Choosing the best fan bike for HIIT workouts involves balancing powerful airflow, adjustable resistance, and workout versatility. The Sunny Health & Fitness Premium Smart Cross-Training Fan Bike stands out for its high capacity and customizable monitor, making it ideal for serious enthusiasts. The Wahoo KICKR HEADWIND delivers precise airflow control tailored to your workout intensity, while the Schwinn Airdyne Bike Series offers a classic, reliable design suitable for all fitness levels. However, many options come with tradeoffs: higher-end models often cost more and may feature complex setups, while budget models might lack durability or advanced features. Keep reading for the full breakdown to identify which fan bike aligns best with your workout goals and budget.
Key Takeaways
- Top-performing fan bikes combine adjustable resistance with high airflow for effective HIIT sessions.
- Most premium options include app connectivity and customizable workout data, but come at a higher price.
- Durability and weight capacity vary widely; choose models that match your fitness level and workout intensity.
- Budget-friendly models often sacrifice airflow power or resistance precision, making them better for beginners.
- Consider bike design (upright vs. recumbent) and additional features like phone holders or wheels based on your space and convenience needs.
More Details on Our Top Picks
Vornado FLY MAX High Velocity Floor Fan, 4 Speed Settings, 180° Adjustable Tilt, Remote Control, 2300 FPM, Powerful Airflow, Fitness Cooling for Gym, Workout, and Training, Black
This fan stands out for its impressive airflow of 2300 FPM and four adjustable speeds, making it ideal for high-intensity HIIT workouts where cooling and wind resistance are essential. Compared with the Sunny Health fan bike, the FLY MAX excels at directional airflow control with its 180-degree tilt and pivoting head, providing targeted cooling during vigorous sessions. Its remote control adds convenience without disrupting your workout, but its large size may be less suitable for tight spaces. This fan makes the most sense for athletes who need customizable airflow and a multi-purpose room fan that can double as cooling for home gyms or bedrooms. Its stability and energy-efficient motor are strengths, yet it may generate more noise compared to smaller fans. Best for athletes needing powerful, directed airflow with flexible positioning.
Pros:- Powerful airflow at 2300 FPM
- 180-degree adjustable tilt for directional control
- Remote control for easy operation
- Versatile as a room circulator
Cons:- Large footprint may be cumbersome in tight spaces
- Can be louder than smaller fans
- Limited airflow customization beyond four speeds
Best for: Dedicated fitness enthusiasts who want customizable airflow during intense workouts
Not ideal for: Small apartments or spaces with limited room where a compact fan would be better
- Air Flow Capacity:2300 CFM
- Number of Speeds:4
- Adjustable Tilt:Yes
- Remote Control:Yes
- Dimensions:13.01 x 13.71 x 11.27 inches
- Weight:Not specified
Bottom line: This fan suits users who prioritize high airflow and directional control for vigorous workouts and multi-room cooling.
This bike makes the list for its robust build supporting up to 330 lbs and its ability to engage both upper and lower body for comprehensive HIIT sessions, similar to the Dual Resistance Air Bike but with added smart features. It offers dynamic resistance through its fan blades, which increase resistance as you pedal harder, providing an authentic wind-resistance experience. The adjustable seat and dual-action handles facilitate tailored workouts, but its size and weight may challenge those with limited space or mobility. It excels for users seeking a smart, customizable cardio machine that tracks metrics via app integration, making it ideal for serious home gym users. The main tradeoff is that its complexity and size might be overkill for casual exercisers. Best choice for users who want a durable, full-body HIIT bike with digital connectivity.
Pros:- Supports up to 330 lbs
- Dual-action handles for full-body workouts
- Bluetooth app connectivity for personalized training
- Dynamic fan resistance that increases with effort
Cons:- Heavy and bulky to move
- More expensive due to smart features
- Complex setup for beginners
Best for: Fitness enthusiasts who want a high-capacity, smart, full-body HIIT bike for home use
Not ideal for: Casual users or small-space apartments due to its size and advanced features
- Max User Weight:330 lbs
- Resistance:Air and Magnetic
- Connectivity:Bluetooth with SunnyFit app
- Seat Adjustment:4-way
- Dimensions:Not specified
- Material:Steel alloy
Bottom line: Ideal for dedicated home gym users seeking a high-capacity, tech-enabled HIIT bike with full-body engagement.
