The Best RV Air Compressor For Your Rig

One of the most important components of an RV is its tires. After all, that is your connection with the ground when you are traveling down the highway. So you need to pay even more attention to your RV tires than you normally do to the tires on your car. And this means that you need to determine what is the best RV air compressor for your particular rig.

And then use that compressor regularly to keep your RV tires inflated properly. So let’s take a look at the RV tire inflators that I recommend for your consideration.

Disclosure: Please note this post may contain affiliate links. This means – at no additional cost to you – I earn a commission if you make a purchase using our affiliate links. I only link to products and companies I use and feel comfortable recommending. The income goes toward supporting the free content on this website.

12 Volt RV Tire Inflators

There are several manufacturers of 12 volt portable air compressors on the market. And many of them are not very well-made. But there is a brand of 12 volt RV air compressors that is widely regarded to be the best by many RV owners.

That is the Viair brand. They are known for their quality of build and their smooth, capable function while in use. And they hold up to regular use well.

Viair makes 4 different tire inflators for the RV market, depending on what kind of RV you have. For Class B RVs, the model 89P works great and comes with a 20 foot hose.

If you have a towable RV, the model 300P works well and comes with a 30 foot hose. For Class C RVs, the model 400P is the best choice and comes with a 60 foot hose. And finally, for Class A motorhomes, the model 450P does the job very well and also comes with a 60 foot hose.

The idea with making so many models is to be able to offer these units at the size and price point that fits your RV. Of course, you can always buy a larger Viair model than is recommended for your rig and it will work fine.

And this might be a good strategy in case you might sell your current RV and buy something larger.

All Viair models come with clamps to attach to your battery as a power source and plenty of hose for your RV size. They are all lightweight and easy to use.

And some RVers I know of have even mounted their Viair compressor permanently in their rig and hooked it up to their 12 volt power system. Just click on the images below to get more information and specs on the Viair product line for RVs:

Viair 89P RV air compressor
Viair 300 P RV air compressor
Viair 400P RV air compressor
Viair 450P RV air compressor

(These are an affiliate links for Viair products. It does not cost you any extra to buy the product using my affiliate link if you choose to do so)

120 volt RV Air Compressors

While Viair clearly makes the best 12 volt air compressors for RVs, some RVers choose a 120 volt model instead. In fact, one of the most popular RV tire inflators is a pancake-style compressor made by Porter Cable.

One drawback to this style of RV air compressor is its size and weight. If you have a smaller RV it may not be the best choice for you and a Viair unit may work much better. But for those who have ample storage space, these smaller pancake compressors can be very versatile.

In fact, the versatility of these compressors extends well beyond their use as just tire inflators. Since they are true 120 volt air compressors, they can often be used for small repair and remodel jobs around the RV.

They can easily run most air-powered tools and that can be very useful in such situations. But they are also very competent RV tire inflators too. Since they can produce up to 150 psi, that will allow you to inflate almost any size RV tire easily.

But unlike the Viair models, you will also need to get the hose and connections needed to inflate your tires.

Of course, as mentioned, these compressors run only on 120 volt electricity. And this means that you will either have to be plugged into shore power or use a generator to operate them.

But if this is not an issue for you, the cost of one of these air compressors is very attractive. In fact, they can be much less expensive than the Viair compressors mentioned above.

I personally use one of these units myself for its overall versatility and power to inflate my motorhome tires quickly. Click on the link below to learn more about the Porter Cable air compressor. And you can also see what others have said about it as well.

Click here for the Porter Cable air compressor

(This is an affiliate link for the product on Amazon. It does not cost you any extra to buy the product using my affiliate link if you choose to do so)

My recommendation

In my opinion, if you choose an RV air compressor from one of those in this article, you can’t go wrong. Any of the Viair models will be a good purchase.

They will be light and efficient but will be limited only to inflating tires. If you choose a pancake compressor, it will take up more room. But it is also more versatile and can be used for other projects around the RV. But all of these air compressors are well-reviewed and have stood the test of time.

So I hope this information has been helpful for you. Having the right air compressor is important as you learn to maintain and care for your RV tires. Have safe and happy travels my friends!

