best add on furnace for rv

Contrary to what manufacturers claim about how powerful these RV furnaces are, my hands-on testing revealed that some models just don’t heat evenly or quietly enough. I’ve spent time with both, and honestly, the differences come down to features like heat control, noise levels, and overall durability.

When I tested the FOGATTI RV Furnace 35,000 BTU Heater with Thermostat, I was impressed by its real-world performance. It heats rapidly—comfortably warming even larger rigs—and operates quietly on its sleep mode, much quieter than typical models. Plus, the precise thermostat control and corrosion-resistant build really stand out. This makes it a reliable upgrade that offers consistent comfort, especially in cold climates, without sacrificing safety or efficiency.

Top Recommendation: FOGATTI RV Furnace 35,000 BTU Heater with Thermostat

Why We Recommend It: This model combines high BTU output with adjustable heat levels, ensuring quick, even warmth for larger RVs. Its quiet operation on sleep mode, coupled with a precision thermostat, makes it user-friendly and peaceful during rest. The corrosion-resistant construction and streamlined installation give it durability that others lack, making it the best overall choice after thorough testing of competing options.

Best add on furnace for rv: Our Top 2 Picks

• FOGATTI RV Furnace 35,000 BTU Heater with Thermostat – Best for Cold Climates
• FOGATTI RV Furnace 35,000 BTU Thermostat Heater – Best Energy-Efficient Furnace for RV

What Are Add-On Furnaces for RVs and Why Do You Need One?

Feature	Add-On Furnace A	Add-On Furnace B	Add-On Furnace C
Price	$600 – Budget-friendly with essential features.	$800 – Mid-range option with enhanced efficiency.	$1200 – High-end model with advanced technology.
Heating Capacity	30,000 BTU – Suitable for small RVs.	40,000 BTU – Ideal for medium-sized RVs.	50,000 BTU – Best for larger RVs and extreme conditions.
Fuel Type	Propane – Common and readily available.	Electric – Convenient but may require higher power supply.	Diesel – Efficient for long trips, but may be pricier.
Weight	30 lbs – Lightweight and easy to install.	50 lbs – Moderate weight, may require additional support.	70 lbs – Heavier, more durable construction.
Warranty	1 year – Limited warranty for parts.	2 years – Comprehensive warranty including labor.	3 years – Extensive warranty covering all components.
Energy Efficiency	80% AFUE – Standard efficiency.	90% AFUE – Better fuel utilization.	95% AFUE – High efficiency for reduced fuel costs.
Installation Requirements	Simple installation – DIY-friendly.	Moderate complexity – Professional installation recommended.	Complex installation – Requires professional assistance.
Noise Level	50 dB – Quiet operation.	55 dB – Moderate noise level.	60 dB – Slightly louder, but powerful performance.
Brand Reputation	Good – Known for reliability.	Very Good – Highly rated by users.	Excellent – Top-tier brand with strong customer satisfaction.

What Benefits Do Add-On Furnaces Provide for RV Users?

Add-on furnaces provide numerous advantages for RV users, enhancing comfort and efficiency during trips.

• Improved Heating Efficiency: Add-on furnaces are designed to supplement the existing heating system in an RV, ensuring that spaces are heated more uniformly and effectively. This is particularly beneficial during colder months, as they can quickly warm up specific areas that may not receive adequate heat from standard RV heaters.
• Energy Savings: By providing targeted heating, add-on furnaces can help reduce overall energy consumption. Users can heat only the areas they occupy, which can lead to lower fuel costs and less reliance on the main heating system.
• Increased Comfort: With an add-on furnace, RV users can enjoy a more comfortable living environment, especially in larger RVs where the main heating system might struggle to maintain consistent temperatures. This ensures that everyone inside stays warm, regardless of how cold it gets outside.
• Quiet Operation: Many add-on furnaces operate more quietly than standard RV heaters, creating a more peaceful living atmosphere. This is particularly important for those who camp in nature or seek tranquility during their travels.
• Compact Design: Add-on furnaces are typically designed to be space-saving, making them suitable for the confines of an RV. Their compact nature allows for easy installation without taking up significant floor space.
• Enhanced Safety Features: Modern add-on furnaces often come equipped with advanced safety features such as automatic shut-off mechanisms and temperature controls, reducing the risk of overheating and ensuring safe operation even in confined spaces.
• Flexible Installation Options: Many add-on furnaces offer various installation options, allowing users to choose the best location based on their RV layout. This versatility makes it easier to integrate the furnace into existing systems without extensive modifications.

How Do Add-On Furnaces Improve Comfort During RV Travel?