Marcy Air-Resistance Exercise Fan Bike With Dual Action Handlebars
This bike is a solid choice for those on a budget who want a durable, air-resistance bike with dual-action handles for upper and lower body training. Its 14-gauge steel frame ensures stability, and the fan resistance provides a natural, scalable wind resistance that increases with effort—similar to the Sunny bike but with a simpler setup. The adjustable seat suits different heights, yet the overall weight of 108.9 pounds makes it less portable. It’s perfect for users seeking an effective cardio workout without extra bells and whistles, but less ideal for those who want advanced digital metrics or compact designs. The main tradeoff is that it lacks connectivity features, which some HIIT users might find limiting. Best for users wanting a straightforward, full-body air resistance bike at a lower price point.
Pros:- Sturdy 14-gauge steel construction
- Dual action handles for upper body workout
- Natural air resistance that scales with effort
- Adjustable seat for proper ergonomics
Cons:- No digital monitor or connectivity features
- Heavy weight reduces portability
- Basic interface without preset programs
Best for: Budget-conscious fitness enthusiasts seeking a durable, full-body workout bike
Not ideal for: Users wanting digital tracking or space-saving compact design
- Resistance:Air
- Max User Weight:330 lbs
- Frame Material:Steel
- Adjustable Seat:Yes
- Dimensions:55.5 x 25.2 x 50.6 inches
- Weight:108.9 pounds
Bottom line: This bike suits users who want a durable, full-body air resistance workout without digital distractions or high cost.
Dual Resistance Air Bike, Magnetic & Air Fan Bike with Smart APP, ISCC PLUS Certified, 350LBS Capacity for Home Gym HIIT Full Body Workout
This bike is designed for serious HIIT and full-body workouts, supporting up to 350 lbs with its heavy-duty steel frame, similar to the Sunny bike but with dual resistance options and smart app integration. Its 21-inch steel fan offers unlimited air resistance that ramps with your effort, while the magnetic system provides precise control, ideal for warm-ups or steady-state cardio. Its smart app connectivity enhances motivation and tracking, but the added tech may require a learning curve for some users. Its ISCC PLUS certification indicates a focus on eco-friendly, family-safe materials, making it a good choice for shared spaces. However, its advanced features and size may be less suitable for casual exercisers or those with limited space. Best for users who want a durable, eco-conscious, full-body HIIT bike with digital features.
Pros:- Supports up to 350 lbs
- Dual resistance: air and magnetic
- Smart app integration for real-time metrics
- Eco-friendly, family-safe construction
Cons:- Larger footprint
- Higher price point
- Requires some tech setup
Best for: Family-oriented users who want a certified, full-body HIIT bike with smart app support
Not ideal for: Casual users or those with small workout areas due to its size and complexity
- Max User Weight:350 lbs
- Resistance:Air and Magnetic
- App Connectivity:Yes
- Certification:ISCC PLUS
- Dimensions:Not specified
- Material:Steel
Bottom line: Perfect for families or serious fitness enthusiasts wanting a safe, eco-friendly, full-body HIIT bike with smart features.
A2C Rechargeable Treadmill Fan for Peloton Bike & Exercise Bike [4000mAh], Portable Fan with 16.5″ Long Bendable Arm, 3 Speed, 360° Rotation, Accessories for Peloton Fit Bike, Bike+ or Tread [2-Pack]
, Portable Fan with 16.5″ Long Bendable Arm, 3 Speed, 360° Rotation, Accessories for Peloton Fit Bike, Bike+ or Tread [2-Pack]” image=”https://m.media-amazon.com/images/I/81EY2dd5wcL._AC_SY300_SX300_QL70_ML2_.jpg” link=”0″]Best Compact & Portable Fan for HIIT on Peloton and Exercise Bikes
View Latest PriceThis dual-pack of mini fans stands out for its portability and strong airflow, making it an excellent choice for Peloton users who want cooling without bulk. Compared to larger fans like the Sunny Health & Fitness Cross-Training Fan Bike, it offers more flexibility in placement and easier setup, though it lacks the high airflow power for extremely intense sessions. The adjustable, bendable arm and 360° rotation ensure full coverage, while the rechargeable battery supports up to 6 hours of use, perfect for long HIIT intervals. However, its small size means it may not adequately cool larger workout spaces or provide sufficient airflow in very humid conditions. This pick makes the most sense for Peloton owners or indoor cyclists seeking a lightweight, easy-to-move fan.
