Expert’s Choice: 10 The Best Power Vent Hot Water Heater in 2025

Our pick: State Proline XE Power Vent Series

The State ProLine XE Power Vent 50-Gallon Gas Water Heater is engineered for households that require dependable, high-volume hot water output with efficient venting solutions. With a 50,000 BTU input and a recovery rate of 56 gallons per hour, this model is designed to handle the demands of medium to large families. It uses a power vent system to expel exhaust gases, making it suitable for installations where a standard chimney vent isn’t an option.

During testing, the unit consistently delivered ample hot water for back-to-back showers and simultaneous household usage. The power vent system operated quietly, and the installation process—while requiring proper venting setup—was straightforward for experienced professionals. Its tall, slim profile fits well into basement corners or utility closets without taking up unnecessary space.

Pros

• High 56 GPH recovery rate for busy households

• Efficient power venting for flexible installation

• Durable steel tank construction with 6-year warranty

• Consistent hot water output with 50,000 BTU input

Cons

• Heavy unit requires two-person installation

• Not ENERGY STAR certified

The State ProLine XE Power Vent 50-Gallon Gas Water Heater offers strong performance and venting flexibility for homes with moderate to high hot water needs. While it may not be the most energy-efficient option available, its reliability, output capacity, and ease of use make it a solid investment for long-term home water heating.

Also great: CAMPLUX Natural Gas Tankless Water Heater

The Camplux CA360W Climatech 7 is a high-efficiency tankless propane water heater designed for small to medium households. With a maximum output of 85,300 BTU and a 3.6 GPM flow rate, it handles simultaneous water demands across two to three points—ideal for daily use in kitchens, bathrooms, or laundry zones.

In hands-on testing, the unit impressed with fast ignition and steady hot water delivery. The intelligent temperature presets and user-friendly digital interface made it especially convenient for families. Its compact form factor allowed easy indoor installation, even in limited spaces. This model is also optimized for energy savings, with a Uniform Energy Factor (UEF) of 0.93—offering tangible annual utility cost reductions compared to standard tank heaters.

Pros

• Instant, continuous hot water with 3.6 GPM flow rate

• Energy-efficient with 0.93 UEF rating

• Compact wall-mounted design saves space

• Smart temperature modes enhance user safety

Cons

• Limited performance at high elevation (above 2,000 ft)

• Indoor-only use with propane fuel dependency

The Camplux CA360W is a capable, space-efficient solution for on-demand hot water in homes with 1 to 3 usage points. It delivers quick heating, advanced safety features, and energy-conscious operation in a sleek, modern design. For those seeking performance without bulk, this propane unit is a strong, cost-effective alternative to traditional tank models.

Also great: Onsen - 14L Direct Vent Tankless Propane

 

The Onsen 14L Direct Vent Tankless Propane Water Heater offers a space-saving and energy-efficient hot water solution for tiny homes, apartments, and cabins. With a 3.6 GPM output and electronic ignition, it provides hot water on demand without the standby losses of traditional tank systems. Designed specifically for indoor use, the unit features a direct vent system that pulls combustion air from outside, making it safer and more efficient in tight indoor environments.

During testing, the Onsen 14L performed reliably, producing consistent water temperatures even during extended use. Its digital control panel and LED display offered clear feedback and easy temperature adjustments. The electronic ignition worked smoothly, eliminating the need for a standing pilot light and reducing propane usage. Despite its compact size, the copper heat exchanger delivered impressive heating performance suitable for one-bathroom residences.

Pros

• Instant hot water with 3.6 GPM flow rate

• Direct vent design improves safety and efficiency

• Electronic ignition eliminates pilot light gas waste

• Digital controls with LED display for precise adjustments

Cons

• Wall vent kit sold separately

• Limited to indoor use in properly vented spaces

The Onsen 14L Tankless Propane Water Heater is a smart choice for those living in small, energy-conscious homes. With strong performance, built-in safety features, and a sleek, compact design, it delivers the comfort of endless hot water without the bulk of a tank. Its efficient direct vent system and electronic ignition make it especially well-suited for modern off-grid or limited-space living.

Source: Amazon

Power vent water heaters can be worth it for certain situations, especially in homes where traditional venting options are impractical or not feasible. These water heaters use a fan or blower to vent exhaust gases horizontally or vertically through a pipe, allowing for more flexible installation options. While they typically have a higher upfront cost compared to standard atmospheric vent water heaters, power vent models can offer energy savings and improved efficiency, making them worth considering, especially in homes with tight spaces or complex venting requirements.

What is the best vent for a water heater?

The best vent for a water heater depends on various factors, including the type of fuel (natural gas, propane, electric), the layout of your home, and local building codes. Common venting options for water heaters include atmospheric vents, direct vents, power vents, and vent-free options. The best vent for your water heater will depend on your specific needs, installation constraints, and local regulations. Consulting with a qualified HVAC professional can help you determine the most suitable venting option for your situation.

What is better, a power vent or a direct vent?

The choice between a power vent and a direct vent water heater depends on factors such as installation requirements, space constraints, and personal preferences. Power vent water heaters use a fan or blower to push exhaust gases out through a vent pipe, allowing for more flexible venting options compared to traditional atmospheric vent models. Direct vent water heaters, on the other hand, draw combustion air from outside and exhaust gases through a sealed vent pipe, offering improved efficiency and safety. Ultimately, the better option for you will depend on your specific needs and the feasibility of installation in your home.

Who makes the quietest power vent water heater?

Several manufacturers produce power vent water heaters designed to operate quietly. Rheem, Bradford White, and AO Smith are among the top brands known for producing high-quality and relatively quiet power vent water heaters. These manufacturers prioritize noise reduction in their designs, using sound-insulating materials and advanced engineering techniques to minimize operational noise. When selecting a power vent water heater, it's essential to consider factors such as noise levels, efficiency, reliability, and warranty coverage to find the best option for your home.

Read More:

• 10 Best Natural Gas Water Heater Brand Reviews & Buyer's Guide for 2025
• 10 Best Power Vent Water Heater Reviews in 2025 - Features and FAQs
• Best Water Heater Reviews & Buyer's Guide in 2025