> ## Content Index > Fetch the complete content index at: https://udiwg.org/llms.txt > Use this file to discover other available public pages before exploring further. # Best Gas Hot Tub: Raypak PR106AENC Leads - URL: https://udiwg.org/best-gas-hot-tub/ - Published: 2026-09-07T07:32:59.000Z - Updated: 2026-09-07T09:49:27.000Z - Description: One true gas heater, three plug-and-play spas, and three accessories that make either one liveable. Here is how the shortlist actually splits. - Author: Dane Jones - Tags: Pools, Hot Tubs & Supplies, Hot Tubs, Outdoor Living The best gas hot tub setup on Amazon right now is built around the **Raypak PR106AENC**, a 105,000 BTU natural gas pool and spa heater rated for elevations from 0 to 4,999 ft. It is the only true gas-fired unit in this set, so if you already have a gas line and a spa or above-ground pool to heat, it is the pick. The runner-up is the **Lifesmart 4-Person Plug & Play 13-Jet Hot Tub**, a self-contained 110V spa for buyers who do not have gas plumbed to the patio and never will. In this guide 1. [How this shortlist was cut down](#how-this-shortlist-was-cut-down) 2. [Best gas hot tub at a glance](#best-gas-hot-tub-at-a-glance) 3. [What actually counts as a gas hot tub?](#what-actually-counts-as-a-gas-hot-tub) 4. [1\. Raypak PR106AENC 105 — Best overall](#1-raypak-pr106aenc-105-%E2%80%94-best-overall) 5. [2\. Lifesmart 4-Person Plug & Play 13-Jet Hot Tub — Best premium](#2-lifesmart-4-person-plug-play-13-jet-hot-tub-%E2%80%94-best-premium) 6. [3\. Coleman SaluSpa Miami Energy-Efficient AirJet 2-4 Person — Best for beginners](#3-coleman-saluspa-miami-energy-efficient-airjet-2-4-person-%E2%80%94-best-for-beginners) 7. [4\. Jocisland 2 Person Outdoor Hot Tub — Best for heavy use](#4-jocisland-2-person-outdoor-hot-tub-%E2%80%94-best-for-heavy-use) 8. [5\. Coleman SaluSpa Hawaii Energy-Efficient 4-6 Person — Best for families](#5-coleman-saluspa-hawaii-energy-efficient-4-6-person-%E2%80%94-best-for-families) 9. [6\. Utheer Hot Tub Cover Lift Adjustable U-Arms Spa Cover — Most versatile](#6-utheer-hot-tub-cover-lift-adjustable-u-arms-spa-cover-%E2%80%94-most-versatile) 10. [7\. JADSOrBoBi 2 Pack 71794 Gas Spring Cover Lifter — Best budget pick](#7-jadsorbobi-2-pack-71794-gas-spring-cover-lifter-%E2%80%94-best-budget-pick) 11. [Gas heater or plug-and-play spa: which fits your yard?](#gas-heater-or-plug-and-play-spa-which-fits-your-yard) 12. [How much soaking space do you really need?](#how-much-soaking-space-do-you-really-need) 13. [What the listings will not tell you about running costs](#what-the-listings-will-not-tell-you-about-running-costs) 14. [Which accessories are worth adding on day one?](#which-accessories-are-worth-adding-on-day-one) 15. [The verdict](#the-verdict) 16. [FAQ](#faq) ## How this shortlist was cut down Three picks were cut before the six that remain. I ruled out any listing that heated only above a fixed elevation, any spa without a clear seating count, and any accessory that did not name the covers or spa models it fits. That left one dedicated gas heater, three self-contained electric spas, one hard-shell acrylic spa, and two cover lifters. The reason for that mix matters. A search for the best gas hot tub returns very few actual gas-fired spas on Amazon, because most residential hot tubs on the platform are 110V or 220V electric. The Raypak is the only unit here that burns natural gas. The rest earn their place because a real hot tub decision usually ends with a plug-and-play spa or a big inflatable, and the two cover lifters solve a problem every owner runs into within the first month. - One dedicated gas heater: the Raypak PR106AENC at 105,000 BTU. - Three plug-and-play spas: Lifesmart four-person, Coleman SaluSpa Miami two-to-four, Coleman SaluSpa Hawaii four-to-six. - One hard-shell acrylic spa: Jocisland two-person with 15 stainless jets. - Two cover lifters: Utheer U-arm and JADSOrBoBi replacement