Our readers keep the lights on and the coffee maker working hard! As an Amazon Associate, I earn from qualifying purchases.
Rolling a heavy solar blanket on and off a 20′ x 40′ pool by hand is the kind of chore that turns a relaxing backyard into a daily workout. An automatic pool cover reel eliminates that grind, letting you retract or deploy a full-size cover with the push of a button — no cranking, no wrestling with wet vinyl, and no skipped cover sessions because you simply didn’t have the energy.
I’m Mohammad Maruf — the founder and writer behind Gardening Beyond. I’ve spent the better part of the last decade analyzing pool and outdoor-product specifications, cross-referencing technical data sheets with thousands of verified owner reports, and studying the engineering trade-offs that separate a reliable motorized reel from one that fails before the first season ends.
This guide breaks down the real-world performance, installation realities, and long-term durability of the leading options so you can confidently pick the right automatic pool cover for inground pool that fits your pool size and your tolerance for maintenance.
How To Choose The Best Automatic Pool Covers For Inground Pools
Selecting the right automatic cover reel comes down to matching its motor power, power source, and physical dimensions to your specific pool setup. The wrong choice means a reel that struggles to lift a wet cover, a battery that dies mid-roll, or a mounting system that doesn’t clear your diving board.
Motor Strength and Cover Weight
The single most important spec is whether the motor can handle your cover’s full weight when it’s waterlogged. A ¼-inch-thick solar blanket on a 20′ x 40′ pool can exceed 80 pounds when saturated. Look for motors rated for at least that load — some budget-friendly units struggle above 60 pounds, while premium models handle the heaviest covers without strain.
Power Source and Safety
Most automatic reels fall into two camps: grid-independent solar-battery units or hardwired electric models. Solar-battery designs eliminate any electrocution risk because there’s no AC power near the water, but they require several hours of direct sunlight to recharge and may struggle in shaded yards or during overcast weeks. Hardwired units offer unlimited run time but need a licensed electrician for installation and a GFCI-protected outlet within code distance of the pool.
Hub Adjustability and Deck Clearance
If your pool has a diving board, a raised sheer descent, or an irregular coping edge, an adjustable hub is essential. Models that let you raise or lower the roller tube from 4 to 9 inches off the deck give you the clearance to fit the cover under obstacles. Fixed-height reels are simpler and often cheaper but may force you to modify your deck or skip certain cover positions.
Remote Range and Manual Override
A remote that stops working at 15 feet is a nuisance on a large pool deck. Look for a specified operating range — 35 feet or more gives you flexibility. Equally important is a manual override: if the battery dies or the motor jams, you need to be able to crank the cover off the pool by hand without disassembling the unit.
Quick Comparison
On smaller screens, swipe sideways to see the full table.
| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| Solar-Lakes 20×40 | Mid-Range | Elderly users, ease of operation | Solar-powered, motorized unit | Amazon |
| Solar-Lakes 21×45 | Mid-Range | Larger pools up to 21′ wide | Solar-powered, 11 lb unit weight | Amazon |
| Pool Boy 1 PB1 | Premium | Durability, 3-year warranty | Adjustable hub 4″-9″ | Amazon |
| iGarden P230 | Premium | Swim current + reel alternative | 1100 GPM, 13.1 ft/s flow | Amazon |
| Aquastrong HEX100 | Premium | Pool heating alternative | 100,000 BTU, 15.8 COP | Amazon |
| VARMINPOOL V35 Ultra 140k | Premium | Large pools up to 42k gallons | 140,000 BTU, 47 dB | Amazon |
| VARMINPOOL V35 Ultra 140k (2nd) | Premium | Heating & cooling, year-round use | 140,000 BTU, IPX4 housing | Amazon |
In-Depth Reviews
1. Solar-Lakes Automatic Motorized Solar Blanket Cover Reel/Roller (20×40)
The Solar-Lakes reel is the rare automatic pool cover that actually simplifies life for the person who needs it most. Verified owners include an 87-year-old woman who reports rolling up a 16-meter cover alone with zero difficulty — that’s the kind of real-world torque spec that matters more than any marketing number. The solar-battery system keeps the unit grid-independent, eliminating electrocution risk near the water.