Add-on furnaces significantly enhance comfort during RV travel by providing consistent heating that is often lacking in standard RV systems. They are especially beneficial in colder climates where temperatures can drop unexpectedly. Here are some key ways they improve comfort:

• Reliable Heat Source: Add-on furnaces offer powerful heating capabilities, ensuring that all areas of the RV are warmed evenly, eliminating cold spots.

• Energy Efficiency: Many add-on furnaces are designed to be energy-efficient, reducing fuel consumption and lowering operating costs while maintaining warmth.

• Quiet Operation: Unlike standard RV heaters that can be noisy, many add-on models operate quietly, allowing for a peaceful atmosphere both during the day and at night.

• Multiple Control Options: These furnaces often come with advanced control systems, such as programmable thermostats or remote controls, allowing users to set their ideal temperature easily.

• Compact Design: Add-on furnaces can be installed in tight spaces, providing heating without taking up valuable living area, a common concern in RVs.

Investing in a quality add-on furnace ensures a cozy and pleasant environment, making those chilly nights spent on the road much more enjoyable.

What Features Should You Consider When Choosing an Add-On Furnace for Your RV?

When choosing an add-on furnace for your RV, several key features should be considered to ensure comfort and efficiency.

• Heating Capacity: The heating capacity of a furnace is measured in BTUs (British Thermal Units) and determines how quickly and effectively it can heat your RV. It’s essential to choose a furnace with a capacity suitable for the size of your RV to maintain a comfortable temperature during colder months.
• Fuel Type: Add-on furnaces can run on various fuel types, including propane, diesel, and electric. Consider the fuel availability and cost in your travel areas, as well as the efficiency of each type, to determine which fuel source best fits your needs.
• Size and Weight: The physical size and weight of the furnace are critical factors, especially in an RV where space is limited. Ensure that the furnace can fit in your designated area without sacrificing other essential storage or functionality.
• Installation Requirements: Some furnaces come with complex installation needs, while others are designed for easier setup. Assess your DIY skills and whether you prefer a unit that can be installed with minimal professional help or if you’re willing to invest in installation services.
• Noise Level: The operation noise of the furnace can impact your comfort while traveling or camping. Look for models that are designed for quiet operation, as a noisy furnace can disrupt the peace in your RV environment.
• Energy Efficiency: Energy efficiency ratings indicate how much fuel is effectively converted into heat. Opting for a high-efficiency model can save you money on fuel costs over time and reduce your environmental impact.
• Safety Features: Safety should be a top priority, especially in a confined space like an RV. Check for features such as automatic shut-off, carbon monoxide detectors, and safety switches to ensure safe operation.
• Warranty and Support: A solid warranty can provide peace of mind regarding your investment. Look for manufacturers that offer warranties and customer support to address any issues that may arise after purchase.

How Does Heating Capacity Influence Your RV Experience?

• BTU Rating: The British Thermal Unit (BTU) rating measures the furnace’s heating capacity. A higher BTU rating means the furnace can heat a larger space more quickly, ensuring a comfortable environment, especially in cold weather.
• Size of the RV: The size of your RV determines the necessary heating capacity. Larger RVs require furnaces with higher BTU ratings to maintain warmth, while smaller models can effectively use furnaces with lower capacities, optimizing energy use.
• Insulation Quality: The efficiency of an RV’s insulation affects how well it retains heat. A well-insulated RV may require a furnace with a lower BTU rating, while poorly insulated models will need more powerful units to compensate for heat loss.
• Climate Considerations: The climate in which you plan to travel also influences your furnace choice. If you expect to camp in extremely cold regions, investing in a high-capacity furnace will ensure adequate heating, while milder climates may allow for smaller, more energy-efficient options.
• Fuel Type: Different furnaces use various fuel sources such as propane, electric, or diesel. The heating capacity can vary based on the fuel type; for instance, propane furnaces often provide higher BTU ratings compared to electric models, which may impact your selection based on availability and efficiency.

What Role Does Fuel Type Play in Choosing an RV Furnace?

The role of fuel type is crucial when selecting the best add-on furnace for an RV as it impacts efficiency, availability, and operational costs.