gas springs. Cutting to this six means every entry here is either the best gas hot tub option in the strict sense, a viable alternative when gas is not an option, or a part that keeps the tub usable through winter. ## Best gas hot tub at a glance | Pick | Heat source | Capacity | Price | | ------------------------------------------------------------------------------------------------------------- | --------------------------------- | ----------------------------------------------------- | ---------------------------------------------------------------- | | **Best overall**[Raypak PR106AENC 105](https://www.amazon.com/dp/B00T8OA69E?tag=udiwg-20) | Natural gas, 105,000 BTU | Pool or spa, up to 4,999 ft | [Check Price](https://www.amazon.com/dp/B00T8OA69E?tag=udiwg-20) | | **Best premium**[Lifesmart 4-Person Plug & Play](https://www.amazon.com/dp/B08C7XBH4T?tag=udiwg-20) | 110V/115V electric | 4-person, 13 jets | [Check Price](https://www.amazon.com/dp/B08C7XBH4T?tag=udiwg-20) | | **Best for beginners**[Coleman SaluSpa Miami](https://www.amazon.com/dp/B0FWGTWC8T?tag=udiwg-20) | Electric, inflatable | 2-4 person, 120 bubble jets | [Check Price](https://www.amazon.com/dp/B0FWGTWC8T?tag=udiwg-20) | | **Best for heavy use**[Jocisland 2 Person Outdoor Hot Tub](https://www.amazon.com/dp/B0GK8WN39V?tag=udiwg-20) | 110V electric, acrylic shell | 2-person, 15 stainless jets | [Check Price](https://www.amazon.com/dp/B0GK8WN39V?tag=udiwg-20) | | **Best for families**[Coleman SaluSpa Hawaii](https://www.amazon.com/dp/B0FWKV4ML7?tag=udiwg-20) | Electric, inflatable | 4-6 person, 140 bubble jets | [Check Price](https://www.amazon.com/dp/B0FWKV4ML7?tag=udiwg-20) | | **Most versatile**[Utheer Hot Tub Cover Lift](https://www.amazon.com/dp/B0FZQFS7W7?tag=udiwg-20) | Gas-assist U-arm lifter | Fits 32 to 43.5 in widths | [Check Price](https://www.amazon.com/dp/B0FZQFS7W7?tag=udiwg-20) | | **Best budget pick**[JADSOrBoBi 71794 Gas Springs](https://www.amazon.com/dp/B0G5P6918W?tag=udiwg-20) | 60-lb, 20 in gas springs (2-pack) | Hot Spring, Caldera, Limelight, Hot Spot, Tiger River | [Check Price](https://www.amazon.com/dp/B0G5P6918W?tag=udiwg-20) | ## What actually counts as a gas hot tub? A gas hot tub is a spa or pool heated by a natural gas or propane burner rather than an electric element. The heater is a separate box, plumbed inline with the spa's circulation loop and vented outdoors. That is why the best gas hot tub on this list is not a whole tub, it is a heater. The tub is whatever shell you attach it to. The advantage is raw heat output. Gas burners are rated in BTUs, and even a modest residential unit measures its output in six figures. Electric plug-and-play spas share a household circuit with everything else in the yard and top out at 104 °F recovery times measured in hours, not minutes. The catch is installation. Gas heaters need a gas line, a vent path, clearance from combustibles, and in most jurisdictions a permit. That is not a weekend project. If you already have a gas grill piped in, you are closer than most. If not, budget a plumber before you budget a spa. ## 1\. Raypak PR106AENC 105 — Best overall **The only true gas hot tub heater in this shortlist, rated for 105,000 BTU on natural gas and sized for above-ground pools and spas at up to 4,999 ft elevation.** [![Raypak PR106AENC natural gas pool and spa heater — the only true gas hot tub heater in this shortlist](https://m.media-amazon.com/images/I/31QyhblKFVL._SL500_.jpg)](https://www.amazon.com/dp/B00T8OA69E?tag=udiwg-20) **Best for:** owners pairing a spa or above-ground pool with a natural gas line under 5,000 ft elevation **Skip it if:** you have no gas line and no plumber lined up The Raypak sits on a 16 x 30 x 27 in footprint, so it is compact enough to tuck against a wall next to a spa pad. Raypak states polymer headers to prevent rust stains on the pool or spa surface, an all-copper-fin-tube heat exchanger extruded