How to reset a Dometic RV air conditioner

How to reset a Dometic RV air conditioner

RV air conditioning is essential to ensure comfort while traveling, especially in warm weather. Dometic RV air conditioners are a popular choice among RV owners due to their reliability and efficiency. However, like any appliance, they may experience problems that require a reset to restore optimal performance. In this article, we’ll explore how to reset a Dometic RV air conditioner effectively.

Introduction to Dometic RV Air Conditioners

Dometic RV air conditioners are renowned for efficiently cooling RV interiors. They are designed to withstand the rigors of travel and provide consistent cooling even in extreme temperatures. These units are compact, lightweight, and specially engineered for RVs, making them the preferred choice for many travelers.

Common Problems with Dometic RV Air Conditioners

Before delving into the reset process, it’s important to understand common problems that may require resetting a Dometic RV air conditioner.

– Lack of cooling

One of the most common problems RV owners have is insufficient cooling from their air conditioners. This can be caused by a number of factors, including refrigerant leaks, clogged filters, and compressor problems.

– Noise operation

Excessive noise during operation can be disruptive and indicate underlying problems such as loose components, worn fan blades, or debris accumulation within the unit.

– Poor airflow

Inadequate airflow can result in uneven cooling or ineffective temperature control inside the RV. Blocked vents, dirty filters, or faulty fan motors can cause this.

The Importance of Resetting the Dometic RV Air Conditioner

Resetting a Dometic RV air conditioner is often the first step in solving common problems. This allows the unit to clear any temporary errors or faults and recalibrate and resume normal operation.

Steps to Reset a Dometic RV Air Conditioner

– Check the power source

Before starting the reset process, make sure the RV is connected to a reliable power source, such as shore power or a generator. Insufficient power supply can interrupt the reset procedure.

– Turn off the unit

Using the control panel or remote, turn off the Dometic RV air conditioner and allow it to rest for a few minutes. This ensures that any residual power is dissipated before proceeding with the reset.

– Reset the circuit breaker

Locate the circuit breaker panel on your RV and locate the breaker associated with the air conditioner. Toggle the breaker switch to the “off” position, then wait about five minutes before resetting it to the “on” position.

– Wait and restart

After power is restored, allow sufficient time for the air conditioner to reset and recalibrate. Once the breaker has reset, please wait for the unit to start before turning it on again using the control panel or remote.

Troubleshooting tips for persistent problems

If the reset method fails to fix the problem or the problems persist, consider the following troubleshooting tips:

 Checking for refrigerant leaks

Inspect refrigerant lines and connections for any signs of leaks or damage. Low refrigerant levels can impair the air conditioner’s cooling efficiency.

Cleaning the air filter

Clean or replace air filters regularly to prevent dust and debris from accumulating, which can block airflow and reduce cooling performance.

Inspect the thermostat

Make sure the thermostat is working properly and is set to the desired temperature. A faulty thermostat can cause incorrect temperature readings and irregular cooling cycles.

Regular maintenance tips to avoid resetting

To reduce the need to reset your Dometic RV air conditioner, follow these maintenance tips:

Clean the unit regularly.

Remove any dirt, debris, or vegetation from the exterior of the air conditioner to prevent airflow restriction and possible component damage.

– Checking for debris and obstructions

Periodically inspect the air intake and exhaust vents for obstructions such as leaves, insects, or bird nests. Remove any obstructions to ensure optimal airflow.

– Professional inspection

Schedule regular maintenance inspections with a certified RV technician to identify and address potential problems before they escalate. Professional servicing can extend the life of your air conditioner and improve overall performance.


Resetting a Dometic RV air conditioner is straightforward and can help resolve common problems such as lack of cooling, noisy operation, or poor airflow. By following the steps outlined in this article and implementing regular maintenance practices, RV owners can ensure optimal performance and comfort during their travels. Find your best RV AC service provider.


Q: How often should I reset my Dometic RV air conditioner?

Answer: Resetting your Dometic RV air conditioner should only be necessary if you experience specific problems such as lack of cooling or noisy operation. Otherwise, regular maintenance and cleaning can help prevent the need for frequent resets.

Q: Can I reset my Dometic RV air conditioner myself, or do I need professional help?

Answer: In most cases, you can reset your Dometic RV air conditioner yourself by following the steps outlined in this article. However, if you need clarification or continue to experience problems, it is recommended that you seek the help of a certified RV technician.

Q: Will resetting my Dometic RV air conditioner void the warranty?