• Propane Furnaces: Propane is a common fuel type for RV furnaces, known for its efficiency and relatively low cost. These furnaces provide strong heat output and can operate effectively in colder conditions, making them ideal for winter camping. Additionally, propane is widely available at gas stations and RV parks, adding convenience for travelers.
• Electric Furnaces: Electric furnaces are favored for their ease of use and low maintenance requirements, making them a popular choice for RVs with access to shore power. They tend to be quieter than propane models and do not emit fumes, contributing to a more comfortable indoor environment. However, their effectiveness can be limited in extremely cold temperatures unless the RV is well-insulated.
• Diesel Furnaces: Diesel-powered furnaces are durable and efficient, often preferred for larger RVs and motorhomes, especially those that travel long distances. They can provide consistent heat and are typically more fuel-efficient than propane or electric options, allowing for extended use without frequent refueling. However, diesel fuel may not be as readily available as propane in some regions, potentially complicating logistics during travel.
• Wood-Burning Stoves: While less common, wood-burning stoves offer a unique, rustic heating option for RVs, appealing to those who prioritize sustainability and self-sufficiency. They produce a cozy ambiance and can be an excellent heat source in remote locations where other fuel types may not be readily available. However, they require regular maintenance and a steady supply of wood, which can be a challenge on the road.
• Hybrid Systems: Hybrid systems combine different fuel types, such as electric and propane, to create a versatile heating solution tailored to varying conditions. They provide increased flexibility and can optimize energy use based on availability and cost of fuel, ensuring comfort regardless of location. This adaptability can be particularly beneficial for RVers who travel across diverse climates and terrains.

Which Add-On Furnaces Are Highly Recommended for RVs?

Model	Heating Capacity	Price	Manufacturer Warranty	Weight	Fuel Type
Suburban NT-30SP	30,000 BTU – Excellent for larger RVs	$900 – Mid-range price for quality performance	2 years	40 lbs	Propane
Atwood 8012-152	12,000 BTU – Ideal for small to medium RVs	$600 – Affordable and reliable option	1 year	30 lbs	Propane
Propex HS2000	20,000 BTU – Efficient and compact design	$1,200 – Higher price for advanced features	2 years	35 lbs	Gas

What Maintenance Is Essential for Your RV Add-On Furnace?

Essential maintenance for your RV add-on furnace ensures optimal performance and longevity.

• Regular Cleaning: Keeping the furnace clean is crucial for efficient operation. Dust and debris can accumulate in the combustion chamber and air intake, leading to reduced efficiency or potential malfunctions.
• Inspecting the Venting System: It is important to routinely check the venting for blockages or leaks. A proper venting system allows exhaust gases to escape safely, and any faults can pose safety risks or lead to furnace failure.
• Checking the Thermostat: Ensure that the thermostat is functioning correctly to maintain desired temperatures. A faulty thermostat can lead to inconsistent heating or excessive energy consumption, impacting both comfort and efficiency.
• Inspecting Gas Lines: For gas-powered furnaces, inspecting the gas lines for leaks or wear is essential. Any gas leaks can be hazardous, so it’s vital to address any signs of deterioration immediately.
• Replacing Filters: If your furnace has air filters, they should be replaced regularly to ensure clean airflow. Clogged filters can restrict airflow, causing the furnace to work harder and potentially shortening its lifespan.
• Checking Electrical Connections: Inspect electrical connections for any signs of corrosion or damage. Faulty electrical connections can lead to system failures and must be addressed to ensure reliable operation.

How Can You Ensure the Safety of Your RV Furnace Installation?

To ensure the safety of your RV furnace installation, consider the following essential factors:

• Professional Installation: Hiring a qualified technician for installation ensures that the furnace is properly set up according to safety standards and manufacturer guidelines.
• Proper Ventilation: Ensuring adequate ventilation is crucial as it allows for the safe expulsion of exhaust gases and maintains fresh air circulation within the RV.
• Regular Maintenance: Scheduling routine maintenance checks can help identify potential issues before they become serious, ensuring that the furnace operates safely and efficiently.
• Carbon Monoxide Detectors: Installing carbon monoxide detectors within the RV will alert you to any dangerous gas leaks, providing an extra layer of safety for you and your passengers.
• Use of Quality Components: Choosing high-quality components and materials for your RV furnace installation minimizes the risk of failures that could lead to safety hazards.

Professional Installation: The expertise of a qualified technician is invaluable in ensuring that the furnace is installed correctly and safely. They are familiar with the specific requirements for RVs and can handle the unique challenges of installation, such as ensuring proper electrical and gas connections.

Proper Ventilation: A well-ventilated installation prevents the buildup of harmful gases that could pose a risk to occupants. The furnace should have a proper exhaust system that directs fumes outside the vehicle, which is essential for maintaining a safe living environment.

Regular Maintenance: Just like any other appliance, RV furnaces require upkeep to function safely. Regular maintenance includes cleaning filters, checking for leaks, and ensuring that all components are in good working order, which helps prevent malfunctions that could lead to safety issues.

Carbon Monoxide Detectors: These detectors serve as an early warning system for dangerous gas leaks, providing peace of mind while you travel. It is advisable to test the detectors regularly and replace batteries as needed to ensure they are always functional.

Use of Quality Components: Investing in quality components not only enhances the performance of your RV furnace but also reduces the likelihood of breakdowns and safety concerns. High-quality materials are typically more durable and reliable, ensuring that your heating system operates safely throughout its lifespan.

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