Best Generator for 15,000 Btu Air Conditioner

5 Best Generator for 15,000 Btu Air Conditioner

If you own a 15000 BTU air conditioner, you need to have the best generator for a 15,000 BTU air conditioner to power it all day long. As the temperature continues to soar, having an air conditioner is a must for your RV vehicle. And to keep it running, you need a reliable power source.

Best Generator for 15,000 Btu Air Conditioner

As compared to other electrical appliances, the air conditioner requires a lot of power. Before buying a generator, you need to calculate the total wattage first. Take note also that air conditioner varies depending on their BTU rating. Most of the air conditioners have 2-watt ratings. If you are buying your 15000 BTU air conditioner, how many watts would you need to power it?

Below are five of the best generators in the market today you can consider buying. These brands were reviewed based on their performance, features, and price.

How Many Amps Does an RV AC Draw?

You must know the amps drawn by your appliances in an RV with 110 Volt AC if the generator is running, as there is a higher risk of circuit breaker tripping.

Usually, the RV has 30 AMP or 50 AMP capacity, and exceeding these numbers is dangerous. It depends on how big your RV is. You can have a 30 amp or 50 amp, whichever will suit you best. A 30 amp is sufficient for a smaller RV, while a bigger 35 feet RV with several appliances will require a 50 amp capacity.

On the other hand, an average size air conditioner will require around 12-16 amps. The value will depend on the generator’s BTU and the mode of operation. A 15,000 BTU RV air conditioner can draw approximately 12.5 to 13 amps, while a 13,500 BTU AC can draw an estimate of 12 amps. The amps will also depend on the mode of cooling and heating. The heating mode will require additional amps, such as a 15,000 BTU air conditioner set in cooling may draw a 13 amp and 15 amp when at heating mode.

How Big of a Generator do I need to run my air conditioner?

You can determine how big the generator you will get by considering the watt rating in your RV, and it should be higher than the start-up wattage. The running wattage should be lower than anything below 1800, or if you use a smaller BTU, it will be below 700. Most of the time, RV owners use AC with running wattage of between 400-700 watts.

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  • Watts: 7500
  • Volts: 240
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  • Watts: 3300
  • Volts: 120
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  • Watts: 3600
  • Volts: 120
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5 Best Generator for 15,000 BTU Air Conditioner in 2022


1. Champion Power Equipment

Champion Power Equipment is known for its yellow and black design. This portable energy brand releases hybrid generators known as dual-fuel engines. It runs both on liquid propane and gasoline or, in some situations, on natural gas and diesel. It is pretty flexible when it comes to running costs and usually means longer run-time before the engine requires refueling.

Provides Sufficient Power

This rugged-looking design generator has over 4000 watts of surge power and 3250 and 3800 watts of running power on propane and gasoline, respectively. It is very dependable and is a good choice if you need an emergency source of electricity to provide power to the basic household essentials or when connecting power tools in the worksite. Champion Power Dual-Fuel is reliable in providing energy for your RV.

Longer Running Time

The Champion Power running time is quite good with a full tank of gasoline. It can last up to 9 hours and 10.5 hours for a 20 pounds propane tank on a 50% load. Many love this generator because of the significant savings you get, which means you will have lower running costs.

Produces Less Noise

The less noise a generator makes, the more popular it is. Some campsites would not allow generators that are too loud. The Champion Power Equipment is one of the generators that produce less noise. Its noise level from 23-ft away is around 68dBA. It may not be as quiet as the other generators made for silent operation, but it is still one of the best machines in this class, considering its size.

Pros

  • Operates quietly
  • Easy to use
  • Dual fuel – propane and gas generator
  • Safe to use with portable electronics
  • Long running-time

Cons

  • No remote start

2. Firman Watt Electric Start Gas Portable Generator

Firman W03082 gas portable generator is designed to provide excellent power, but you can still save a lot. The brand is known for its premium quality products that are reliable and dependable.

Running Time and Power

The generator is powered by a 171 cc Firman Max-Pro Series engine, and it runs on gasoline. It provides 3000W running wattage and 3300W peak wattage. If linked to another unit, it is parallel capable. One of its notable features is the conventional pull-start mechanism and an easy-to-use electric starter. A 1.8-gallon fuel can run for 9 hours.

Multiple Outlets Available

Firman W03082 control panel has the upcoming 3 AC outlets. It also features two DC outlets, a 12V 8A receptacle which you can easily charge your batteries. The 5V USB port enables you to charge electronics like tablets and mobile phones. With its TT-30R receptacle, this generator is RV-ready.