Pros:- Highly portable and compact, easy to move around
- Rechargeable with long battery life (up to 6 hours)
- Flexible 16.5″ bendable arm and 360° rotation for full coverage
- Simple, cord-free setup
Cons:- Limited airflow power, may not cool large or very humid spaces effectively
- Smaller fans may require multiple units for full-room cooling
- Battery life decreases at higher speeds (about 4 hours on high)
Best for: Peloton or indoor cycling enthusiasts who want a portable, easy-to-install cooling solution during HIIT sessions
Not ideal for: Large home gyms or users needing powerful airflow for sweat-heavy, high-intensity workouts in big spaces
- Power Source:4000mAh rechargeable battery
- Size:4.7 inches diameter
- Number of Speeds:3
- Rotation:360°
- Arm Length:16.5 inches
- Battery Life:Up to 6 hours on low, 4 hours on high
- Mounting:Handlebar wrap
- Weight:Less than 1 lb
Bottom line: Ideal for Peloton and indoor cycling users seeking a lightweight, rechargeable fan for personal cooling during HIIT, but less suited for large or humid spaces.
Wahoo KICKR HEADWIND Heartrate/Speed Controlled Cycling Fan for Indoor Bike Trainers, Stationary/Spin Bikes, Cross Training, Black
This premium fan excels for its intelligent, sensor-based control, making it perfect for serious cyclists doing high-intensity interval training. Unlike the smaller, battery-powered A2C fan, the KICKR HEADWIND pairs seamlessly with speed sensors or heart rate monitors, adjusting airflow dynamically to match effort, which can significantly boost workout realism and motivation. Its wind speeds reach over 30 mph, providing powerful cooling that keeps athletes comfortable during intense sprints and climbs. The fan’s targeted airflow pattern aligns with rider position, unlike generic fans, and the app control offers customizable presets. The main tradeoff is the higher price and larger size, which may be less convenient for small spaces or casual users. This makes it ideal for dedicated indoor cyclists who want a connected, high-performance cooling system.
Pros:- Sensor and app-based automatic fan speed adjustment
- High wind speeds over 30 mph for intense cooling
- Targeted airflow pattern for realistic wind effects
- Multiple preprogrammed speeds and customizable modes
Cons:- Higher price point, less accessible for casual users
- Bulkier and heavier than portable fans
- Requires sensor pairing and app setup
Best for: Indoor cyclists and HIIT enthusiasts with smart trainers wanting an intelligent, app-controlled cooling experience
Not ideal for: Casual riders or those with limited space seeking a simple, portable fan
- Max Wind Speed:Over 30 mph
- Control:Sensor and app-based
- Connectivity:Bluetooth
- Preprogrammed Speeds:4
- Targeted Pattern:Yes
- Size:Approx. 12 x 12 inches
- Weight:Approx. 5 lbs
- Power:AC Adapter
Bottom line: Best for dedicated indoor cyclists seeking an intelligent, adjustable cooling solution integrated with their smart training ecosystem.
Air Bike, Air-Resistance Exercise Fan Bike With Dual Action Handlebars for Home Cardio Workout, Adjustable Indoor Cycling Bike, 330lb Weight Capacity APP Connection Customizable Monitor
This air resistance fan bike is a strong choice for those seeking a full-body workout with adjustable settings and tech features. Unlike the ultra-compact A2C fan, it offers a multi-functional monitor and app connectivity, allowing detailed workout tracking and customization. Its sturdy construction supports up to 330 lbs and features dual-action handlebars for upper and lower body engagement, ideal for HIIT routines involving both muscle groups. The resistance intensifies with effort, providing a natural feel similar to outdoor cycling. The adjustable seat ensures comfort for a range of users. The main downside is its larger footprint and heavier weight, making it less portable than smaller fans. This makes it suitable for users who prioritize comprehensive workouts and tech integration over space-saving.
