Have you ever dreamed of growing fresh tomatoes in the middle of winter? A small greenhouse can make that dream a reality! But here’s the catch: keeping your plants happy and thriving in a greenhouse requires a steady temperature. Without a heater, your delicate seedlings could freeze. Choosing the right heater, however, can be tricky. There are so many types, sizes, and features. Figuring out what’s best for your small greenhouse can feel overwhelming.
This blog post is here to help you avoid those gardening headaches. We’ll explore the important things you need to know about greenhouse heaters. We’ll cover everything from what to consider before you buy to the different types available. We’ll also help you understand the pros and cons of each one. You’ll learn how to choose a heater that fits your budget and your greenhouse’s size perfectly.
By the end of this guide, you’ll be ready to make a smart decision. You’ll understand how to keep your plants warm and happy all season long. Get ready to turn your small greenhouse into a winter wonderland for your plants! Let’s dive into the world of greenhouse heaters and discover the best options for your needs.
Our Top 5 Heater For Small Greenhouse Recommendations at a Glance
Top 5 Heater For Small Greenhouse Detailed Reviews
1. Electric Greenhouse Heater with Thermostat – 1500W Stainless Steel Outdoor Fan Heater
Rating: 9.1/10
Keep your plants happy with the Electric Greenhouse Heater! This 1500W stainless steel heater is made for greenhouses, patios, and more. It heats up fast and has a thermostat. The heater is safe and can handle different weather. It is built to keep your plants growing strong, even in the cold.
What We Like:
- Fast Heating: The heater warms spaces up to 300 square feet quickly.
- Precise Temperature Control: A digital thermostat lets you set the perfect temperature.
- Energy Efficient: The heater saves energy. You can switch between Fahrenheit and Celsius.
- Safety Features: It has overheat protection to keep you safe. The heater also has non-slip pads.
- Durable Design: The stainless steel design is strong and resists weather damage.
What Could Be Improved:
- (No cons provided in the prompt.)
This greenhouse heater is a great way to keep your plants healthy. It’s safe, efficient, and built to last. Get ready for a successful growing season!
2. Amazon Basics Ceramic Space Heater
Rating: 8.8/10
Stay warm with the Amazon Basics Ceramic Space Heater! This mini heater is great for your office desk or camping trip. It’s small, safe, and easy to use. This little heater gives off heat quickly. It’s a perfect way to keep warm in a small space. The blue color looks nice too.
What We Like:
- It is small and fits almost anywhere.
- You can easily move the heater around. It only weighs 1.4 pounds.
- The heater warms up fast. It has ceramic coils that heat quickly.
- It has safety features. The heater turns off if it tips over.
What Could Be Improved:
- The heater only puts out 500W of power. It might not heat a large room.
- It only has one heat setting.
This Amazon Basics heater is a good choice for small spaces. It’s safe and easy to move around. This is a good buy for anyone who needs a little extra warmth!
3. VIVOSUN Portable Greenhouse Heater
Rating: 8.8/10
The VIVOSUN Portable Greenhouse Heater is a small heater designed for various spaces. It offers three different modes, including a fan-only setting for cool air and two heat settings for warmth. It is built for safety and has a compact design. This heater is easy to move around and perfect for greenhouses, grow tents, and other areas.
What We Like:
- It has three modes: fan, 750W heat, and 1500W heat.
- The heater warms up quickly, in about 3 seconds!
- It is safe with overheat protection. It turns off if it gets too hot.
- The heater is small and easy to carry with a handle.
- It has a dustproof design (IP20 rating).
- It can heat areas up to 160 square feet.
- It is useful in many places, like greenhouses and garages.
What Could Be Improved:
- We don’t have any cons to list for this product.
In conclusion, the VIVOSUN Portable Greenhouse Heater is a good choice for small spaces. It’s safe, easy to use, and can warm up a room quickly.
4. Comfort Zone Electric Portable Milkhouse Style Utility Space Heater with Adjustable Thermostat
Rating: 8.7/10
The Comfort Zone Electric Portable Milkhouse Style Utility Space Heater is a great way to heat up your garage or greenhouse. It’s designed to be safe and easy to use. This heater has an adjustable thermostat, overheat protection, and a safety tip-over switch. It provides efficient warmth without costing a lot of money.
What We Like:
- COST-EFFECTIVE HEATING: This heater helps you save money. It heats your garage efficiently.
- VERSATILE HEAT SETTINGS: You can choose from three heat settings. There is a low, high, and fan-only setting.
- PERSONALIZED COMFORT CONTROL: The adjustable thermostat lets you set the perfect temperature. You can make it as warm as you want.
- PRIORITIZING SAFETY: It has safety features like indicator lights, a tip-over switch, and overheat protection. It helps keep you safe.
- ROBUST AND PORTABLE DESIGN: The heater is made of metal and is easy to move. The handle is easy to grab.
What Could Be Improved:
- This review does not have any cons.