from a single piece, and a design that delivers uninterrupted heating in wind, rain, sleet and snow without needing fans to combat drafting problems. Those are the manufacturer's claims and worth reading in full on the listing. What the specifications actually tell you: 105,000 BTU is enough thermal output to hold a small spa at 104 °F through cold weather, or bring an above-ground pool up several degrees over a long afternoon. That is a class of performance no 110V plug-and-play spa in this set can match. The heater trades price position for capability. It is the second-priciest pick here, only one seller lists it, and it needs gas plumbing plus a permit in most areas. Against every other pick in this set, it is the only one that heats big water quickly. **Pros:** - 105,000 BTU natural gas output for real recovery speed - Rated for elevations from 0 to 4,999 ft - Polymer headers claimed to resist rust staining - Compact 16 x 30 x 27 in cabinet - All-copper-fin-tube heat exchanger **Cons:** - Needs a plumbed gas line and outdoor venting - Not a complete tub, only the heater - Only one seller lists it - Elevation ceiling of 4,999 ft rules out mountain installs [Check Price on Amazon](https://www.amazon.com/dp/B00T8OA69E?tag=udiwg-20) ## 2\. Lifesmart 4-Person Plug & Play 13-Jet Hot Tub — Best premium **A 4-person hard-shell spa with 13 jets and a thermal cover, running from a standard 110V outlet with no electrician required.** [![Lifesmart 4-person plug-and-play hot tub in taupe — a hard-shell alternative when gas is not an option](https://m.media-amazon.com/images/I/31y0MAvxYNL._SL500_.jpg)](https://www.amazon.com/dp/B08C7XBH4T?tag=udiwg-20) **Best for:** buyers who want a hard-shell four-seat spa with 13 jets and no gas hookup **Skip it if:** you specifically need gas-fired heating for a large pool or spa The Lifesmart is the most expensive pick here and the only four-seat hard-shell in the set. It weighs 270 lb dry, ships as model FF-SMPLCTY, and plugs into a 110V/115V outlet. Lifesmart says the seating is four bucket seats with jets placed for balanced coverage, a 1 HP pump drives the 13 jets with adjustable air control, and full foam insulation plus the included thermal locking cover reduce heat loss. There is also a multi-colour underwater LED and built-in cup holders. Read the specifications side by side and this is the spa on the list closest to a permanent installation. It seats twice as many adults as the Jocisland, uses a hard shell rather than inflatable walls, and does not need a 220V circuit. The trade-off is heat output. On 110V, recovery after a soak is slow compared with a gas-heated setup, and running it in freezing weather is expensive. Against the Raypak, it wins on convenience and loses on raw heating power. Against the Coleman inflatables, it wins on build quality and loses on portability. **Pros:** - 4-person seating with 13 jets - 1 HP pump with adjustable air control - Standard 110V/115V outlet, no electrician stated as required - Full foam insulation plus thermal locking cover - Multi-colour underwater LED **Cons:** - The most expensive pick in this set - Electric heating recovers slowly against a gas unit - 270 lb dry weight makes placement a one-shot decision - Only one seller lists it [Check Price on Amazon](https://www.amazon.com/dp/B08C7XBH4T?tag=udiwg-20) ## 3\. Coleman SaluSpa Miami Energy-Efficient AirJet 2-4 Person — Best for beginners **A 71 x 71 in inflatable spa with 120 bubble jets, sized for two to four adults and pitched at first-time hot tub owners.