If you’re looking for the 15 best fast-heating pool heaters, I recommend models like portable electric units, immersion heaters, and energy-efficient heat pumps. These options can warm water quickly from small tubs to large pools, with power ratings between 1800W and 35,000 BTU. Safety, durability, and proper capacity match are essential. To find the perfect fit for your needs, I’ll guide you through the top choices and key factors to consider.
Key Takeaways
- Fast-acting electric heaters like 2000W and 3000W models warm small pools in minutes, ideal for quick water heating.
- Gas-powered units with high BTU ratings rapidly heat large in-ground pools for extensive coverage.
- Solar pool heaters offer eco-friendly, cost-effective warming with moderate speed, suitable for sunny climates.
- Waterproof immersion and portable electric heaters provide safe, efficient heating for bathtubs, small pools, and outdoor use.
- Advanced features like thermostats, inverter technology, and automatic shut-off enhance heating speed, efficiency, and safety.
Pool Heater, Portable Water Heater 2000W
If you’re looking for a reliable, portable water heater that heats small volumes quickly, the Pool Heater, Portable Water Heater 2000W is an excellent choice. I find it perfect for inflatables, buckets, or small tanks—warming 5 gallons of water in just minutes. The safety features, like the auto shut-off at 165°F, give me peace of mind, and its durable stainless steel construction resists rust. I always guarantee it’s fully submerged before plugging in to avoid hazards. Its compact design makes it easy to carry around, whether I’m camping, doing chores, or heating water for pets. Plus, the LCD thermometer helps me monitor temperature precisely.
Best For: those needing a portable, efficient water heater for small volumes in outdoor, camping, or household settings.
Pros:
- Rapidly heats 5 gallons of water in minutes with 2000W power.
- Equipped with auto shut-off at 165°F for safety, preventing scalding.
- Durable stainless steel construction resists rust and corrosion.
Cons:
- Must be fully submerged before plugging in to avoid damage or fire hazards.
- Suitable only for small volumes; not ideal for large tanks or continuous use.
- Requires careful monitoring to prevent overheating and ensure safety during operation.
Aquastrong Inverter Pool Heat Pump (35,000 BTU, WiFi Capable)
The Aquastrong Inverter Pool Heat Pump stands out as an excellent choice for pool owners who want fast, efficient heating combined with remote control capabilities. With a powerful 35,000 BTU, it heats pools up to 9,000 gallons quickly and maintains temperatures from 47–104℉. Its inverter technology guarantees high efficiency, saving up to 70% energy compared to traditional heaters, and operates quietly at just 48 dB. Plus, WiFi connectivity lets me control and schedule heating from anywhere via the app. Easy to install with multiple connection options, it’s reliable, versatile, and perfect for extending swimming seasons in comfort and style.
Best For: Pool owners seeking fast, energy-efficient heating with remote control and scheduling capabilities for large pools up to 9,000 gallons.
Pros:
- High heating capacity of 35,000 BTU for quick water warming
- Energy-efficient inverter technology that saves up to 70% energy
- WiFi connectivity allows remote control, scheduling, and energy tracking
Cons:
- Heavier unit at 116.8 pounds, requiring sturdy installation support
- May be overkill for small pools or minimal heating needs
- Requires 115V power and proper connection setup for optimal performance
Immersion Water Heater 1800W, Portable Pool Heater with Thermostat
For those seeking quick and reliable water heating, the Immersion Water Heater 1800W with a thermostat stands out as an excellent choice. It features automatic shut-off and dry-burn protection, ensuring safe operation even when water levels are low. Made with corrosion-resistant stainless steel and reinforced with a durable power cord, it’s built to last. The heater offers precise temperature control via an adjustable thermostat and real-time display, maintaining consistent warmth up to 175°F. Its portable, plug-and-play design makes it ideal for baths, pools, or tanks, providing quick, efficient heat without complicated setup or maintenance.
Best For: individuals seeking a safe, portable, and efficient water heating solution for baths, pools, tanks, or farm chores.
Pros:
- Automatic shut-off and dry-burn protection ensure safe operation.
- Precise temperature control with real-time display and adjustable thermostat.
- Durable construction with corrosion-resistant stainless steel and reinforced power cord.
Cons:
- Limited to 120V outlets, which may not suit all power setups.
- Maximum temperature capped at 175°F, which may not meet all heating needs.
