4 Best Crawl Space Heaters In 2024

The best crawl space heater for your home depends on various factors such as the size of the crawl space, your location, and your heating needs. A 120v crawl space heater is a popular option for many homeowners as it can be easily installed and is cost-effective to run.

When it comes to heating the crawl space under the house, it’s important to ensure that the heater is safe to use and has freeze-prevention features to protect your pipes during cold weather.

A crawl space heater with thermostat control is also highly recommended as it allows you to maintain a consistent temperature in your crawl space while keeping your energy bills low.

For those living in northern climates, there are specific crawl space heaters designed to withstand extremely cold temperatures and prevent frozen pipes.

4 best heaters for crawl space Reviews

1: Dr. Heater DR966 240-volt Hardwired Shop Garage Commercial Heater

The Dr. Heater DR966 is a powerful hardwired shop garage commercial heater that comes in two wattage options: 3000-watt and 6000-watt.

This heater is perfect for large spaces that need consistent and efficient heating. It features a fan-forced air design that can quickly warm up a room.


Dr. Heater DR966 240-volt Hardwired

The heater is built to last and is made with durable materials that are resistant to wear and tear.

It also comes with a built-in thermostat control that allows you to set your desired temperature easily.

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Pros:

  • Powerful and efficient heating
  • Durable construction
  • Built-in thermostat control
  • Quick heating
  • Easy installation
  • Quiet operation

Cons:

  • A few customers reported insufficient heating in the space

2: Cadet F Series 36″ Electric Baseboard Heater

This Electric Baseboard Heater is a sleek and efficient option for heating your crawl space. This heater is designed with a low profile and is easy to install.

Cadet F Series 36" Electric Baseboard Heater

It features a durable construction and is made with high-quality materials that can last for years.

The heater comes with a built-in thermostat control that allows you to set your desired temperature and adjust the heating levels as needed.

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Pros:

  • Efficient heating
  • Easy installation
  • Durable construction
  • Sleek design
  • Built-in thermostat control
  • Adjustable heating levels
  • Quiet operation

Cons:

  • Slow to warm up
  • A few customers reported issues with the thermostat control accuracy

3: Dura Heat EUH4000 4000W Electric Forced Air Heater, Length

The Dura Heat EUH4000 is a powerful electric forced air heater designed for industrial and commercial use.

With a heating capacity of 4000 watts, it can quickly and effectively heat up large areas like crawl spaces, garages, workshops, and warehouses.


Dura Heat EUH4000 4000W Electric Forced Air Heater

The heater features a durable steel construction and is equipped with an adjustable thermostat, overheat protection, and a fan-only mode.

The compact size and lightweight design of the EUH4000 make it easy to move and install in any space.

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Pros:

  • High heating capacity of 4000 watts
  • Durable steel construction
  • Adjustable thermostat for precise temperature control
  • Fan-only mode for ventilation
  • Overheat protection for safety
  • Lightweight and compact for easy portability
  • Suitable for use in a variety of industrial and commercial spaces

Cons:

  • The fan can be noisy at high settings

4: DIMPLEX DGWH4031G Garage and Shop Large 4000 Watt Forced Air, Industrial, Space Heater

The DIMPLEX DGWH4031G is a high-performance forced air heater that can heat up large areas like garages, workshops, and crawl spaces.

It has a heating capacity of 4000 watts and features durable steel construction and a built-in thermostat for precise temperature control.

DIMPLEX DGWH4031G Garage and Shop Large 4000 Watt

The heater also comes with a fan-only mode and an automatic overheat protection system for added safety.

The DGWH4031G has a compact design and can be mounted on the wall or ceiling for easy installation.

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Pros:

  • High heating capacity of 4000 watts
  • Durable steel construction
  • Built-in thermostat for precise temperature control
  • Fan-only mode for ventilation
  • Automatic overheat protection for safety
  • Compact design for easy installation
  • Suitable for use in a variety of industrial and commercial spaces

Cons:

  • Fan housing rattles and may make noise
  • The heater may not work well in very cold temperatures

Should I Heat My Crawl Space?

One of the most common questions among homeowners is whether they should heat their crawl space. The answer to this question depends on several factors such as the geographical location, the severity of winters, and the type of foundation.

If you live in a region with harsh winters, it is essential to heat your crawl space to prevent pipes from freezing and to ensure your home’s structural integrity.

On the other hand, if you live in a mild climate, you may not need to heat your crawl space. Another factor to consider is the type of foundation your home has. If your home has a concrete slab foundation, it may be more efficient to heat the living spaces above the crawl space rather than the crawl space itself.

If you have a pier-and-beam foundation, heating the crawl space may be necessary to maintain a comfortable indoor temperature.

Benefits of Using the Best Heater for a Crawl Space

Using the best heater for a crawl space can offer several benefits to homeowners. It can prevent pipes from freezing, which can save homeowners thousands of dollars in repair costs.

Also, it can help keep indoor air quality healthy by preventing mold and mildew growth and it can increase the energy efficiency of your home by reducing the workload on your HVAC system.

The best crawl space heaters can be easily controlled using a thermostat, allowing homeowners to maintain a consistent indoor temperature. They are also designed to be compact and easy to install, making them a convenient and cost-effective heating solution for crawl spaces.

How to Heat a Crawl Space in Winter?

Heating a crawl space in winter requires a few simple steps. First, make sure your crawl space is properly sealed and insulated to prevent heat loss.