Pros:- Supports up to 330 lbs with sturdy build
- Full-body workout with dual-action handlebars
- App connectivity for tracking and customization
- Adjustable seat for personalized comfort
Cons:- Larger size and heavier weight reduce portability
- More expensive than basic fans
- Requires space for setup
Best for: Home gym users wanting a durable, full-body HIIT bike with app tracking and adjustable resistance
Not ideal for: Small spaces or casual users needing a lightweight, portable cooling device
- Max User Weight:330 lbs
- Resistance:Air, adjustable
- Connectivity:APP via Bluetooth
- Handlebars:Dual-action
- Monitor:Multi-function with app
- Seat Adjustment:Yes, multiple levels
- Dimensions:Approx. 45″ x 25″ x 44″
- Weight:Approx. 90 lbs
Bottom line: Best for serious home gym users seeking a durable, full-body HIIT bike with tech features and adjustable resistance.
pooboo Exercise Bike, Stationary Bike for Home Gym, Air Resistance Bluetooth Fan Bike w/Dual Acction Handlebars & Dual-Layer Transmission System, Upright AirBike Indoor Cycling Bike for Cardio Workout
This pooboo exercise bike is tailored for users seeking a durable, high-capacity full-body HIIT experience. It supports up to 350 lbs and features a dual-layer transmission system, making it more robust than the smaller A2C or Winfita fans. Its air resistance system increases resistance with effort, perfect for intense intervals, and the dual-action handlebars target both upper and lower body muscles simultaneously. Bluetooth connectivity allows workout tracking and customization, comparable to the more advanced pooboo model. While its size and weight (around 90 lbs) are less portable, this bike offers increased stability and longevity for heavy use. The adjustable seat enhances comfort, and the dual-layer transmission reduces noise, making it suitable for multi-user households.
Pros:- Supports up to 350 lbs with heavy-duty frame
- Dual-action handlebars for full-body engagement
- Bluetooth app connectivity for tracking
- Dual-layer transmission for quieter, smoother operation
Cons:- Heavy and large, less portable
- Higher price point
- Takes longer to assemble
Best for: Heavy users or commercial-grade home gyms needing a very durable, full-body HIIT bike with tech features
Not ideal for: Small apartments or casual users needing portable, space-saving fans
- Max User Weight:350 lbs
- Resistance Mechanism:Air
- Bluetooth Connectivity:Yes
- Handlebars:Dual-action
- Transmission:Dual-layer
- Seat Adjustment:Yes
- Weight:Approx. 90 lbs
- Dimensions:Approx. 45″ x 25″ x 44″
Bottom line: Best for users requiring a strong, durable full-body HIIT bike with technological tracking and high weight capacity.
A2C 4.7-Inch Big Cooling Fan for Peloton Bike Bike+ or Tread, 16.5″ Long Bendable Arm, Rechargeable 4000mAh Battery, 360° Rotation, 3 Speeds, fits Treadmill Exercise Workout Stationary Cycling Bikes
This fan stands out for its flexible 16.5-inch gooseneck arm, allowing precise airflow directed exactly where needed, making it ideal for high-intensity workouts on Peloton bikes or Treadmills. Compared to larger, more stationary fans like the Sunny Health & Fitness model, this option offers unmatched portability and easy attachment to handlebars or treadmill rails. Its rechargeable 4000mAh battery lasts 4-6 hours, ensuring uninterrupted cooling, though it requires full charge before extended use, unlike some USB-powered fans that can run indefinitely when plugged in. It operates quietly with less vortex noise, creating a calm workout environment, but its small size and limited airflow capacity mean it’s less suitable for cooling larger spaces or multiple users simultaneously. This pick makes the most sense for individual HIIT enthusiasts who want targeted, portable cooling without extra bulk.
Pros:- Highly adjustable 360° rotation for precise airflow
- Portable and lightweight design for easy attachment
- Rechargeable battery lasts multiple hours without needing power outlet
- Quiet operation reduces workout distractions
Cons:- Limited airflow capacity for larger spaces
- Battery life may be insufficient for very long sessions
- No smart connectivity or app control
Best for: Individuals doing HIIT workouts on stationary bikes or treadmills who need portable, local cooling.
Not ideal for: Users requiring powerful airflow to cool large workout rooms or group classes, as this fan’s airflow is limited.
- Size:16.5 inches long gooseneck arm
- Battery Capacity:4000mAh
- Run Time:4-6 hours
- Speed Settings:3
- Rotation:360°
- Power Source:Rechargeable battery & USB
- Noise Level:Less vortex noise
- Attachment Type:Handlebar and treadmill compatible
Bottom line: Ideal for solo HIIT practitioners seeking targeted, portable cooling during intense indoor workouts.