- Requires submersion and careful handling to prevent damage or safety hazards.
Hayward W3H150FDP Pool and Spa Heater
When quick and reliable pool heating matters most, the Hayward W3H150FDP Pool and Spa Heater stands out as a top choice. It heats up pools and spas up to 400 sq. ft. rapidly, with some users noting an increase of about 1.6°F per hour. Its durable cupro nickel heat exchanger resists corrosion, even in challenging water conditions. Designed for efficiency, it reduces pump run time and meets low NOx standards, making it eco-friendly. Easy to operate via front panel controls, it offers consistent performance. While installation can be complex and warranty issues exist, its fast heating capabilities make it a popular choice for quick water warmth.
Best For: homeowners or pool enthusiasts seeking quick, reliable, and eco-friendly heating for in-ground pools and spas up to 400 sq. ft. with durable corrosion resistance.
Pros:
- Rapid heating capability, increasing pool temperature by approximately 1.6°F per hour
- Durable cupro nickel heat exchanger offers excellent corrosion resistance
- Energy-efficient hydraulic design reduces pump run time and operational costs
Cons:
- Installation can be complex and may require professional assistance
- Some users report issues with warranty claims and customer service
- Noise levels and need for additional adapters or wiring can be inconvenient
Pool Heater 11KW 220V Electric Water Heater with Digital Touch Display
If you’re looking to quickly heat small to medium-sized pools or spas, the Pool Heater 11KW 220V Electric Water Heater with Digital Touch Display stands out as a reliable choice. It offers rapid heating for pools up to around 1000 gallons, thanks to its powerful 11KW capacity. The digital touch display makes temperature adjustments easy, and the intelligent control system ensures energy-efficient operation by automatically cycling on and off. Designed for safety with a pressure switch to prevent dry burning, it’s suitable for various applications like spas, Jacuzzis, and above-ground pools. Keep in mind, professional installation is required, as it’s not a plug-and-play unit.
Best For: homeowners or pool owners seeking rapid, energy-efficient heating solutions for small to medium-sized pools, spas, or Jacuzzis up to 1000 gallons.
Pros:
- Rapid heating capacity with 11KW power for quick water temperature increases.
- Easy-to-use digital touch display for precise temperature control.
- Intelligent control system that automatically manages operation, saving energy and ensuring consistent comfort.
Cons:
- Not a plug-and-play unit; requires professional installation by an electrician.
- Does not include cables, plugs, or circulation pump, which must be purchased separately.
- Designed for small to medium pools; may not be suitable for larger swimming pools.
Water Heater for Bathtub and Bucket, 1800W Fast Heating
A 1800W fast-heating water heater designed for bathtubs and buckets offers reliable, quick warmth, making it an ideal choice for households, farms, or emergency situations where rapid water heating is essential. It features automatic shutoff, dry burn prevention, and high-quality stainless steel heating rods that resist corrosion and overheating. The reinforced 14-gauge power cord ensures electrical safety. With adjustable temperature control from 175°F down to 120°F and a built-in LED display, you can easily monitor and set the water temperature. Durable and reliable, this immersion heater is perfect for bathing, winter heating, livestock tanks, or emergency water needs.
Best For: households, farms, and emergency situations requiring quick and reliable water heating for bathtubs, buckets, and small tanks.
Pros:
- Rapid 1800W heating for quick water warming
- Adjustable thermostat with LED temperature display for easy monitoring
- Built-in safety features including automatic shutoff and dry burn prevention
Cons:
- Temperature reading may be approximately 5°F higher than actual due to sensor placement
- Suitable primarily for smaller containers; may not be ideal for large water tanks
- Requires careful handling to avoid electrical hazards, especially in wet environments
Immersion Water Heater Electric, 2000W Portable Water Heater
The Immersion Water Heater Electric, 2000W Portable Water Heater is an excellent choice for anyone who needs quick and efficient water heating in small to medium-sized containers. Operating at 110-125V AC, it can heat up to 5 gallons of water within minutes, making it ideal for bathtubs, buckets, or small pools. Its stainless steel construction includes a protective cover that prevents direct contact with the heating element, enhancing safety. Easy to use—just immerse, plug in, and monitor with the LCD thermometer—it’s lightweight and portable, perfect for outdoor activities like camping or outdoor cleaning. This heater combines speed, safety, and convenience in one compact device.
