Recreational vehicle (often referred as RV) is an enclosed equipment with dual purposes. First it functions as a regular moving vehicle, and second as a temporary home. Some people call this as a motor home or a motor caravan. A recreational vehicle is intended for almost every use, to travel to different places yet still feel like being at home.

RVs can be rented in many cities. People who opt for an RV versus a car when traveling rave about the complete amenities inside of an ordinary house. It’s a great innovation that’s in demand nowadays.

A look-see inside an RV:

• Beds where you can take a rest or nap
• A multi-functional table
• Fully-equipped kitchen

Larger models of RVs have additional features like:

• Bathrooms
• Refrigerators
• Living areas
• Master’s bedrooms

Recreational vehicles are sometimes used as mobile-on-the-go. These RVs have special features like satellite TV and Internet access, slide-out sections and awnings. You just have an extra table and other needed equipments needed to be used in typical offices. Some have a small storing area for an ordinary car. An RV typically has sufficient supply of electricity and generator.. Other RVs are used just to tow small cars.

Types of RVs:

• Class A motor home – constructed with different kinds of chassis. Be it a commercial truck, a specially-designed motor vehicle or a commercial bus chassis.
• Bus conversion – highly-customized with luxury components; typically the largest motor vehicle available.
• Class B Campervan – like a conventional van with raised roof added or the back has been replaced by low body profile.
• Class C motor home – built on truck chassis with an attached cab section. It has a cab-over profile called mini-home motor.
• Truck Camper – favored by hunters and other back wood travelers.
• Folding Trailer – this is also known as tent camper, collapse for towing and storage.
• Travel Trailer – a unit with rigid side which is designed to be towed
• Teardrop Trailer – is a lightweight travel trailer, sometimes towed by a motorcycle
• Hybrid Trailer – combination of a travel trailer and a folding (tent) trailer
• Fifth-wheel Trailer – towed by a pick- up or a medium duty truck
• Park Model – is a standard traveler trailer but is not self-contained; designed for park camping only and not for dry camping. It has hot water storage tanks and must be used with hook ups.
• Toterhome – for pulling of large and heavy trailers
• Toy hauler – designed to be part living space and part garage.

Renting RVs are expensive, and is not a better alternative to hotels or inns. But try it at least once in your life for the experience.

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Travel trailers, fifth wheels, RVs – call them what you will but for those of us that love to live in them they are home. And one likes to surround oneself with the amenities of modern living whether the home is mobile or not. Some place the priority of mobile living on escape – going to the country, finding the quiet and relaxing. Others want to embrace the RV lifestyle while remaining connected to current events and their favorite television programs. Still others, especially those with children, find that it is important to bring along with their home TV, music, Internet and video games. The priorities of entertainment vary and are as numerous as the models and options of travel vehicles.

These days technology is certainly on our side. The entertainment system options in RVs have changed dramatically in the last few years. Television screens alone have made an amazing difference to the necessary efficiency of travel trailers and RVs. Where before a small, relatively speaking, 19″ screen required a much bigger devotion of space than do the massive screens of today. Doing away with the tube was perhaps one of the biggest advances in RV entertainment technology. In addition to efficiency of space these flat screen TVs add the possibility of multiple televisions. This is especially helpful for a family traveling with kids.

Often new RVs and travel trailers come equipped with entertainment systems. When shopping for a new vehicle it is important to understand what is included with the quote. Often one sees a show model which is outfitted with the fullest package while the quoted price does not include the full entertainment system displayed. While entertainment system upgrades are generally available make sure that the hike in cost is realistic when compared to the actual cost of the additional components. This is an important consideration when one considers that electronics stores often offer great deals on the various components of an entertainment system. However, the additional cost can be worth it for a vehicle that is fully equipped and ready to roll on day one. A professional or factory installed entertainment system can save a lot of space and do away with the eyesore and hassle of the cables and connecting hardware of additional equipment.

If one already owns a travel trailer or RV and is looking to upgrade the entertainment system it is important to consider such things as size, storage and compatibility. Certain questions should be answered. Can this component be hooked up with minimum hassle such as pulling out existing components to get at the plugs in the back? When not in use can it be stored while respecting the efficiency of space? Can it be plugged into and powered by the existing power sources of the RV?

The options for entertainment on the road are vast and today’s technology makes them incredibly flexible. Finding the right options for you and your travel companions is important. Take the time to make the right choice.

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If you’ve been unhappy with the quantity of hot water provided by your conventional RV water heater, there is an alternative. In November 2006, I decided to take the plunge and invest in a tankless water heater for our RV. I was really tired of G.I. showers. As a Viet Nam era veteran, I’d had more than my share of them when I was younger. We did our research and made our choice. Now, I’ll never go back to a conventional water heater again! Read on and I’ll tell you how I am now able to take a hot shower whenever I want, for as long as I want.

Basic Water Heater Design

A conventional water heater uses a storage tank to heat its water. It fills the storage tank with a quantity of water, then heats it up to a specific temperature and keeps it there. This is true whether we’re talking about your home or your RV. In a home, this usually doesn’t present much of an issue. Most home water heaters are at least 30 gallons in size, many are much larger. If you continuously run out of hot water at home, the solution has always been to replace your 30 or 40 gallon heater with a 60 gallon model, or even larger; problem solved. Unfortunately, as RV’ers, we don’t have that luxury. Most RV water heaters have either 6 gallon or 10 gallon tanks. Even if a larger heater is available, there is always a size and weight consideration in an RV. Water weighs 8 pounds per gallon, so even if you had room for a 20-30 gallon unit, the extra 80-200 pounds of water plus the weight of the bigger unit is usually a problem. Simply put, changing the size of your water heater is usually not an option in an RV.

