1. Dometic FreshJet 3 13,500 BTU Rooftop Air Conditioner

The Dometic FreshJet 3 13,500 BTU Rooftop Air Conditioner is an outstanding choice for campervan and RV conversions, offering a blend of high cooling capacity, efficiency, and quiet operation that fits the unique needs of mobile living[1][2][3][4].

Why It’s Ideal for Campervan Conversions
- Compact Profile & Lightweight: At just 64 lbs and under 14” in height, it’s easy to install even on smaller vehicles and reduces weight strain, which is crucial for van conversions[1][3].
- Flexible Installation: Compatible with both ducted and non-ducted systems, and mounts to standard 14" x 14" roof openings, making it versatile for most conversion layouts[1][3].

Key Features & Benefits
- High Efficiency Cooling: Delivers 13,500 BTU cooling capacity—sufficient for cooling compact and mid-size vans in summer climates[1][2][4].
- Quiet Operation: 4dB noise reduction over previous models supports restful sleep and a more pleasant interior experience[2][3].
- Increased Airflow & Cooling: 15% more airflow and 13% higher cooling vs. older units means faster and more even cooling throughout your vehicle[1][3].
- Sustainable Design: Uses 28% less refrigerant and features e-coated coils for corrosion resistance and longevity[1][2][3].
- Backward Compatibility: Works with many existing Dometic (and competitor) air returns and controls, simplifying upgrades[1][3].
- Rugged Build: Hides screws and ventilation holes for improved aesthetics and minimizes water ingress risk[3].

What to Look for When Buying
- System Compatibility: Confirm if your van’s electrical system matches the 115V 16.9A requirement—may need a dedicated 20A circuit[2].
- Air Distribution: Decide between ducted (for multi-zone cooling) or non-ducted models (simpler install, ideal for small vans)[1][2][3].
- Control Options: Purchase necessary control kits or distribution boxes; some models do not include these by default[1][3].
- Heat Strip Option: If heat is needed, note that the FreshJet 3 does not include a heat pump, but a non-ducted heat strip kit can be used[3].

Common Mistakes to Avoid
- Skipping Electrical Capacity Check: Failing to match your van’s wiring and circuit protection to AC specs can cause tripped breakers or poor AC performance[2].
- Overlooking Required Accessories: Many installs need extra controls, air boxes, or thermostats—budget for these upfront[2][3].
- Ignoring Weight and Size: Double-check roof structure and opening compatibility (should be 14"x14") before purchase[1][3].

Best Use Cases
- Weekend Warrior: Ideal for part-time travel—quick cooling, low energy draw, and simple operation[2][4].
- Full-time Living: Supports quiet, efficient cooling needed for everyday comfort—especially when paired with proper insulation and solar/generator backup[3].

Budget & Value Analysis
- Pricing: Typically retails between $989–$1,035[1][2]; this is mid-to-premium range, reflecting advanced features and reliable brand reputation.
- Value: Offers improved comfort, reduced maintenance (with e-coated coils), and energy efficiency, making it cost-effective over time for both casual and full-time users[2][3].
- Accessory Add-ons: Factor in cost of control kits ($50–$150) and possible heat strip if needed—plan an install budget closer to $1,200.

Actionable Recommendation
- Confirm electrical compatibility and mounting specs for your conversion.
- Plan for the cost of controls and installation accessories.
- For full-time users, consider pairing with Dometic SmartStart kit or heat strip for added functionality and efficiency[3].

This model excels for both short trips and daily living, making it one of the most versatile air conditioning choices for campervan and RV conversions.

The Dometic FreshJet 3 13,500 BTU Rooftop Air Conditioner stands out for its lightweight build, improved efficiency, and quiet operation, but competes with several other popular campervan/RV air conditioners in its segment. Here’s a data-driven comparison with top alternatives.

Top Alternatives

• Coleman Mach 10 NDQ 13,500 BTU
• Dometic Brisk II 13,500 BTU
• RecPro RP-AC3800 13,500 BTU
• Furrion Chill 14.5K BTU
• GE Appliances 13,500 BTU RV Air Conditioner