Installation is genuinely quick: the motorized unit attaches to an existing manual roller in minutes using the included shaft adapter. You do need to supply your own aluminum tube and T-legs (the Vingli brand is confirmed compatible), and the solar panel must face south for several hours of daily charging. The remote works reliably at up to 35 feet, and a manual override lets you crank the cover off if the battery ever runs flat.
Customer service from Gabor and the Solar-Lakes team gets consistent praise for verifying compatibility before purchase and sending upgraded aluminum replacement parts free of charge. A small minority report the solar panel detaching after one season, so checking the mounting screws annually is a prudent habit.
What works
- Effortless one-button operation for elderly or physically limited users
- Truly grid-independent with no AC wiring near the water
- Manual override ensures function even with a depleted battery
What doesn’t
- Roller tube and T-legs are not included — must be purchased separately
- Solar panel can detach in high wind if mounting isn’t reinforced annually
2. Solar-Lakes Automatic Motorized Solar Blanket Cover Reel/Roller (21×45)
This larger sibling of the 20×40 model extends the same solar-powered, grid-independent design to accommodate pools up to 21 feet wide and 45 feet long. The motor handles a wet, thick solar blanket at those dimensions without hesitation — verified owners report it powers through a saturated 20′ x 40′ cover in about one minute.
The unit uses four lithium-ion batteries and includes an AC/DC charger for initial top-off, though normal daily operation relies entirely on the integrated solar panel. Setup takes about seven minutes if you already have a compatible manual reel with the correct aluminum tube and T-legs (not included). Owners suggest placing the legs on a straight edge and keeping the roller parallel to the pool edge to prevent the cover from tracking crooked.
Customer support from the Solar-Lakes team is again a highlight, with multiple reviews describing quick phone, text, and video assistance for minor issues. The one-year prorated warranty is shorter than some competitors, but the lower upfront cost and elimination of electrician fees make this a sound mid-range investment.
What works
- Motor has ample power for wet covers up to 21′ x 45′
- Solar charging eliminates the need for any AC wiring near the pool
- Responsive customer support with detailed setup guidance
What doesn’t
- Roller tube and T-legs must be sourced separately
- Unit has limited weather sealing — not truly waterproof in heavy rain
3. Pool Boy 1 Powered Pool Solar Blanket Reel (PB1)
The Pool Boy 1 is the most robust dedicated automatic cover reel on this list, built with a heavier-duty motor and an adjustable hub that moves from 4 to 9 inches in height. That adjustability is critical for pools with diving boards — you can raise the roller tube high enough to clear the board while still retracting the cover fully. The unit is made in the USA and backed by a three-year prorated warranty, the longest in this category.
Owners with 20′ x 40′ solar blankets report no sagging, smooth winding and unwinding, and reliable one-person operation day after day since 2021. The hub’s height adjustment also helps accommodate standard diving board clearances, though some Grecian-shaped pools may still struggle. The power cord plug is large, and the remote range is roughly 20 feet — shorter than the Solar-Lakes models.
Assembly can take a full day for some users, and the instructions lack specific height guidelines for different deck configurations. A few owners report that the tether clamps cause wrinkles in the cover, and one review describes a dangerous reversing issue that required two people to operate. Despite those edge cases, the vast majority of verified buyers find the Pool Boy 1 a long-lasting, pro-grade solution.
What works
- Adjustable hub (4″-9″) accommodates diving boards and varied deck heights
- Built for daily, long-term use with heavy 20′ x 40′ covers
- Three-year prorated warranty provides strong protection
What doesn’t
- Assembly is complex and can take two days for some users
- Remote control range is limited to approximately 20 feet
4. iGarden P230 Swim Jet for Pool
The iGarden P230 is not a cover reel — it’s a swimming current machine that mounts on your pool coping and generates a powerful, fan-shaped water flow for resistance training. With an 1100 GPM flow rate and a PMSM brushless motor delivering 1.6 HP, it creates a natural swimming current that holds you in place without the narrow, high-pressure jet feel of traditional swim units. The InverTurbo technology and patented internal flow channel push water velocity to 13.1 feet per second.