Well-Designed and Portable

Because of its closed inverter generator design, people think it is more aesthetical than a typical open frame generator. This equipment sports the newest design and is best for easy and recreational purposes. It is pretty portable as it only weighs 90 pounds. You can bring it anywhere you need power. Its folding handle makes it easy to shift from one place to another.

EPA Approved

The Firman generator is CARB-compliant and EPA-approved. This means that selling and buying this equipment is allowed in all 50 states in the US, including California. Also, it has a spark arrestor, so it is recommended for forest area use.

Pros

  • USDA approved spark arrester
  • Powerful engine
  • It has a remote start key fob
  • With pull-start mechanism
  • Epa-approved and complies with CARB

Cons

  • With only two outlets
  • Low running time

3. Westinghouse WGen3600DF Dual Fuel

Westinghouse Outdoor Power Equipment WGen3600DF Dual Fuel (Gas and Propane) Electric Start Portable Generator 3600 Rated 4650 Peak Watts, RV Ready, CARB Compliant

The Westinghouse is a popular name for appliances for many years. So, you can be assured Westinghouse WGen3600DF is a generator you can depend on. This portable open-frame dual fuel generator has a rated wattage of 3600 Watts and 4650 Watts starting wattage.

Powerful Engine

Westinghouse applies dual-fuel technology. It provides 120V output. When propane-powered, it gives 4180 starting watts and 3240 rated watts. This generator features a conventional pull-start mechanism and an easy-to-use electric starter. The noise level is 69 dBA which means it is less noisy compared to others.

Longer Running Time

This powerful equipment can be remotely started, which makes it very convenient for you. With four gallons of fuel, it can run up to 18 hours if you use gasoline. While if you use propane, it can operate for up to 20 hours. Westinghouse WGen3600DF is not recommended for powering sensitive electronic devices.

Portable

Because of its open-frame design, the Westinghouse WGen3600DF is easy to handle. It has the following dimensions 24 x 23 x 21.5 inches, which provides support, and you have the option to raise it from the ground. Its design can survive harsh weather and demand outdoor use. This device is considered portable not because it is lightweight but because it can be moved easily. It weighs 109 pounds which is not easy to lift and transport manually. But it can be moved conveniently using its wheel kit and folding handle. 

Built-In Fuel Gauge

The equipment has a built-in fuel gauge To enable you easy and convenient access to the fuel. This generator features an automatic low oil shut-off and has a circuit breaker to protect you in case of overload.

Pros

  • It has a remote start
  • Dual-fuel for convenient use
  • Includes several accessories
  • RV-ready

Cons

  • It has no data center

4. Briggs & Stratton S3500 3500 Watt Portable Generator

Briggs & Stratton S3500 3500 Watt Portable Generator

Briggs & Straton has taken portable power generation to a higher level. It is safer for sensitive electronics and even on your computer-controlled appliances for smooth and steady power. This inverter generator has an adjustable engine speed to provide the power you need and save fuel.

Smart Design

This smart generator includes a gasoline-fueled 171 cc Briggs & Stratton OHV 4- stroke engine. It has 120V output with a running wattage of 2600 Watts and 3000 watts peak wattage. Briggs & Straton is parallel capable, and it can be linked to a compatible unit to make it even more powerful. It is less noisy than rainfall, with a noise level of 58 dBA.

Longer Running Time

The generator also features a simple conventional pull-start mechanism. A full tank, this power smart generator can run up to ten hours with less fuel consumption. You can safely plug even your sensitive electronics.

Easy to Move Around

When it comes to portability, Briggs & Stratton S3500 is one of the best. The inverter generator has the following dimension 25.53 x 21.12 x 21.43 inches. As compared to an ordinary generator, it has an advantage in aesthetics with an open-frame design.  The design makes it one of the most modern designs for a generator. It is recommended for recreational generator power. You can use it anywhere you want it to be. Also, it is easy to move once it is on the ground, thanks to its two wheels and telescopic handle.

Pros

  • Fuel efficient
  • Lightweight for its group
  • Includes several accessories on the package
  • RV-ready
  • Produces less noise for its power

Cons

  • Not EPA approved or CARB compliance
  • No electric start

5. Champion 4250 Watt Dual Fuel

Champion Power Equipment 200914 4250 Watt Open Frame Inverter Generator, Dual Fuel Technology

Champion is a brand known for quality generators and earned a reputation for creating the best power equipment. The company has expanded to North America, including its facilities in Tennessee, Canada, and Wisconsin. This inverter generator is a combination of convenience and versatility whether you need power for your project, home, or RV. The package includes Cold Start Technolgy and an electric start to ensure a quick start during the colder season.