Schwinn Airdyne Bike Series
This bike excels for its ultra-quiet operation and smooth, progressive wind resistance that offers infinite challenge levels, making it excellent for high-intensity interval training where consistent effort is key. Unlike the smaller, portable fans like the A2C model, the Schwinn Airdyne provides full-body engagement through its dual-action pedals and handles, ideal for comprehensive HIIT sessions targeting multiple muscle groups. Its RPM gauge helps monitor effort and control intensity precisely, yet its size and weight (over 100 pounds) mean it’s less suitable for small spaces or quick setup. The belt drive system ensures a frictionless, noiseless experience, which can be a significant advantage in shared living or workout spaces. This bike makes the most sense for dedicated home gyms focused on full-body, low-noise cardio training with scalable resistance.
Pros:- Infinite resistance levels for scalable intensity
- Quiet, frictionless belt drive
- Full-body workout with dual-action handles
- RPM gauge for precise effort tracking
Cons:- Heavy and less portable
- Size may be challenging for small spaces
- Higher initial cost
Best for: Home gym users seeking a durable, quiet, full-body HIIT cardio machine with adjustable resistance.
Not ideal for: Users with limited space or those preferring portable equipment for quick, casual workouts, as this requires more room and setup effort.
- Resistance Mechanism:Air resistance
- Weight Capacity:Unknown (likely high)
- Item Weight:Approximately 101 pounds
- Dimensions:45.27″D x 9.84″W x 27.95″H
- Materials:Alloy Steel
- Special Features:Dual action handles, RPM gauge
- Noise Level:Very quiet
- Connectivity:None
Bottom line: Best suited for users committed to full-body HIIT workouts with a focus on durability and quiet operation.
Wenoker Air Bike with Smart APP, ISCC PLUS Certified, Dual Action Handlebar Exercise Bike 350LBS Capacity for Home Gym HIIT Full Body Workout
This air bike stands out for its smart app integration, offering virtual routes, performance tracking, and customizable interval training—features that appeal to tech-savvy HIIT enthusiasts. Its heavy-duty steel frame supports up to 350 pounds, providing stability and durability perfect for intense interval workouts. Unlike the portable A2C fan, this bike delivers full-body engagement with dual motion handles and foot pegs, making it suitable for comprehensive, full-body HIIT routines. The aerodynamic fan blades generate limitless resistance, adapting instantly to effort, while the bi-directional motion ensures scalable challenge. Its large display and app connectivity make it ideal for users who want data-driven workouts and progress tracking. However, the bike’s size and price point are less ideal for space-constrained homes or casual exercisers. This model is best for dedicated users seeking an interactive, full-body HIIT experience with smart features.
Pros:- Smart app integration for virtual routes and tracking
- Supports up to 350 pounds
- Full-body engagement with dual handles and foot pegs
- Unlimited, scalable resistance from aerodynamic fan blades
Cons:- Large footprint, less suitable for small spaces
- Higher cost due to smart features
- Requires smartphone or tablet for full experience
Best for: Tech-enabled HIIT users looking for full-body, interactive workouts with detailed performance tracking.
Not ideal for: Those with limited space or budget seeking simple, non-connected equipment for basic cardio training.
- Weight Capacity:350 lbs
- Materials:Steel alloy
- Dimensions:Approx. 45.27″D x 9.84″W x 27.95″H
- Resistance:Aerodynamic fan with unlimited levels
- Connectivity:Smart app compatible
- Special Features:Dual action handles, foot pegs, app tracking
- User Experience:Full-body, customizable HIIT routines
- Noise Level:Quiet operation
Bottom line: Best for users who want a full-body, tech-enabled HIIT bike with detailed data insights and scalability.