Five wave modes range from gentle beginner training to high-intensity workouts, and the full inverter drive provides stepless speed control from 0 to 100 percent. The unit operates at roughly 58 dB, quiet enough for conversation on the deck while swimming. Controls include a responsive touchscreen panel, a Bluetooth handheld remote, and a Wi-Fi app (InverFlow) that enables remote scheduling and real-time energy monitoring.
Installation requires a solid coping surface at least 18.7 inches wide, and iGarden offers a free installation service or a deck-drilling solution if you work with a licensed electrician. The 3-year warranty and 30-day risk-free return reduce the risk of a premium investment.
What works
- Wide, even flow feels like real swimming rather than a narrow jet
- Very quiet operation at 58 dB does not disturb backyard conversation
- Multiple control options including Wi-Fi app and Bluetooth remote
What doesn’t
- Requires a wide (18.7-inch) coping surface for installation
- Does not include professional wiring details in the instruction manual
5. AQUASTRONG Inverter Swimming Pool Heat Pump (HEX100)
The AQUASTRONG HEX100 heat pump is a high-efficiency heating solution for pools up to 26,000 gallons. Its full inverter technology and 15.8 COP rating deliver exceptional energy efficiency — owners report raising pool temperatures from 66°F to 90°F over three days while spending only about on electricity during the initial warm-up. Once at the target temperature, the unit maintains it with minimal draw, with typical daily running costs around to .
Dual-mode operation provides both heating (47°F to 104°F) and cooling (47°F to 83°F), extending your swim season through spring and fall. The unit is surprisingly compact and quiet, with a reported noise level of 55 dB. Installation requires a 30-amp or 40-amp breaker and a GFCI, but owners with basic electrical skills report a straightforward DIY setup.
Customer support is responsive — when one faulty unit was shipped, Aquastrong replaced it promptly with a comparable model. The three-year warranty adds confidence, and the Wi-Fi app allows remote temperature adjustments and scheduling.
What works
- Excellent energy efficiency with 15.8 COP and low daily operating cost
- Very quiet (55 dB) and compact footprint
- Dual heating and cooling modes extend swim season significantly
What doesn’t
- Wi-Fi app occasionally disconnects, requiring a breaker reset
- Initial heating from cold pool water requires substantial electricity draw
6. VARMINPOOL V35 Ultra 140,000 BTU Inverter Pool Heat Pump
The VARMINPOOL V35 Ultra delivers a massive 140,000 BTU output, sized for pools up to 42,000 gallons. Its full inverter technology automatically adjusts compressor output based on real-time demand, reducing energy consumption by up to 81% compared to traditional single-speed heaters. The 330-degree 3D evaporator coil enhances heat exchange, allowing faster temperature rise in large bodies of water.
At 47 dB, this unit is exceptionally quiet — you can hold a conversation directly next to the housing without raising your voice. The IPX4-rated, UV-resistant housing is weather-sealed for outdoor installation. Smart Wi-Fi connectivity via an app enables remote temperature control, scheduling, and monitoring. Owners with 28,000-gallon pools in the SF Bay Area report extending their swim season by roughly 50% at 83°F without a major electricity bill increase.
The unit requires a minimum flow rate of 5,200 gallons per hour, so verify that your existing pump can deliver that volume. Some early buyers report that the provided fittings don’t accommodate common above-ground pool pump sizes, so double-check compatibility before purchasing if you have a non-standard setup.