Low Noise Features

The Champion 4250 watt portable generator produces less noise and is a good addition to your RV on your next adventure. It has a typical 30A RV outlet with enough power to start and run a 15000 BTU RV air conditioner. And it can power up other appliances you might need on an emergency power outage. It provides clean power, which makes it perfect for your mobiles, computers, and laptops.

Dual-Fuel Generator

One of the best dual fuel generators and may power small appliances like TV, lights, phone, and air conditioner. It runs both on gas and propane and comes with multiple RV-ready outlets. It has one 120V 30A plug with two 120 volts 20-ampere plugs for smaller appliances. The parallel kit provides an easy clip-on connection that enables you to increase output if you connect two 2800 watt or higher inverters.             

Running Time and Portability

Its 192cc engine produces starting watt at 3400 and running watts at 3100 with gasoline. While with propane, its starting watt is 3060 and running watt at 2790. It can run for over 7.5 hours with a 25% load. The cast iron sleeves make it easy to maintain and extend life. The Champion 4250 has a lightweight design and a carrying handle to move it with ease whenever you need it. Also, it has a quick touch panel so that you can access all the controls with ease.

Pros

  • Dual panel
  • It has a push-button electric start
  • Produces less noise
  • Includes propane hose
  • Power-saving

Cons

  • It lacks a fuel tank level indicator
  • Small gas tank

Features to Consider Before Buying Best Generator for 15000 BTU

If you don’t have any idea what to look for when buying a generator, the chance of getting the wrong product is high. When choosing the best generator for 15000 BTU, you need to focus on the features mentioned below.

Portability

Portability is an essential factor you need to consider when choosing a generator, mainly if you know that you will be moving a lot. These generators usually have wheel kits and ergonomic handles. The wheels will help make the generators more portable regardless of their weight. The ergonomic handles provide the same function. You easily drag the generator anywhere by pulling them using the handle and the wheels. Weight also plays a vital role in portability if you can get a reliable generator that weighs less, has wheels and handles the better.

Sound/Noise

If you are staying in an area where a noisy generator is not allowed, you better find one that produces less noise. In most cases, generators are positioned far from where the family is staying, so it will not bother you unless it is too loud. Consider your neighbor when buying a generator, as it is maybe too loud for them. Do not forget to think about the noise the generator produce when purchasing. 

Required Capacity

If you are buying a generator for your 15,000 BTU air conditioner, make sure it provides the needed capacity. Many of us want to use the oven with the AC and the refrigerator while others can live without them. Each one of us has our reason why we need a generator. Thus the capacity we need may also differ. A 15,000 air conditioner typically consumes 1500-2000 watts of power.

Type of Fuel

Most of the RV generators run on either propane, gasoline, or diesel but the best generator for the 15000 BTU air conditioner uses gasoline most of the time. Gasoline is a popular choice despite its initial cost and high maintenance cost.

Run Time

If you do not want to run out of power in the middle of the night, It is best to choose a generator with a longer running time, particularly at night. An 8 hour at half load can be helpful enough.

4 Tips on How to Use the RV Air Conditioner

You may already have an air conditioner in your RV, but you have to make sure you are maximizing it to keep the area cool as much as possible. Below are tips you can consider to ensure that your RV air conditioner will perform at its best to keep the site cool.

Supply the Required Power

Your air conditioner will not perform at its best if there is enough power from your generator. If you only have one RV air conditioner, a 4000 watts generator would be enough, and for two air conditioners, you will need a 5500 watts generator. If you don’t have a generator, ensure to plug it into a 30 or 50 amp outlet.

Keep the compressor protected with a surge guard so your air conditioner and other electrical parts in your RV will run smoothly. If it detects low voltage, the surge guard will turn off the power.

Take Advantage of Your RV Air Conditioner

You need your RV air conditioner to cool down your RV. Make sure that your RV air conditioner will function at its best. Open the windows of your camper so the cooler air from the outside can move around inside your RV. If the air conditioner can draw in outside air, it can help cool down your RV and help you save energy. Generally, if the air temperature outside is warmer than inside, bring air from the outside.

Once the RV is cool enough, keep the doors and windows closed to keep the cold air inside. You can lower the shades, use blinds, or utilize reflective vent insulation to trap the cold air inside.

Also, to lower the temperature inside, we recommend you use LED lights instead of incandescent bulbs. It helps reduce as much heat so you will keep the room cold.