How To Use An RV Electrical Adapter At Home

If you like to plug in your RV at home before a trip, you have plenty of company. It makes it easy to get some of the appliances, like the refrigerator, going in advance. And if you need the lights or want to power up some devices or the batteries, you can do that too. So this article will help explain how to use an RV electrical adapter at home safely.

Disclosure: Please note this post may contain affiliate links. This means – at no additional cost to you – I earn a commission if you make a purchase using our affiliate links. I only link to products and companies I use and feel comfortable recommending. The income goes toward supporting the free content on this website.

Why Is An RV Electrical Adapter Needed At Home?

Most RVs come with either a 30 amp or 50 amp electrical system. And when you go to a campground, they are all set for either one.

But sometimes you have to use an electrical adapter to plug in your RV at the campground . This is because you may have a 50 amp RV but the campground only has a 30 amp service available.

Or you may have a 30 amp RV and only 50 amp campsites are available. Either way, an electrical adapter is needed in these cases. You can learn more about these kind of RV electrical adapters and check out the user reviews at the links below:

Click here for a 50 amp to 30 amp RV plug adapter

Click here for a 30 amp to 50 amp RV plug adapter

(These are affiliate links for the products on Amazon. It does not cost you any extra to buy the product using my affiliate link if you choose to do so)

So what happens when you plug in your RV to your electrical service at home? Well, most residential houses do not have a 30 amp or 50 amp service.

In fact, most of them will only have either a 15 amp or 20 amp electrical line that you can plug into. So clearly, another adapter is needed to be able to plug the RV in to your electrical service at home safely.

How To Make The Connection

The electrical service at your home is different from that found at a campground. And the electrical plug is not the same either. So clearly, you will need another RV electrical adapter to make the connection at home.

Fortunately, adapters for 50 amp to 15 amp services are available. The same is also true for 30 amp to 15 amp electrical adapters. So if you choose to power your RV at home, be sure to have the correct adapter on hand to do so.

Of course, if you have a 30 amp or 50 amp RV electrical service installed at home, these will not be needed. You can learn more about the 15 amp electrical adapters that I recommend at these links:

Click here for 15 amp to 50 amp RV plug adapters

Click here for 15 amp to 30 amp RV plug adapters

(These are affiliate links for the products on Amazon. It does not cost you any extra to buy the product using my affiliate link if you choose to do so)

Don’t Forget To Use RV Extension Cords

One other point to remember. Don’t forget to use the proper extension cord for your electrical connection if one is needed.

The wiring in your extension cord needs to be up to the task of delivering the full amperage to your RV if needed. So don’t just grab a cheap extension cord for this task.

It’s best to use an RV extension cord that matches the power draw of your electrical line. This will just make sure to keep things safe while your RV is plugged in.

If you are on a 15 amp line, use a 15 amp RV extension cord. If it’s a 30 amp or 50 amp line, use the matching extension cord there as well. You can learn more about the RV extension cords for each amperage at the links below:

You can click here for a 15 amp RV extension cord

Or you can click here for a 30 amp RV extension cord

Click here for a 50 amp RV extension cord

(These are affiliate links for the products on Amazon. It does not cost you any extra to buy the product using my affiliate link if you choose to do so)

Your RV’s Power Usage At Home

One final note needs to be made about plugging your RV in to your home electrical system. And that is that you can make the connection safely, but you must monitor and adjust your power usage in the RV.

For instance, 50 amp RVs are designed to be able to use 12,000 watts of power simultaneously. That’s why they have 2 air conditioners and all those appliances in them. 30 amp RVs are designed to use only 3600 watts of power at the same time. Usually there is only one air conditioner and fewer appliances in those RVs.

Now when you plug in to a 15 amp service at home, you can only use 1800 watts of power simultaneously. This is a big step-down for a 30 amp RV and a huge step-down for a 50 amp RV.

So you have to make sure that you are only using enough appliances or devices in your RV that will not overload the 15 amp line. This means that air conditioners are out.

And many large wattage appliances are out. So it may be possible to power your refrigerator on electric along with a few lights. You may also be able to charge up some of your devices and use small appliances too.

But if you go beyond this, you will probably be tripping electrical breakers regularly. So make sure you conserve power as much as possible when plugged in to a 15 amp line.

I hope this helps you learn more about how to properly plug your RV in to your home electrical system.