This Comfort Zone heater is a smart pick for anyone needing extra heat. It is both safe and easy to use. It keeps you warm without costing a lot.
5. BN-LINK Seedling Heat Mat Warm Hydroponic Heating Pad Waterproof 10″ x 20.75″ – 2 Pack for Seed Starting Greenhouse and Germination
Rating: 9.1/10
Get your seeds off to a great start with the BN-LINK Seedling Heat Mat! This handy two-pack of heating pads helps create the perfect environment for seedlings to thrive. The mats provide gentle, consistent warmth, mimicking the ideal temperatures for seed germination. With its waterproof design and easy-to-clean surface, this heating pad is a must-have for any gardening enthusiast, whether you’re starting seeds indoors or in a small greenhouse.
What We Like:
- Provides ideal germination temperatures (70°F to 85°F).
- Offers consistent heating without burning seeds.
- Waterproof and easy to clean with a damp cloth.
- Durable and flexible for easy storage.
- Perfect size for standard growing trays (10″ x 20.75″).
- Comes with a 15-month warranty for peace of mind.
What Could Be Improved:
- None stated in the provided information.
The BN-LINK Seedling Heat Mat is a great product for anyone looking to grow plants from seeds. It’s easy to use and will help your seeds grow strong and healthy!
Heating Your Tiny Oasis: A Buying Guide for Greenhouse Heaters
Do you have a small greenhouse? Great! You can grow plants all year. You’ll need a heater to keep your plants warm. This guide will help you choose the best heater for your small greenhouse.
Q: What are the main Key Features?
A: The best heater is safe and does its job. Here are key things to look for:
- **Thermostat:** This is super important. It lets you set the temperature. The heater will turn on and off to keep the temperature right.
- **Safety Features:** Look for a heater with a tip-over switch. If it falls, it will shut off. Overheat protection is also a must. This prevents the heater from getting too hot.
- **Size and Wattage:** Make sure the heater is the right size for your greenhouse. Bigger greenhouses need more powerful heaters (higher wattage).
- **Type of Heater:** There are different types, like electric, propane, and kerosene. Electric heaters are usually easiest to use.
Q: What materials are important?
A: The materials used in the heater matter. They affect how well it works and how long it lasts:
- **Heating Element:** The heating element is what makes the heat. It is often made of metal coils or ceramic.
- **Casing:** The outside of the heater should be made of strong, heat-resistant materials. Plastic and metal are common.
- **Power Cord:** Make sure the power cord is sturdy and long enough to reach an outlet.
Q: What makes a heater good quality?
A: Several things can affect a heater’s quality:
- **Brand Reputation:** Choose a heater from a well-known brand. They often make better products.
- **Warranty:** A good warranty shows the company believes in its product.
- **Construction:** Look at how the heater is made. Are the parts put together well? Is it sturdy?
- **Efficiency:** A more efficient heater uses less energy. Look for heaters that are energy-efficient.
Q: How do I use a greenhouse heater?
A: Using a greenhouse heater is usually simple. Here’s how:
- **Placement:** Put the heater in a safe spot. Don’t put it near flammable things.
- **Setting the Thermostat:** Set the thermostat to the temperature you want.
- **Power On:** Plug in the heater and turn it on.
- **Monitor:** Check the temperature regularly to make sure it is working.
Q: What are some use cases for a greenhouse heater?
A: A greenhouse heater is very helpful:
- **Extending the Growing Season:** You can start plants earlier in the spring and keep them growing later in the fall.
- **Protecting Plants from Frost:** A heater will protect your plants from freezing temperatures.
- **Growing Warm-Weather Crops:** You can grow plants that need warm weather, even in a cold climate.
Q: What are the different types of heaters?
A: Different types of heaters work differently:
- **Electric Heaters:** These are easy to use and plug into an outlet.
- **Propane Heaters:** Propane heaters need propane tanks. They can heat larger greenhouses.
- **Kerosene Heaters:** Kerosene heaters also need fuel. They are often used in larger greenhouses.
Q: How do I choose the right size heater?
A: The size of your greenhouse matters. You need to figure out how many British Thermal Units (BTUs) you need. A BTU is a unit of heat. There are online calculators that can help you.
Q: How do I maintain a greenhouse heater?
A: Regular maintenance will help your heater last longer. Clean the heater regularly. Check the power cord for damage. Follow the manufacturer’s instructions.
Q: Where can I buy a greenhouse heater?
A: You can buy greenhouse heaters at garden centers, hardware stores, and online retailers. Read reviews before you buy. This will help you make a good choice.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

Hi, I’m Hector Quintanilla, the creator of helmetslab.com.. As a passionate enthusiast and experienced expert in helmets, I’ve dedicated this platform to sharing my insights, knowledge, and hands-on experiences. Whether you’re seeking the best helmet for safety, comfort, or performance, my goal is to guide you with detailed reviews, tips, and advice. Ride safe, and let’s explore the world of helmets together!