Best For: individuals needing quick, portable water heating solutions for small to medium-sized containers during outdoor activities, camping, or household tasks.
Pros:
- Fast heating capability, capable of heating 5 gallons of water within minutes
- Safe and durable stainless steel construction with protective cover and cleaning features
- Easy to operate with simple immersion, plug-in setup, and temperature monitoring
Cons:
- Limited to small to medium-sized containers, not suitable for large-scale heating
- Requires a power source with 110-125V AC; not compatible with all outlets or regions
- Potential safety concern if not used properly or if the protective cover is damaged
1800W Pool Water Heater with LCD Thermostat and GFCI Plug
Designed for users seeking quick and safe water heating, the 1800W Pool Water Heater with LCD Thermostat and GFCI Plug offers rapid warmth with minimal fuss. Its powerful 1800W element heats water quickly, making it suitable for inflatable pools, tanks, bathtubs, and even ponds. The easy-to-use LCD thermostat provides precise temperature control within 0.1°C, while the GFCI plug ensures electrical safety. Made of durable stainless steel, it resists corrosion and deformation. With a waterproof design and safety features like overload protection, this heater is perfect for continuous use up to 3 hours, keeping your water warm and safe for various applications.
Best For: homeowners, campers, and pool owners seeking a safe, efficient, and portable water heating solution for various small to medium-sized water sources.
Pros:
- Rapid heating with 1800W power ensures warm water quickly for immediate use.
- Precise temperature control with LCD thermostat within 0.1°C for safety and comfort.
- Durable construction with stainless steel and waterproof design offers long-lasting performance and safety.
Cons:
- Not suitable for simultaneous use on multiple outlets or large-scale heating needs.
- Continuous operation limited to 3 hours, requiring monitoring for extended use.
- Must be fully submerged during use; improper placement can affect heating efficiency.
GRILLME 240V 3000W Waterproof Immersion Water Heater
If you’re looking for a compact, reliable immersion heater for small-scale water heating projects, the GRILLME 240V 3000W Waterproof Immersion Water Heater stands out as a strong option. It’s designed to heat tap water in bathtubs up to 30 gallons or pools up to 200 gallons quickly, raising water temperatures by 50°F in just 30 minutes for a 30-gallon tub. With stainless steel construction and a 13.5-inch length, it’s built to last, but requires careful use—full submersion, proper electrical setup, and regular scale removal are essential. Keep in mind, it’s not suitable for corrosive liquids or large hot tubs, and safety precautions are a must.
Best For: small-scale water heating in bathtubs, spas, or baptismal tanks where quick, reliable heating is needed with careful safety precautions.
Pros:
- Fast heating capability, raising 30 gallons of water by 50°F in 30 minutes
- Durable stainless steel 316L shell offers high corrosion and high-temperature resistance
- Compact size (13.5 inches long) suitable for small to medium-sized containers
Cons:
- Not suitable for large hot tubs or corrosive liquids like seawater or acids
- No built-in GFCI, requiring users to ensure GFCI protection on the outlet
- Risk of plastic melting and safety hazards if water runs dry or heater is used improperly
Goplus Solar Pool Heater for Above Ground Pools
For anyone seeking an eco-friendly, cost-effective way to extend their swimming season, the Goplus Solar Pool Heater for Above Ground Pools offers an excellent solution. Its black coil design absorbs solar energy efficiently, raising the water temperature by 5.4-7.2°F. The transparent dome cover maximizes sunlight penetration while preventing heat loss. Adjustable foldable legs help optimize sun exposure, and wider legs provide stability. You can connect up to three units in series for greater heating capacity. Compatible with above-ground and in-ground pools, it’s easy to install with flexible hose connectors, making it a practical, energy-saving choice for warmer waters without extra electricity costs.
Best For: Pool owners looking for an eco-friendly, cost-effective way to extend their swimming season and efficiently heat their above-ground or in-ground pools.
Pros:
- Efficient solar absorption with black coil design increases water temperature by up to 7.2°F.
- Adjustable foldable legs and wider stability legs optimize sun exposure and stability.
- Compatible with multiple units in series and easy to connect with flexible hose connectors for versatile installation.
Cons:
- Requires a compatible pump (not included) with flow up to 16 GPM for optimal performance.
- Installation may be limited by available sunlight and weather conditions.