Pros and Cons Comparison Table

| Product | BTUs | Weight (approx) | Noise | Efficiency Features | Price Range | Notable Pros | Notable Cons |
|----------------------------------|---------|-----------------|------------|----------------------------------|--------------|----------------------------------|-----------------------------------|
| Dometic FreshJet 3 | 13,500 | 64 lbs | ~58.5 dB | 13% more cooling, 15% more airflow, 28% less refrigerant[1][3] | $990–$1,035 | Lighter, very quiet, eco-friendly| No heat pump or heat strip |
| Coleman Mach 10 NDQ | 13,500 | ~85 lbs | Quiet | Optional soft start | $1,100–$1,200| Standard in many new RVs | Heavier, installation bulkier |
| Dometic Brisk II | 13,500 | ~77 lbs | Moderate | High airflow, older design | $950–$1,000 | Proven, reliable | Louder, less efficient |
| RecPro RP-AC3800 | 13,500 | ~69 lbs | Moderate | Lower amp draw | $900–$975 | Affordable, easy install | Slightly lower cooling capacity |
| Furrion Chill | 14,500 | ~88 lbs | Quiet | VibrationSmart & ClimateSmart | $1,050–$1,200| Powerful cooling, rugged | Largest unit, highest amp draw |
| GE Appliances RV AC | 13,500 | ~75 lbs | Moderate | Energy-efficient compressor | $950–$1,050 | Trusted brand, easy controls | Not as quiet or compact |

Price Range Comparison

• FreshJet 3: $990–$1,035[1][2]
• Other Leading Models: $900–$1,200, with budget options (RecPro) at the lower end and Furrion/Coleman at the upper[above].

When to Choose FreshJet 3 vs Alternatives

Choose the FreshJet 3 if:
- Noise, weight, and eco-friendliness are critical (e.g., frequent van dwellers, off-grid users).
- You want a modern design with backward compatibility for easy replacement[1][3].
- You do not require a built-in heat pump.

Opt for alternatives if:
- You need integrated heat pump (e.g., Coleman Mach 15).
- Absolute maximum cooling capacity is needed (Furrion Chill 14.5K BTU).
- Cost is a constraint (RecPro offers slightly cheaper options).

Performance Differences for Van Life

• Van life users benefit from the FreshJet 3’s quieter operation (4 dB less than Brisk II), lower weight (important for roof loads), and lower energy consumption—suiting solar/generator setups[1][3].
• The compact build is better for stealth or tight roof real estate, and lower refrigerant use lessens environmental impact.
• Models like Coleman Mach offer more rugged performance but are heavier and louder.

In summary, Dometic FreshJet 3 excels for modern, eco-conscious van builds prioritizing noise and weight, while alternatives offer more specialized features or larger BTU models for bigger RVs.

To install the Dometic FreshJet 3 13,500 BTU Rooftop Air Conditioner in a campervan, follow a sequenced approach using proper tools and best practices to ensure reliable performance and prevent leaks or electrical hazards.

Step-by-Step Overview
- Confirm the roof is compatible (sufficient load bearing, minimum size, thickness)[4][3].
- Measure and cut a 14”x14” hole (if not pre-existing).
- Seal the roof opening with flexible, non-hardening butyl sealant or the recommended gasket, addressing contours on ribbed van roofs to avoid leaks[2][3].
- Place the unit so the front faces the direction of travel[1][3].
- Route power and communication cables; ensure correct gauge/thickness per specs and protect with a residual current device (RCD)[3][4].
- Secure the unit from inside using supplied hold-down bars and bolts—do not overtighten (torque by specification, e.g., 2.5 Nm)[1][3].
- Install and connect the interior air distribution box (ADB), ducting, and filters.
- Double check wiring before connecting to power and test operation[3][4].

Common Mistakes to Avoid
- Failing to use the right sealant or gasket—leads to leaks, especially on ribbed van roofs[2][3].
- Overtightening bolts, which can damage the unit or roof structure[1][3].
- Not matching power supply to unit requirements—overloading circuits or using incorrect wire size[3][4].
- Poor cable management, risking chafing or electrical shorts.

Tools & Materials Needed
- Drill, jigsaw (for roof cutout)
- Screwdrivers, torque wrench
- Butyl tape or specialty gaskets
- Silicone sealant
- Measuring tape and marker
- PPE (gloves, safety glasses)
- Multimeter for electrical checks

Estimated Installation Time
Plan for 4–8 hours for a first-time DIY install; experienced professionals may complete it faster[2].

DIY vs. Professional Installation
- DIY is feasible if you are proficient with 12V/230V wiring and confident in cutting the van roof[2][3].
- Hire a professional if unsure about electrical integration, sealing, or if a warranty/inspection is required.

Safety Considerations
- Disconnect all vehicle power sources before starting.
- Use safety equipment when cutting steel.
- Ensure electrical compliance—install an RCD, use correct wire gauge, and secure all connections[3].

Pro Tips from Van Builders
- Upgrade to a custom gasket for ribbed van roofs (factory gasket may not seal well)[2].
- Double-check front orientation for optimal airflow.
- Test fit everything before sealing to catch misalignment.
- Use additional support or bracing under thinner-roofed vans.

These steps and best practices will maximize the reliability of your Dometic FreshJet 3 installation and prevent most common issues[1][2][3][4].