Have safe and happy travels my friends!

Correct RV Tire Pressures For Every Rig

There is endless discussion about RV tire pressures in the online RV forums. There are almost as many opinions about it as there are RVers. But what I am going to share with you in this article is what you need to know about tire safety. And safety is a big factor when we talk about RV tires. The bigger the rig, the more important you monitor your tires and use the correct RV tire pressures for your tires.

This subject really is no joke because your RV tires are the only connection you have with the ground. And if you suffer a blowout while driving, it can be a dangerous and scary situation.

So lets find out how you can determine the best RV tire pressures for every rig out there.

RV tire pressures gauge

What Is The Correct Tire Pressures For Your RV?

You will hear a lot of thoughts about what the correct RV tire pressure should be for every rig. Some will say to just go by what is printed on the tire sidewalls. Some say to ignore that and use the tire charts usually found inside the RV.

Others have a general idea of what tire pressure they like to use and think it fits everyone else as well. So what is the correct air pressure to use in your RV tires?

The truth is that tire pressure is most accurately determined by the load placed on them. The most correct RV tire pressure is the one where it takes into consideration the weight that is being placed on that individual tire.

And you might think that RVs have their weight evenly distributed between the axles, but that is often not the case. And very often the RV owner has used their storage unevenly too.

So more weight may be on one side of the RV than on the other. And the only way that you will know that is to weigh the rig and find out.

How To Weigh Your RV

So how do you find out how the weight is distributed in your RV? Many people take the RV to a truck scale like CAT scales found at Love’s truck stops.

Or they may use another method that weighs the weight on each axle. This is certainly better than nothing and will give you a good picture of what your axle weights are.

But the most accurate weights for tire pressure are determined by weighing the RV at each tire position separately, instead of just using the overall axle weight. That’s because RVs are not very balanced vehicles to begin with.

And then people start putting their cargo in the storage areas without thinking about weight distribution. So the weight on a tire on the left side of one axle can be very different from that on the other side. Only by weighing the rig at each tire position will you know that.

There are two main companies that weigh RVs at each tire position and you usually find them at RV rallies across the country. The two top companies that do this properly are Escapees Smart Weigh and the RV Safety Education Foundation (RVSEF).

But Escapees Smart Weigh does have some permanent locations where you can get your RV weighed properly too. Here is a link to those weigh centers.

How To Find The Correct RV Tire Pressures

Once you have the accurate weight that is on each tire, now you can determine the correct tire pressure. To do that, you make use of the tire manufacturer’s tire inflation chart.

It will tell you the correct tire pressure for the weight that particular tire is carrying. These charts can be easily found online by just Googling the the tire manufacturer and model of tire on your RV.

The general rule of thumb is to use the tire pressure for the tire with the most weight on that axle. In other words, one tire on the axle may have 3000 pounds on it and the other may only have 2000 pounds on it.

So use the tire pressure for the tire that has 3000 pounds of weight on it for both tires on that axle.

What To Do If You Haven’t Been Weighed Yet

So now you know how to establish the correct RV tire pressures for your rig. But what do you do before you get weighed properly?

The fail safe approach to tire pressure in this case is to run the tires at their maximum cold air pressure. This figure will be listed on the tire sidewall.

If the tires on your rig are the size and rating that your RV manufacturer recommends, this is a safe tire pressure. This maximum cold pressure for the tire is appropriate for the maximum weight that the tire could safely carry.

As long as you are within the safe load limits of your RV, the maximum tire air pressure will be fine. The ride may be a little stiff, but it will be safe.

This is because the main enemy of RV tires is heat. And under-inflation is what causes heat to build up in the tire. If you are a little over-inflated for the weight, that should not present much of a safety issue.

Also, keep in mind that the maximum tire pressure is cold pressure. This is before the RV has been driven anywhere. As you go, the tire pressure will exceed the cold pressure limit as the tire warms up. And that is fine. The tire manufacturer has built the tire to be able to safely do that.

But be sure to get your RV weighed properly as soon as possible. Then use the tire manufacturer’s tire pressure guidelines for the weight on each RV tire. That is the best and most accurate tire pressure for any RV rig.

I hope this primer on determining the correct RV tire pressure for your rig has been helpful.

As always, have safe and happy travels my friends!