The Alternative

The alternative is a technology that’s been around for more years than you might think – tankless water heaters. A tankless heater is just what the name implies, it doesn’t have a storage tank.

Instead, it heats the water on-demand as it flows through the unit. This seems simple enough, but actually wasn’t really a viable alternative until the last 10 years or so. It took the computer revolution to make the technology viable and inexpensive enough to make it commercially feasible. With modern microcomputer controllers, the heating rate and flow can be controlled with enough precision to make the tankless heater a great alternative.

How a Tankless Water Heater Works

Instead of a storage tank, a tankless heater has a coiled chamber in it that works similar to the radiator in your car. Your car’s radiator is designed to remove heat from water as it flows through. This cools your engine. The tankless water heater works the opposite and heats the water as it flows through. This means as long as you have water flowing, and don’t run out of whatever fuel (propane, electricity, etc.) you use to generate the heat; you have continuous hot water.

Understanding The Differences Is The Key

There are several key operational differences between tankless and conventional heaters. If you’re considering a tankless heater, you should be aware of these differences in order to have a successful experience.

When we were doing our research to make our decision, I went to many of the forums on the Internet to see what people were saying about their experiences. What I found was amazing. In almost all cases where someone was unhappy with their decision to “go tankless”, it was due to a misunderstanding of how they work. This misunderstanding led to unrealistic expectations, which led to dissatisfaction with the product.

A conventional heater heats the water in a storage tank to a specific temperature, typically about 120° Fahrenheit, and keeps it there. That means you will always get 120° water from your hot faucet when you turn it on, until the tank begins to replenish the tank from the cold water source. Then, the temperature of your water will slowly decrease until the hot water in the tank has been completely replaced with “cold” water. It which time, the water temperature from your hot faucet will be equal to the temperature from your cold faucet. With only 6 to 10 gallons of storage capacity, this usually doesn’t take long. The typical person takes a shower at somewhere around 105° at a flow rate of roughly 1.5 gallons per minute. Since you need to mix some cold water into the hot to lower the temperature from 120° to 105°, that gives you about 5 to 7 minutes from a 10 gallon tank before the water temperature drops below the 105° point and you begin to feel the shower is too cold to be comfortable. During this time of course, you’ve been constantly lowering the amount of cold water in the mix to keep the shower at a constant 105°.

A tankless water heater works very differently. It heats its water based on temperature rise and flow rate. The computer controller prevents the temperature from ever exceeding the preset maximum, typically the same 120°, just like a conventional heater. What you should understand is this means the temperature of your hot water can be lower than the maximum if one or both of 2 conditions are present. If your source water (the cold water) is very cold or if your flow rate is very high, your hot water temperature may be less than 120°. The tankless heater we purchased is rated to heat water 85° at a flow rate of 1 gallon per minute. A little simple math will help us understand this. If my source water is 64° and I set my shower at a flow of approximately 1 gallon per minute, then the hot water would be the maximum of 120° because 64° + 85° = 149°. Typical groundwater temperatures range from about 42° in Michigan during the winter to about 72° in Florida during the summer. Of course, if you lower the temperature of the source water and/or raise the flow rate, that changes the equation. Taking a bit of an extreme as as an example, if I’m in Michigan during the Winter (42° source water) and I set my shower at 1.5 gallons per minute (a typical shower rate), then the temperature rise of the heater I have is closer to about 70° than 85° at that flow rate. That means the temperature coming from my hot faucet is 42° + 70° = 112°. At that rate and temperature rise, I would need to mix far less cold water with the hot to get my desired 105° shower. It is possible, at very low temperatures (cold climates) and high flow rates (2 gallons per minutes or more), that you may find yourself taking a shower with nothing but hot water since 100° to 105° is about the maximum the heater can produce. The bottom line is this. As you change climates, the way you mix your hot and cold water to achieve a desired result will change also. As long as you understand this, and it doesn’t bother you, you will have a successful experience owning a tankless water heater.

There are advantages to these differences as well. The first of course is there is no storage tank to run out of hot water. As long as the water flows, and you don’t run out of propane, you have a constant flow of hot water at a consistent temperature. Once you have your hot and cold water mixed, there is no need to move it during your entire shower. The second advantage is cost. A conventional water heater keeps the storage tank hot around the clock, whether you are using the hot water or not. This requires energy (fuel) even when you don’t need hot water. A tankless heater only uses energy while it’s heating water. This can represent a significant savings. In our case, we’ve noticed about a 25% savings in propane since we switched the heater, and I have a tendency to take long showers – just because I can. You may see as much as a 50% savings in propane costs according to the manufacturer. For me that works out to a return period of less than 4 years. In 4 years my tankless water heater will have paid for itself in propane savings alone. That’s great! Especially considering I get to take REAL showers instead of G.I. showers.

Conclusion

Based on my experiences, a tankless water heater is beyond a cool toy, it is an essential part of my RV. I will never be without one again. Even if I decided to quit RV’ing full time and go back to a conventional home, it would have tankless water heaters in it. The model we chose is the RV-500 from PrecisionTemp. It is the only tankless water heater designed specifically to be a direct replacement for conventional 6 gallon and 10 gallon RV water heaters. Installation was a breeze, I even did it myself. If you’re not inclined to do it yourself, any qualified plumber can install it in a short time. If you are a do-it-yourself’er, both the documentation and the support I got from PrecisionTemp when I had questions were superb. The quality of the unit is excellent and it has operated flawlessly since installation. I went ahead and got the model with the Cold Weather Protection kit so I could stay in cold climates, even though we typically head to warmer climates in the Winter.

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