Regular Maintenance

Just like other appliances and equipment, your RV air conditioner requires regular maintenance. One way is to keep the air conditioner at a low setting. It may take longer to cool down, but extreme temperature can affect the unit’s lifespan. You have to remember that your AC operates off an intake temperature coming from the outside air. This is the reason why your RV air conditioner can only cool up to 20 degrees below the outside temperature. So, don’t just set your RV air conditioner at its highest setting. You have to keep it low and slow.

Keep the Air Conditioner Filters Clean

A clogged filter will not provide cold air inside. Clean the filters regularly. Remove the grill dust from dirt and debris, or use warm soapy water to rinse the filters. If in case you have a rooftop RV air conditioner, ensure vents are clean as well.

How to install an air conditioner in the wall?

Cutting a hole in a wall to install a through-the-wall air conditioner may appear simple, but it is not. A professional can make the procedure go more smoothly and efficiently. 

  1. Choosing a wall should be the first step. You must select an exterior wall to vent a wall air conditioner. Consider the thickness of your wall, the sleeve, and the dimensions of the air conditioner before making your choice. You should also check to see whether there is an electrical outlet nearby. 
  2. Make sure there is no piping or electrical wiring within the wall before deciding where to place it. Keep an eye out for gypsum board or any other lightweight material on the wall. Ensure the wall is built of sturdy concrete or wood that can hold a unit like an air conditioner. 
  3. Find three to four studs in the wall with a stud finder. They’re separated by about 16 inches. The massive wooden beams that serve as studs provide structural support for the wall. Rather than through the studs, the ideal location for your wall-mounted air conditioner is in between them. It’s common for these air conditioners to come with a user guide that explains the unit’s features. 
  4. You must take precautions because you have chosen a wall with electrical connections. Ensure that the main power source has been shut off before beginning the installation process. 
  5. Remove the plaster off the wall. Make certain that the sleeve and your air conditioner are measured correctly. Begin by drawing an outline, then slash through the wall.
  6. Next, create a second outline that is approximately 2.5 inches larger than the first. Create a supporting framework using the second outline. 
  7. Make the air conditioner’s frame. A sturdy frame for your unit can be made from 2x4s that have been measured and cut to length, then joined together. Place it in the opening in the wall and tighten it down. 
  8. Make a hole in the outside wall. Drill into the interior of the wall at each of its four corners. Cut a similar rectangular frame into the outside wall using these holes as a guide. 
  9. Afterward, insert the air conditioner by sliding it into a sleeve that has been pre-installed in your wall. 
  10. The air conditioner should be turned on only after all the vents have been closed. Fill up the wide gaps with drywall. After you’ve filled up the wider gaps, finish the job with caulking. You can use paint for touch-ups. 
  11. It is time to plug in and turn on your power supply! Your through-the-wall AC should allow you to enjoy a cool summer! 

Frequently Asked Questions – (FAQ)

How many watts do you need to run a 15000 BTU air conditioner?

A typical 15,000 BTU RV air conditioner will consume roughly 1,500 watts of power to operate. In order to get it up and running, you’ll need at least 3,000 watts or even 3,500 watts. 

Is 15000 Btu enough for AC?

The cooling capacity of a room air conditioner is measured in Btu per hour. Most rooms up to 875 square feet should be adequately cooled by air conditioners rated at 15,000 Btu. 

Can a portable generator power an air conditioner?

Yes. But you require a portable generator with more watts (10,000 watts or higher). Most central air conditioners cannot be powered by a 2,000-watt generator, no matter how quiet it is. In the case of tailgating or camping, portable generators are ideal for supplying electricity to small appliances and tools. 

Will a 2000-watt generator run a 15000 BTU air conditioner?

For a deep freezer with 500-watt, a 2000-watt generator will be enough. and one element of an electric burner. It is possible to run a 10,000 BTU window air conditioner in the event of a summer power outage with the help of a 1500 BTU RV air conditioner with a higher initial wattage capacity. 

Conclusion

Now that you have some ideas on the qualities of a good generator, it will be easy for you to decide which brand to buy. You can consider purchasing any of the five products we have reviewed above, but the one that stands up the most is the Champion 3400 RV Generator. One of its best features is it operates quietly.

You can charge even you’re most sensitive electronic devices. Our second best is also from Champion, the 3300 RV generator. Since the above-reviewed generators were field-tested, you can be assured that you will be getting the best unit that works if you buy any of them. If you want to share your thoughts about RV generators for 15000 BTU, feel free to comment below.

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