Answer: No, resetting your Dometic RV air conditioner will not void the warranty as long as you follow the manufacturer’s guidelines and instructions in the user manual.

Q: What should I do if resetting my Dometic RV air conditioner does not solve the problem?

A: If resetting the air conditioner fails to resolve the problem or the problems persist, consider troubleshooting other possible causes, such as refrigerant leaks, dirty filters, or faulty components.

Q: How can I find a certified RV technician for professional maintenance?

Answer: You can search online for RV service centers or dealerships in your area that offer maintenance and repair services for Dometic RV air conditioners. Make sure the technician is certified and experienced in working with RV HVAC systems.

How many watts does an RV air conditioner use?

How many watts does an RV air conditioner use?

RV air conditioners are essential for maintaining comfort while parked on the road or at a campsite. However, understanding their energy consumption is crucial for efficient energy management, especially when relying on battery or generator power. In this comprehensive guide, we’ll discuss the intricacies of RV air conditioner power usage and provide valuable insight into optimizing energy efficiency.

Introduction to RV Air Conditioning

RV air conditioners are specially designed to cool the interior of recreational vehicles, ensuring a comfortable living environment regardless of the temperature outside. These units come in various sizes and configurations to accommodate various RV types, from compact trailers to spacious motorhomes.

Understanding electricity consumption

Types of RV Air Conditioners

There are primarily two types of RV air conditioners: ducted and non-ducted. Ducted systems distribute air through a network of vents, providing uniform cooling throughout the RV. Non-ducted units, on the other hand, emit air directly into the seating area, making them more suitable for smaller vehicles or retrofitting.

Factors Affecting Energy Consumption

Several factors affect the cost of powering an RV air conditioner, including:

Unit Size: Larger air conditioners generally require more power to operate efficiently.

Insulation and ventilation: Well-insulated RVs with adequate ventilation require less energy to maintain desired temperatures.

Ambient temperature: Excessive heat or cold outside temperatures can affect the workload of the air conditioner, affecting power consumption.

Usage patterns: Frequency and duration of usage play an important role in overall energy consumption.

Calculate energy consumption

Watts vs. Btu

RV air conditioners’ power consumption is measured in watts while cooling capacity is usually rated in British Thermal Units (BTUs). A higher wattage indicates greater energy consumption, while a higher BTU rating indicates increased cooling power.

Power requirements for different RV sizes

The power requirements of an RV air conditioner vary depending on the vehicle’s size and layout. Small trailers or campers may require air conditioners with lower wattage ratings, while larger motorhomes require more powerful units to cool the entire living area effectively.

Competency considerations

Energy Star Rating

When choosing an RV air conditioner, look for models with an ENERGY STAR rating, which indicates higher energy efficiency. These units are designed to consume less energy while providing optimal cooling performance, resulting in lower utility bills and reduced environmental impact.

Inverter vs Non-Inverter RV Air Conditioners

Inverter technology allows RV air conditioners to adjust compressor speed based on cooling demand, resulting in significant energy savings compared to traditional non-inverter models. Although the upfront cost of inverter units can be high, their long-term benefits in terms of efficiency and performance make them a worthwhile investment for the environmentally-conscious RV enthusiast.

Tips to reduce electricity consumption

Insulation and ventilation

Proper insulation and ventilation are important to minimize heat transfer and maximize airflow within the RV. Insulating walls, windows, and doors can help maintain stable indoor temperatures, reducing the workload on air conditioners. Additionally, installing roof vents or fans improves air circulation, increasing overall comfort and energy efficiency.

Solar panels and generators

Harnessing solar energy with rooftop solar panels can significantly reduce reliance on grid electricity or generator use. Solar energy can be stored in batteries for use during times of peak demand, providing a sustainable and cost-effective cooling solution for off-grid RV living. Alternatively, portable generators offer reliable backup power to run air conditioners when solar power is insufficient or unavailable.

General Frequently Asked Questions

How many watts does a typical RV air conditioner use?

A typical RV air conditioner uses between 1,200 and 3,500 watts, depending on factors such as size, performance, and operating conditions.

Can you run an RV air conditioner on a generator?

Yes, most RV air conditioners can be powered by a generator, provided it has enough wattage and voltage output to meet the unit’s requirements.

Does Inverter RV Air Conditioner Save Energy?

Yes, inverter RV air conditioners are more energy-efficient than traditional non-inverter models, thanks to the ability to adjust compressor speed based on cooling demand.

How do I calculate the cost of powering my RV air conditioner?

