If you own an RV with a Suburban Advantage water heater, you probably wonder how much propane it uses. Understanding propane consumption helps you plan trips, avoid running out of hot water, and manage fuel costs. But the answer isn’t as simple as a single number. Propane usage depends on the model, tank size, heating habits, and even water temperature. This article will break down everything you need to know about Suburban Advantage RV water heater propane usage, with clear explanations, practical tips, and real-world data.
What Is A Suburban Advantage Rv Tank Water Heater?
Suburban Advantage is a popular brand for RV water heaters in the US. These heaters use propane to heat water quickly, so you can enjoy hot showers and washing up, even when camping off-grid. Most Suburban Advantage units have tank sizes between 6 and 12 gallons. The heaters are efficient, reliable, and designed for mobile use.
Propane is the main fuel for these heaters. Unlike electric-only heaters, propane models are ideal for boondocking and remote camping, where electricity is limited. Some units are dual-fuel, meaning they can run on propane or electric power, but propane is often preferred for speed and convenience.
Propane Usage: The Basics
Typical Propane Consumption
The average Suburban Advantage RV water heater uses around 0.5 to 1.0 pounds of propane per hour of active heating. This range changes based on the tank size, water temperature, and how often you use hot water. For most campers, water heaters run in short bursts, not continuously. So, total daily usage is usually less than one pound.
How Propane Heaters Work
When you turn on the water heater, propane ignites inside a burner, heating water in the tank. Once the water reaches the set temperature, the heater turns off. If you use hot water and the tank cools down, the burner starts again.
The more you use hot water, the more propane you’ll burn.
Key Factors Affecting Propane Consumption
Many RV owners think all water heaters use the same amount of propane. In reality, several factors change the rate of consumption. Here are the most important:
1. Tank Size
Larger tanks (10–12 gallons) need more propane to heat, but they provide more hot water. Smaller tanks (6 gallons) use less, but may run out sooner if you take long showers.
2. Heating Frequency
If you shower daily or wash dishes often, your heater will cycle more times, burning more propane.
3. Incoming Water Temperature
Cold weather means colder water enters the tank. Heating icy water to a comfortable temperature uses more fuel.
4. Water Heater Efficiency
Modern Suburban Advantage heaters are efficient, but older models may waste propane due to poor insulation or burner design.
5. Set Temperature
If you set your water heater to a higher temperature (like 140°F), it uses more propane than setting it to 120°F.
6. Usage Patterns
Running the heater continuously wastes propane. Smart usage—turning on only when needed—reduces consumption.
Real-world Examples: Propane Usage In Different Scenarios
Let’s look at three common scenarios to see how much propane a Suburban Advantage water heater uses. These examples are based on typical RV habits.
| Scenario | Tank Size | Daily Usage (minutes) | Estimated Propane Used (lbs) |
|---|---|---|---|
| Couple, short showers | 6 gallons | 20 | 0.3 |
| Family, frequent dishwashing | 10 gallons | 40 | 0.7 |
| Cold weather camping | 12 gallons | 30 | 0.8 |
These numbers are averages, but they show how tank size and usage change propane needs. For most RVers, a 20-pound propane tank can last 2 to 4 weeks for water heating alone.
Suburban Advantage Models And Their Propane Ratings
Different Suburban Advantage water heaters have slightly different propane usage rates. Here’s a comparison of the most common models:
| Model | Tank Size | BTU Rating | Propane Usage (lbs/hr) |
|---|---|---|---|
| SW6D | 6 gallons | 12,000 | 0.5 |
| SW10P | 10 gallons | 12,000 | 0.7 |
| SW12DE | 12 gallons | 12,000 | 0.8 |
BTU (British Thermal Unit) is a measure of heating power. Higher BTU means faster heating but higher propane consumption. Most Suburban Advantage heaters have a 12,000 BTU rating.
Calculating Propane Usage For Your Rv
If you want a more exact number, you can calculate propane usage for your own RV setup. Here’s how:
- Find the heater’s BTU rating (see manual or label).
- Convert BTU to propane pounds:
- One pound of propane provides about 21,600 BTUs.
- Divide your heater’s BTU by 21,600 to get pounds per hour.
Example:
A 12,000 BTU heater uses 12,000 ÷ 21,600 ≈ 0.56 pounds/hour.