Next, choose the best heater for your crawl space based on the size and layout of the space. A forced-air electric heater or a hydronic heater is typically the most effective type of heater for crawl spaces.

Once you have selected the best heater for your crawl space, install it according to the manufacturer’s instructions. Set the thermostat to a temperature that will maintain a comfortable indoor temperature and prevent pipes from freezing.

How to Heat a Crawl Space?

To heat a crawl space, homeowners can choose from several heating options, including electric heaters, hydronic heaters, and radiant heaters. Electric heaters are typically the most affordable and convenient option for most homeowners.

They are easy to install and can be controlled using a thermostat. Hydronic heaters, on the other hand, use hot water to heat the space, making them a more energy-efficient option. Radiant heaters use infrared radiation to heat the space, providing gentle, even heat.

Before choosing the best heater for your crawl space, make sure to properly seal and insulate the space to prevent heat loss.

Can You Put a Heater in a Crawl Space?

Yes, it is safe to put a heater in a crawl space, as long as you follow proper safety precautions. When choosing a heater for your crawl space, make sure to select a model that is designed specifically for crawl spaces. This will ensure that the heater is safe to use in an enclosed space.

Before installing the heater, make sure the crawl space is properly ventilated to prevent up of carbon monoxide.

Also, ensure that the heater is installed according to the manufacturer’s instructions and that it is placed on a stable surface away from any flammable materials.

Buying Guide: Best Heater for a Crawl Space

Choosing the best heater for a crawl space can be a challenging task, especially if you are not familiar with the features that make a heater suitable for this purpose. To help you make an informed decision, we have put together this buying guide that highlights the critical factors to consider before buying a crawl space heater.

Heating Capacity

The heating capacity of the heater is an essential factor to consider. You need to choose a heater that has enough power to heat your crawl space effectively. The ideal heating capacity for a crawl space heater is between 1000 and 5000 watts.

Heating Method

The two most common heating methods for crawl space heaters are convection and radiant heating. Convection heaters are best suited for larger crawl spaces, while radiant heaters are ideal for smaller crawl spaces.

Safety Features

When choosing a crawl space heater, it is crucial to consider the safety features. Look for heaters that have overheat protection and tip-over protection to prevent fires and other accidents.

Energy Efficiency

Energy efficiency is another crucial factor to consider when choosing a crawl space heater. Look for heaters that are energy-efficient and have features like programmable thermostats and timers to help you save on energy costs.

Size and Design

The size and design of the heater are also essential factors to consider. Choose a heater that is compact enough to fit in your crawl space and has a design that allows for easy installation.

Noise Level

Some crawl space heaters can be noisy, which can be a significant inconvenience if you plan to use the space for storage or other activities. Look for heaters that have low noise levels to minimize disturbances.

Frequently Asked Questions

How can I safely heat my crawl space?

To heat a crawl space safely, it is recommended to use heaters that are specifically designed for crawl spaces, with safety features such as automatic shut-off mechanisms in case of overheating.

It’s important to follow the manufacturer’s instructions and not to leave heaters unattended. It’s also recommended to have a professional inspect your crawl space and heating system to ensure everything is up to code and safe to use.

What is a 120v crawl space heater?

A 120v crawl space heater is a heater that operates on 120 volts of electrical power and is designed to be used in a crawl space. These heaters are typically smaller and less powerful than higher voltage models but are more energy-efficient and cost-effective for smaller spaces.

How can I prevent freeze damage in my crawl space with a heater?

To prevent freeze damage in your crawl space, it’s important to use a heater with thermostat control to keep the temperature above freezing.

It’s also recommended to seal any gaps or cracks in the crawl space to prevent cold air from entering. Proper insulation and ventilation can help to maintain a consistent temperature and prevent freezing.

What is a thermostat-controlled crawl space heater?

A thermostat-controlled crawl space heater is a heater that is equipped with a thermostat to regulate the temperature in your crawl space.

This type of heater is ideal for maintaining a consistent temperature and preventing overheating or freezing. Some models also come with safety features such as automatic shut-off in case of overheating.

What are the best crawl space heaters for northern climates?

The best crawl space heaters for northern climates are those that are designed for use in cold temperatures and can effectively heat a larger space.

Look for models with higher wattage and safety features such as automatic shut-off mechanisms. It’s also important to consider energy efficiency and cost-effectiveness when choosing a heater.

Can I find crawl space heaters at Lowe’s?

Yes, Lowe’s carries a variety of crawl space heaters from different brands and at different price points. It’s important to research and compares models before making a purchase to ensure you find the best heater for your needs and budget.

How can I heat my crawl space with ducts?

Heating a crawl space with ducts involves installing ductwork to carry warm air from your heating system into the crawl space. This can be an effective way to heat a larger space, but it’s important to have a professional inspect your crawl space and heating system to ensure proper installation and safety.

It’s also important to properly insulate and ventilate the crawl space to maintain a consistent temperature.

What are some crawl space heating tips?

Some crawl space heating tips include using heaters that are designed for crawl spaces, sealing any gaps or cracks in the crawl space to prevent cold air from entering, and maintaining proper insulation and ventilation.

It’s also important to have your heating system and crawl space inspected regularly by a professional to ensure safety and efficiency.

The final word

Choosing the best heater for your crawl space is essential for maintaining a comfortable and safe living environment in your home. Whether you’re dealing with freezing temperatures or high humidity levels, the right heater can make all the difference. With a wide variety of options available on the market, it’s important to do your research and choose the heater that best fits your needs and budget.