To calculate your RV air conditioner’s power consumption, multiply its wattage rating by the number of hours it runs each day. This will give you daily energy consumption in watt-hours (Wh), which can be used to estimate monthly or annual usage.

What alternative cooling options are there for RVs?

Yes, alternative cooling options for RVs include portable evaporative coolers, window air conditioners, and vent-free cooling fans, which can supplement or replace traditional RV air conditioners, depending on personal preference and needs.


Understanding RV air conditioners’ energy consumption is essential for efficient energy management and a comfortable travel experience. By choosing energy-efficient units, optimizing insulation and ventilation, and using renewable energy sources, RV enthusiasts can minimize environmental impact while enjoying reliable cooling solutions on the road. Get your RV AC service.

How to Clean RV Air Conditioner Filters

How to Clean RV Air Conditioner Filters

RV air conditioning is essential to keeping your recreational vehicle comfortable on hot days. However, to ensure optimal performance and air quality inside your RV, regular air conditioner filter cleaning is crucial. In this guide, we’ll walk you through cleaning your RV air conditioner filter step by step.


Maintaining a clean air conditioner filter is critical to the efficient operation of your RV’s cooling system. Over time, dust, dirt, and debris accumulate in the filter, reducing airflow and efficiency. Regular filter cleaning not only improves cooling performance but also helps prevent costly repairs and ensures improved air quality inside your RV.

The importance of clean RV air conditioner filters

A clean air conditioner filter promotes better airflow, allowing the unit to cool the RV more efficiently. This prevents dust and debris from becoming airborne, which can affect respiratory health, especially for people with allergies or asthma. Additionally, a clean filter reduces stress on the air conditioner’s motor, prolonging its life and reducing energy consumption.

Signs that your RV air conditioner filter needs cleaning

  • Reduced airflow from vents
  • Increase in cooling time
  • Musty or unpleasant smell during air conditioning
  • Visible dust or debris on the filter
  • If you notice any of these symptoms, it’s time to clean or replace your RV air conditioner filter.

Essential tools for cleaning RV air conditioner filters

  • Before you begin, gather the following tools:
  • Screwdriver (if needed to access the filter)
  • A vacuum cleaner with a brush attachment
  • Mild detergent or air conditioner coil cleaner
  • Soft-bristled brush
  • Clean, dry cloth

Step-by-step guide to cleaning RV air conditioner filters

Follow these steps to clean your RV air conditioner filter:

Step 1: Turn off the RV’s power supply

Before attempting any maintenance on your RV’s air conditioner, make sure the power supply is turned off to avoid accidents.

Step 2: Locate the air conditioner filter

The filter is usually located behind the air intake grill on the ceiling or wall of your RV.

Step 3: Remove the filter

Carefully remove the filter from its housing. Some filters can slide on easily, while others may need to be screwed on.

Step 4: Inspect the filter

Check the filter for dirt, dust, and debris. If it is very dirty or damaged, consider replacing it instead of cleaning it.

Step 5: Clean the filter

Use a vacuum cleaner with a brush attachment to remove loose dirt and debris from the filter. For stubborn dirt or grease, soak the filter in a solution of mild detergent or air conditioner coil cleaner and water, then rinse thoroughly.

Step 6: Dry the filter

Allow the filter to dry completely before reinstalling. Avoid using a heat source to speed up the drying process, as excess heat can damage the filter material.

Step 7: Reinstall the filter

Once the filter is dry, carefully return it to its housing and store it in a safe place. Make sure it fits snugly to prevent air leakage.

Tips for maintaining RV air conditioner filters

Clean the filter at least once a month during peak usage seasons.

Inspect the filter regularly for signs of wear or damage and replace if necessary.

Keep the area around the air intake grill clean to prevent debris from entering the filter.

Common mistakes to avoid when cleaning RV air conditioner filters

Use harsh chemicals or abrasive brushes, which can damage the filter material.

Reinstalling a damp filter can promote mold and mildew growth.

Neglecting to clean or replace filters regularly can result in reduced cooling performance and possible damage to the air conditioning unit.

Regular cleaning of RV air conditioner filters is a must.

  • Improved cooling efficiency
  • Better air quality inside the RV
  • Long life of air conditioning unit
  • Reduced energy consumption and lower utility bills


Cleaning your RV air conditioner filter is a simple but necessary maintenance task that can significantly impact the performance and longevity of your cooling system. By following the steps outlined in this guide and maintaining a regular cleaning schedule, you can ensure that your RV stays cool and comfortable throughout your trip. If you need RV AC service, go here: RV air conditioning.