If you run the heater for 30 minutes daily:
- 56 × 0.5 = 0.28 pounds/day.
A 20-pound tank would last about 71 days for water heating only.
How To Reduce Propane Usage
Many RVers waste propane without realizing it. Here are some practical ways to use less:
1. Turn Off The Heater When Not Needed
Don’t leave it on all day. Heat water right before you need it.
2. Take Shorter Showers
Even cutting shower time by 1–2 minutes saves propane.
3. Wash Dishes With Cool Water When Possible
Only use hot water for greasy dishes.
4. Lower The Temperature Setting
120°F is usually enough for comfort and safety.
5. Insulate Pipes And The Water Heater
This reduces heat loss, so the burner runs less.
6. Fix Leaks In Water Lines
Leaks mean your tank refills more often, wasting propane.
7. Use Campground Showers When Available
Save your propane for remote camping.
Many beginners think running the heater constantly keeps water ready, but this leads to excess propane use. Smart, timed usage is much more efficient.
Comparing Propane Use: Water Heater Vs Other Appliances
Water heaters are not the only propane users in your RV. Knowing how they compare helps plan your fuel needs.
| Appliance | Typical Usage (lbs/hr) | Usage Pattern |
|---|---|---|
| Water heater | 0.5–0.8 | Short bursts |
| Stove | 0.2–0.5 | Cooking meals |
| Furnace | 1.0–1.5 | Continuous in cold |
| Fridge (propane mode) | 0.1–0.2 | 24/7 operation |
Water heaters are moderate users. Furnaces use the most, especially in winter. If you only use your water heater, your propane supply will last much longer.
Practical Tips For Managing Propane Supply
Propane tanks are heavy, and refilling isn’t always easy on the road. Here’s how to avoid running out:
- Check propane levels often. Don’t rely on guessing—use a tank gauge.
- Plan for refills in remote areas. Not all campgrounds or towns have propane stations.
- Carry a backup tank. If one runs out, you won’t be stuck without hot water.
- Keep track of all propane appliances. If you use the furnace and stove, water heater usage can push you over the edge.
- Know your tank sizes. Most RVs use 20-pound tanks, but some have larger or multiple tanks.
If you’re unsure, estimate your daily propane needs and plan refills every 2–3 weeks.
Common Mistakes Beginners Make
Many new RV owners waste propane or run out unexpectedly. Here are two mistakes most beginners miss:
1. Leaving The Heater On All Day
It’s tempting to keep water hot at all times, but this burns extra propane. Only turn on the heater when you need it.
2. Ignoring Weather Impact
Cold weather increases propane use, but many don’t plan for this. Always estimate extra usage when camping in chilly areas.
You can avoid these mistakes by monitoring usage and adjusting habits.
Frequently Asked Questions
How Long Will A 20-pound Propane Tank Last With A Suburban Advantage Water Heater?
A 20-pound tank holds about 4.7 gallons of propane. If your heater uses 0.5 pounds per hour and you run it for 30 minutes daily, the tank can last about 80 days for water heating only. Combined use with other appliances will reduce this.
Can I Use Electric Mode To Save Propane?
Yes, many Suburban Advantage heaters have an electric mode. Using electricity for heating saves propane, but only works if you have shore power or a generator. Electric heating is slower than propane.
Is It Safe To Run The Water Heater While Driving?
It’s usually not recommended. Most RV manufacturers suggest turning off propane appliances while moving to avoid leaks or fire risk. Always check your manual for safety guidelines.
How Do I Know If My Water Heater Is Using Too Much Propane?
If your propane tank empties faster than expected, check for leaks, faulty burner, poor insulation, or excessive water usage. Routine maintenance and monitoring can prevent waste.
Where Can I Find Reliable Information About Suburban Advantage Water Heaters?
For specs, manuals, and safety tips, visit the manufacturer’s official site or trusted sources like RV.com.
Final Thoughts
Understanding propane usage for Suburban Advantage RV water heaters helps you plan trips, avoid cold showers, and save money. The average heater uses 0.5–0.8 pounds per hour, but real-world usage depends on tank size, heating habits, and weather. Smart usage, regular checks, and efficient habits can make your propane supply last longer. By knowing your heater’s BTU rating and using practical tips, you’ll have hot water when you need it—without wasting fuel or stressing about running out. Happy camping!
