic compared to the plain black seed mats on the countertop. These mats were so affordable compared to a warming box and have created the perfect space for fermenting, bread proofing, seed starting, etc.
    Customer image
    J. Davidson
    5.0 out of 5 stars
    Perfect for home fermenting

    Reviewed in the United States on April 3, 2024
    My sourdough starter has been struggling for 2 weeks. My kefir& kombucha was also taking a little longer to ferment. Living in a cold, dry winter climate doesn’t help. I tried all of the warming tricks and nothing was working. After some research online, several suggested seedling mats to maintain the warmer temperature required for fermentation (typically between 75-80 degrees) Brilliant!! These mats arrived same day and by the next morning, my starter had doubled in size and kefir was ready to bottle.

    Because of the wires and cords, the mats are awkward for placing jars directly on top. I used a marble tray and coasters to create a more level surface on top of the mats, and to evenly distribute the warmth. Any 12x18 tile will fit right over the mat, will maintain and distribute the warmth, and has a nice aesthetic compared to the plain black seed mats on the countertop. These mats were so affordable compared to a warming box and have created the perfect space for fermenting, bread proofing, seed starting, etc.
    Images in this review
  • Venus Deleon
    5.0 out of 5 stars This speeds up the growing process a lot!!!
    Reviewed in the United States on January 17, 2024
    The media could not be loaded.
    I love how easy this was to set up. No buttons. Just plug it in and it’s already turned on. The only negative is there is no temperature readings. No high, medium or low settings either. Nice size. I can fit a lot of new seedlings on these two pads. I will definitely buy another set again when I am ready to grow from seed again.
    Customer image
    Venus Deleon
    5.0 out of 5 stars
    This speeds up the growing process a lot!!!

    Reviewed in the United States on January 17, 2024
    I love how easy this was to set up. No buttons. Just plug it in and it’s already turned on. The only negative is there is no temperature readings. No high, medium or low settings either. Nice size. I can fit a lot of new seedlings on these two pads. I will definitely buy another set again when I am ready to grow from seed again.
    Images in this review
  • Gina
    5.0 out of 5 stars Great Quality!
    Reviewed in the United States on November 11, 2024
    First time using seedling heating mats and wow what a difference! All my seeds germinated. These mats are great quality for the price. Highly recommend!

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