- Needs to maintain pressure below 0.8 kPa (35 PSI) for safe operation, which may require monitoring.
11KW 240V Pool Heater for Above Ground Pools
The KW 240V Pool Heater is an excellent choice for above ground pool owners seeking quick and reliable heating. It’s designed for pools up to around 1500 gallons, providing efficient warmth with its rapid heating tubes made of corrosion-resistant 316 stainless steel. The touchscreen control makes adjustments simple and intuitive, allowing precise temperature settings from 22℃ to 50℃. Its automatic cycling system maintains consistent water temperature, stopping heating when the desired level is reached and resuming as needed. Built for durability and efficiency, this heater offers a straightforward way to enjoy warm water anytime, backed by 24/7 customer support.
Best For: above ground pool owners seeking fast, reliable, and energy-efficient heating for pools up to 1500 gallons.
Pros:
- Rapid heating with corrosion-resistant 316 stainless steel tubes for durability and efficiency
- Easy-to-use touchscreen control with precise temperature adjustments from 22℃ to 50℃
- Automatic cycling system maintains consistent water temperature with minimal effort
Cons:
- Suitable mainly for pools up to 1500 gallons, limiting larger pool applications
- May require professional installation for optimal setup and safety compliance
- The heater’s size and power might be overkill for smaller pools or hot tubs, leading to unnecessary energy use
2000W Portable Water Heater with LCD Thermometer
A 2000W Portable Water Heater with LCD Thermometer stands out as an ideal choice for anyone seeking quick, reliable heating on the go. Its compact size—just 10.2 inches long and weighing under a pound—makes it perfect for travel, camping, or daily use. The powerful 2000-watt heating element heats water rapidly, saving you time and energy. Made of durable stainless steel, it’s built for safety and longevity. The LCD thermometer allows precise temperature monitoring, and you simply unplug it once your desired temperature is reached. Its versatility makes it suitable for buckets, bathtubs, inflatable pools, and basins—ideal for outdoor or home use.
Best For: travelers, campers, or anyone needing quick, portable water heating for outdoor or indoor use.
Pros:
- Compact and lightweight design for easy portability and storage
- Rapid heating with a powerful 2000-watt element, saving time and energy
- Durable stainless steel construction ensures safety and long-lasting performance
Cons:
- Must fully submerge in water; not suitable for metal containers
- Cannot be used with multiple heaters plugged into the same socket
- Requires manual unplugging once the desired temperature is reached, which may require attention
Submersible 3000W Water Heater with Temp Control and GFCI
If you’re seeking a reliable, fast-heating solution for various water applications, the Submersible 3000W Water Heater with Temp Control and GFCI stands out. It’s designed for hot tubs, pools, ponds, fish tanks, and even sinks, providing quick, steady heat. The user-friendly control panel and precise sensor keep water temperature within ±0.1°C, making adjustments simple. Safety is a priority, with built-in GFCI protection and waterproof insulation. Made from durable, corrosion-resistant stainless steel, it’s built for long-term underwater use. Its compact, easy-to-clean design ensures maintenance is straightforward, making it a versatile choice for fast, reliable water heating.
Best For: Homeowners, pool and hot tub owners, and aquarium enthusiasts seeking a reliable, rapid water heating solution with precise temperature control and safety features.
Pros:
- Rapid heating with a highly sensitive temperature sensor for quick water warming
- Precise temperature control within ±0.1°C for consistent water temperature
- Built-in GFCI protection and waterproof insulation for enhanced safety during use
Cons:
- Requires a 240V power supply, which may not be available in all locations
- Installation may need some technical knowledge due to electrical components
- Suitable primarily for specific water volumes; larger or commercial applications might need higher capacity units
Hayward W3H400FDN Pool and Spa Heater
For those seeking rapid and reliable heating for large in-ground pools or spas, the Hayward W3H400FDN Pool and Spa Heater stands out as an excellent choice. It offers 400,000 BTUs of natural gas power, quickly raising water temperature by 1.5-2°F per hour for pools up to 1,200 sq ft. Its durable cupro nickel heat exchanger resists corrosion, ensuring longevity even with unbalanced water chemistry. Designed for easy access and straightforward operation, it combines energy-efficient hydraulic design with low NOx emissions, making it environmentally friendly. While installation can be complex, many users appreciate its fast heating, durability, and capacity to extend swimming seasons.