How We Picked
The products in this roundup were selected based on their ability to deliver high-intensity interval training effectively, considering airflow power, resistance adjustability, build quality, and user experience. We prioritized models that offer real-time resistance control, durability under frequent use, and ease of operation. Price range and versatility were also key factors, ensuring options suited to both casual enthusiasts and serious athletes. Our ranking reflects a balance of performance, value, and features that matter most for HIIT workouts, avoiding models with limited airflow or unreliable resistance systems.Factors to Consider When Choosing Best Fan Bike For Hiit Workouts
When choosing the best fan bike for HIIT workouts, it’s important to focus on several key factors that influence workout quality, safety, and long-term satisfaction. Understanding these factors can help you avoid common pitfalls like buying a model with insufficient airflow or poor durability. Here are the main considerations to keep in mind:Airflow Power and Resistance
For HIIT, airflow intensity is critical to keep your workouts challenging and cool. Look for fan bikes with high CFM ratings or powerful fan blades that generate substantial airflow. Resistance systems—whether air, magnetic, or dual—should be adjustable to match your workout intensity and allow for quick changes during intervals. Poor airflow or resistance can lead to overheating or insufficient effort, undermining your HIIT goals.
Adjustability and Control
Effective HIIT relies on precise resistance adjustments and quick responsiveness. Bikes with electronic controls, app integration, or easy manual dials enable seamless transitions between high and low effort phases. Avoid models with limited resistance levels or bulky controls, which can disrupt workout flow and reduce workout effectiveness.
Build Quality and Durability
High-intensity sessions demand sturdy construction; look for models with solid frames, high weight capacities, and quality components. Cheaper bikes may wobble or break down prematurely, especially under frequent use. If you plan more intense workouts, prioritize models with a reputation for durability and reliable resistance systems.
Comfort and Ergonomics
Comfort matters during longer or more intense HIIT routines. Adjustable seats, ergonomic handlebars, and anti-slip pedals help maintain proper form and reduce fatigue. Consider your body size and space constraints when selecting upright versus recumbent designs, as comfort can influence your motivation and consistency.
Additional Features and Price
Extras like built-in monitors, app connectivity, phone holders, and wheels for portability can enhance your workout experience. However, these features often come at a higher cost. Determine which extras add value for your personal routine and budget, and avoid overpaying for bells and whistles that won’t be used often.
Frequently Asked Questions
Is a higher fan speed always better for HIIT workouts?
Not necessarily. While higher fan speeds can provide greater airflow and cooling, they don’t automatically translate into better workouts. The key is having a fan that can produce enough airflow to keep you cool during intense intervals, but also one that can be controlled easily for gradual or rapid adjustments. Look for models with adjustable fan speeds that match your workout intensity and personal comfort levels.
Should I prioritize app connectivity on my fan bike?
App connectivity can enhance your HIIT sessions by offering structured workouts, progress tracking, and real-time resistance adjustments. If you prefer guided routines or want detailed workout analytics, a model with smart app integration adds significant value. However, if you mainly focus on straightforward intervals, a simpler, non-connected bike may suffice and save you money.
Are dual resistance systems worth the extra cost?
Dual resistance systems, combining air and magnetic resistance, often provide smoother and more precise control over workout intensity. They can also offer a broader resistance range, making them suitable for various fitness levels. However, they tend to be more expensive and complex to maintain. If you’re serious about intense HIIT sessions, investing in a dual system can pay off in better control and durability.
Can a budget fan bike still be effective for HIIT?
Yes, but with limitations. Budget models often lack the airflow power or resistance precision of higher-end options, which might mean less effective cooling or difficulty maintaining high effort levels. They can be suitable for beginners or lighter routines but may not withstand frequent, intense HIIT sessions over time. Consider your workout goals and whether investing in a more capable model aligns with your commitment level.
How important is the bike’s weight capacity for HIIT workouts?
Weight capacity is an important factor because it ensures the bike can support your body safely during vigorous effort. A higher capacity also often correlates with sturdier construction, which is crucial for high-impact, high-intensity intervals. If you have a higher body weight or plan to push your workouts hard, selecting a model with a generous capacity can enhance safety and longevity.
Conclusion
For most users seeking a reliable, effective HIIT fan bike, the Sunny Health & Fitness Premium Smart Cross-Training Fan Bike offers a compelling balance of airflow, adjustability, and features, making it the best overall choice. Beginners or those on a budget should consider simpler models like the GYMAX Fan Bike, which still delivers decent airflow and resistance. The Wahoo KICKR HEADWIND stands out for athletes who want precise airflow control and app integration, justifying a higher price. For serious users prioritizing durability and advanced features, the Dual Resistance Air Bike or the Assault Bike provide premium options. Ultimately, your choice should align with your workout intensity, budget, and desired features.