What works
- Massive 140,000 BTU output heats large pools up to 42,000 gallons
- Extremely quiet operation at 47 dB
- Smart Wi-Fi app with scheduling and remote control
What doesn’t
- Incompatible fittings with some common above-ground pool pump setups
- Requires a minimum flow rate of 5,200 GPH for optimal performance
7. VARMINPOOL V35 Ultra 140,000 BTU Pool Heat Pump (Second Unit)
This second VARMINPOOL V35 Ultra offers the same 140,000 BTU inverter capacity as the previous model but is specifically marketed for both heating and cooling, with a capable operating range down to 5°F ambient temperature. That makes it a true year-round solution for climates with cold winters — it can maintain pool temperatures even when the air outside is near freezing.
The unit draws 30 amps at 220-240 volts and requires the same 5,200 GPH minimum flow rate. Owners with a 5,500-gallon pool in Phoenix report heating from 57°F to 104°F over two weeks with a January electric bill increase of only , confirming the inverter’s energy-saving efficiency. Customer service is excellent: when one owner needed replacement o-rings, the company sent them free of charge and followed up to confirm installation success.
Wi-Fi app performance is generally strong, though a few users experience occasional disconnects — the unit continues running its last command even if the app loses connection, so swim schedules aren’t disrupted. A minority of buyers report issues with the unit not powering on initially, but in most cases this is resolved by cycling the breaker or contacting support for user-error troubleshooting.
What works
- Operates reliably in ambient temperatures as low as 5°F
- Excellent customer support with free replacement parts and proactive follow-up
- Very low operating cost even for large temperature increases
What doesn’t
- Wi-Fi app can periodically disconnect from the unit
- Requires careful right-sizing — may not deliver super-fast heating for very cold climates
Hardware & Specifications Guide
Motor Power and Torque
The motor is the heart of any automatic cover reel. Look for a motor rated to handle at least 80 pounds of wet blanket weight for a standard 20′ x 40′ pool. Solar-powered units typically use a lower-torque DC motor that works well with consistent solar charging but may struggle if the battery is partially depleted. Hardwired units (like the Pool Boy 1) use a higher-torque AC motor that delivers more consistent power regardless of weather.
Battery Capacity and Solar Charging
Grid-independent reels rely on a lithium-ion battery pack charged by an integrated solar panel. Full charge requires 4+ hours of direct southern sun exposure daily. If your pool is in a shaded location or you experience consecutive cloudy days, the battery may not hold enough charge for a full deployment-retraction cycle. An included AC/DC charger provides a backup, but the unit loses its grid-independent safety advantage when plugged in.
Roller Tube and T-Leg Compatibility
Most automatic motorized reels are sold as “upgrade kits” that attach to an existing manual roller. This means the aluminum roller tube and stainless T-legs are not included — you must verify compatibility with your current setup. The standard shaft adapter fits tubes with an inner diameter of roughly 1.5 to 2 inches. If you’re starting from scratch, factor the cost of a compatible manual roller package (typically to ) into your total budget.
Remote Control Frequency and Range
Most automatic reels use a radio frequency (RF) remote that operates at 433 MHz. Range varies from 20 feet on the Pool Boy 1 to 35 feet on the Solar-Lakes models. RF signals can pass through thin pool-house walls but may be blocked by metal structures or thick concrete decking. If your pool cover is hard to see from your house, test the remote range before relying on it for daily operation.
FAQ
Can I install an automatic pool cover reel on a Grecian-shaped pool?
How long does the battery last on a solar-powered automatic pool cover reel?
Do I need a licensed electrician to install an automatic pool cover reel?
Final Thoughts: The Verdict
For most pool owners, the automatic pool cover for inground pool winner is the Solar-Lakes 20×40 because it combines grid-independent solar power, effortless one-button operation, and a price that undercuts hardwired competitors while still delivering reliable daily performance. If you want an adjustable hub that clears a diving board, grab the Pool Boy 1 — its 4-to-9-inch height range and three-year warranty make it the most durable long-term choice. And for adding a swimming current or heating system instead of a cover reel, the iGarden P230 swim jet and the VARMINPOOL V35 Ultra heat pump offer premium performance that transforms your pool into a year-round fitness and comfort hub.