Best For: homeowners with large in-ground pools or spas up to 1,200 sq ft seeking rapid, reliable, and energy-efficient heating solutions.
Pros:
- Delivers powerful 400,000 BTUs for quick water heating, extending swimming seasons.
- Durable cupro nickel heat exchanger offers excellent corrosion resistance and longevity.
- Easy front-panel access and intuitive controls simplify operation and maintenance.
Cons:
- Installation can be complex and costly, often requiring professional assistance.
- Some users report leaks, corrosion, or component failures after several years.
- Warranty support may be limited or delayed if not installed by authorized dealers.
16000 BTU Pool Heat Pump with WiFi Control for Above Ground Pools
The 16,000 BTU Pool Heat Pump with WiFi Control is an ideal choice for above-ground pools up to 5,000 gallons, especially if you want to enjoy precise temperature management from anywhere. It heats water from 59-104°F and cools from 46-82°F, thanks to a high-power compressor and titanium heat exchanger that delivers up to 5KW. With a COP of 4.3, it’s energy-efficient and suitable for both fresh and saltwater. Quiet at just 50dB, it’s easy to install with simple connectors and includes WiFi control, timers, and scheduling. Customers report effective heating, remote management, and a peaceful, multi-season operation.
Best For: homeowners with above-ground pools up to 5,000 gallons seeking energy-efficient, quiet, and remotely controllable heating and cooling solutions.
Pros:
- Energy-efficient with a COP of 4.3, reducing operational costs
- Quiet operation at just 50dB, ideal for peaceful poolside environments
- WiFi control and scheduling for remote management and convenience
Cons:
- Higher cost to operate in colder climates like Alberta
- Proper pool size matching is critical; less suitable for larger pools unless multiple units are used
- Initial setup may face connectivity issues, requiring network adjustments
Factors to Consider When Choosing Fast Heating Pool Heaters
When choosing a fast-heating pool heater, I look at the heating power capacity to guarantee it can warm my pool efficiently. I also consider energy efficiency features to save on costs and prioritize safety and durability for long-term use. Ultimately, I check compatibility with my pool setup and how easy it is to install to make the process smooth.
Heating Power Capacity
Choosing the right fast-heating pool heater depends heavily on its heating power capacity, which is measured in watts or BTUs. This rating directly impacts how quickly the heater can warm your water. Generally, higher wattage or BTU ratings mean faster heating, making them ideal for larger pools or colder climates where rapid temperature increases are necessary. For small to medium-sized pools, a heater with at least 2000W or 35,000 BTUs usually provides efficient and quick warming. If your pool exceeds 10,000 gallons, you’ll need a much more powerful heater—something around 400,000 BTUs or more—to reach your desired temperature within a reasonable time. Matching the heater’s capacity to your pool size guarantees effective heating and energy efficiency.
Energy Efficiency Features
Energy efficiency is a crucial factor to contemplate because it directly affects your long-term operating costs and environmental impact. Modern pool heaters use inverter technology and advanced heat exchange systems to cut down power consumption. Features like adaptive frequency conversion and variable speed compressors can save up to 70% energy compared to traditional models. Programmable timers and remote controls help optimize heating schedules, reducing energy waste. High COP ratings indicate better efficiency, meaning more heat output for less electricity. Additionally, good insulation and solar integration can further boost efficiency by minimizing heat loss and harnessing renewable energy sources. Choosing a heater with these features ensures you enjoy warm water quickly without skyrocketing energy bills or harming the environment.
Safety and Durability
Safety and durability are essential considerations because a reliable heater protects your family and prolongs the unit’s lifespan. I look for models with built-in safety features like automatic shut-off, dry-burn protection, and GFCI circuit breakers to prevent electrical hazards. Choosing heaters made from corrosion-resistant materials such as stainless steel or cupro nickel guarantees they withstand exposure to water, chemicals, and the environment. I also prioritize units with durable components, reinforced wiring, and safety guards that can handle repeated use and harsh conditions without failing. Additionally, I verify that the heater has undergone rigorous safety testing and holds relevant certifications, confirming its long-term reliability. Regular maintenance, including cleaning and safety checks, helps keep the heater safe and functional over time.
Compatibility With Pools
Selecting a heater that fits your pool isn’t just about speed; it’s about ensuring compatibility with your specific setup. First, I check if the heater’s capacity matches my pool size—smaller units work well for pools up to 1,000 gallons, while larger heaters are necessary for bigger pools. I also verify if the heater suits my pool type, whether above-ground, in-ground, or inflatable. Ensuring the voltage and power requirements align with my electrical system prevents installation headaches. I look at connection options, like hose adapters or piping compatibility, for easy integration. Ultimately, I consider whether the heater can operate efficiently in my climate and water chemistry, so I get safe, effective heating without surprises. Compatibility is key to a hassle-free, warm swimming experience.
Ease of Installation
When choosing a fast-heating pool heater, I focus on how easy it is to install, since a complicated setup can cause delays and extra costs. I look for models with clear, detailed instructions to guarantee proper installation and safety compliance. If electrical wiring or gas connections are involved, I consider whether professional help is needed, as this can increase expenses. Compatibility with my pool’s size and type is essential, so I verify that mounting, plumbing, and power requirements match my setup. I also prefer heaters with accessible control panels, filters, and maintenance areas for easy servicing. Finally, I check if the heater includes all necessary mounting hardware and connection components, which simplifies installation and helps avoid additional expenses.
Cost and Operating Expenses
Considering how quickly a pool heats up is important, but I also need to think about the ongoing costs of running a heater. The initial price varies widely—from budget models around $100 to high-end units over $10,000—so affordability is key. Operating costs depend on power consumption: electric heaters typically cost between $0.15 and $0.50 per hour, depending on local electricity rates. Gas heaters, like propane or natural gas, may have higher fuel costs but can heat pools faster, potentially lowering total energy expenses. Energy-efficient features, such as inverter technology or programmable thermostats, help cut costs by optimizing power use. Durable units with good warranties also reduce repair and maintenance expenses, making long-term operation more economical.
Frequently Asked Questions
How Energy-Efficient Are Fast-Heating Pool Heaters?
Fast-heating pool heaters can be quite energy-efficient, especially models with advanced features like programmable timers and digital controls. I’ve found that they heat water quickly without wasting much energy, but they do consume more power during operation. To maximize efficiency, I recommend choosing a heater suited to your pool size and using it only when needed. Proper insulation also helps reduce energy consumption and keeps the water warm longer.
What Safety Features Should I Look for in These Heaters?
When choosing a fast-heating pool heater, I look for safety features like automatic shut-off to prevent overheating, a reliable thermostat for consistent temperature control, and a grounded electrical connection for safety. It’s also smart to check for leak detection systems and corrosion-resistant materials. These features give me peace of mind, knowing I can enjoy my pool without worrying about potential hazards or malfunctions.
Can These Heaters Be Used in Saltwater Pools?
Yes, many fast-heating pool heaters are suitable for saltwater pools, but you need to verify the manufacturer’s specifications first. I always look for models specifically designed with corrosion-resistant materials, like titanium or high-grade stainless steel, to guarantee longevity. Using the right heater helps prevent damage from salt, keeps your pool water warm efficiently, and extends the unit’s lifespan. So, double-check those details before making your purchase!
How Quickly Can I Expect My Pool to Warm Up?
You can typically expect your pool to warm up within 1 to 3 hours, depending on the heater’s power and your pool size. I’ve found that a high-quality, fast-acting heater can markedly cut down wait times, especially on cooler days. Keep in mind, larger pools or colder water temperatures might extend this timeframe slightly. Overall, these heaters are designed to get your water comfortable quickly.
Are Portable Heaters Suitable for Large Above-Ground Pools?
Portable heaters can work for large above-ground pools, but their effectiveness depends on the size of the pool and the heater’s capacity. I’ve found that small portable heaters might struggle to warm bigger pools efficiently. For larger pools, I recommend more powerful, stationary units designed specifically for bigger water volumes. If you choose portable, get one with a high BTU rating and keep in mind it might take longer to heat the entire pool.
Conclusion
Choosing the right pool heater is like finding the perfect balance—speed versus efficiency, technology versus simplicity. While a quick warm-up saves you time, a reliable heater guarantees your pool stays cozy all season. Sometimes, rushing to heat your water can mean sacrificing durability; other times, a slow approach leaves you waiting in the cold. By weighing these factors, you’ll find a heater that warms your water fast and lasts through countless relaxing dips.