** [![Coleman SaluSpa Miami inflatable hot tub — an entry-level pick for testing hot tub ownership](https://m.media-amazon.com/images/I/41ie0Z3-feL._SL500_.jpg)](https://www.amazon.com/dp/B0FWGTWC8T?tag=udiwg-20) **Best for:** first-time hot tub owners testing the water on a patio **Skip it if:** you want a permanent hard-shell that stays up for a decade The Miami measures 26 x 71 x 71 in, ships as model 90557E in black, and holds two to four adults. Coleman says it uses 120 bubble jets, insulated walls and cover that are up to 40% more energy-efficient than similar tubs, MaxHold fabric internal beams for stability, a Freeze Shield system that protects the pump and liner in cold weather, and a digital panel that heats water up to 104 °F. Those are the manufacturer's claims. The reason this is the beginner's pick is the price position. It is the third-cheapest pick here and the cheapest actual tub, which lowers the cost of finding out whether you will actually use a hot tub three nights a week or three nights a year. It also sells faster than most of the set, so replacement parts and community troubleshooting are easy to find. The trade-off against the Lifesmart and Jocisland is durability. Inflatable walls puncture, and the pump is the single point of failure. If you know you will still be soaking in five years, the hard-shell picks age better. **Pros:** - 120 bubble jets across a 71 x 71 in footprint - Insulated walls and cover claimed 40% more efficient - Freeze Shield claimed to protect pump and liner - Digital panel heats to 104 °F - Sells faster than most of this set **Cons:** - Inflatable construction, not a hard shell - Air jets only, no hydrotherapy water jets - Weight not published on the listing - Pump doubles as heater and single point of failure [Check Price on Amazon](https://www.amazon.com/dp/B0FWGTWC8T?tag=udiwg-20) ## 4\. Jocisland 2 Person Outdoor Hot Tub — Best for heavy use **A 27.4 x 68.9 x 45.1 in acrylic two-person spa with 15 stainless-steel jets, a waterfall feature and colour-changing LEDs, running on 110V.** [![Jocisland two-person acrylic hot tub in charcoal gray — hard-shell build for nightly soakers](https://m.media-amazon.com/images/I/31noozpklPL._SL500_.jpg)](https://www.amazon.com/dp/B0GK8WN39V?tag=udiwg-20) **Best for:** couples soaking most evenings who want stainless jets and acrylic build **Skip it if:** you need seating for more than two adults The Jocisland weighs 291 lb and is the heaviest tub on the list. It ships as model SPA001 in charcoal gray with a protective cover and two filters, one in use and one spare. Jocisland says the 15 stainless-steel jets target the back, shoulders and legs, the acrylic shell and waterproof panels resist corrosion from moisture, chemicals and sunlight, and the double-lounge layout adds waterproof headrests. Colour-changing LEDs and a waterfall feature complete the setup. Two things earn it the heavy-use label. First, stainless-steel jets outlast the plastic nozzles common in inflatable spas, which is what fails first when a tub is used nightly. Second, acrylic shells clean more easily than vinyl liners, and cleaning frequency rises fast with heavy use. The obvious trade-off is capacity. Two adults means two adults, so if the household is four, this is the wrong shape. The other trade-off is against the Raypak: on 110V, the Jocisland heats and recovers on electric-only timelines, which is slower than a gas heater on a comparable water volume. **Pros:** - 15 stainless-steel jets aimed at back, shoulders and legs - Acrylic shell rated for corrosion resistance - Two filters included, one spare - Waterproof headrests and integrated controls - LED lighting and waterfall feature **Cons:** - 2-person capacity only - 291 lb dry weight makes moves difficult - 110V heating recovers slower than gas - Only one seller lists it [Check Price on Amazon](https://www.amazon.com/dp/B0GK8WN39V?tag=udiwg-20) ## 5\. Coleman SaluSpa Hawaii Energy-Efficient 4-6 Person — Best for families **A larger inflatable at 28 x 71 x 71 in with 140 bubble jets and Bestway Connect app control, sized for four to six people.** [![Coleman SaluSpa Hawaii inflatable hot tub in gray — the family-sized option with app control](https://m.media-amazon.com/images/I/41iskJV-FoL._SL500_.jpg)](https://www.amazon.com/dp/B0FWKV4ML7?tag=udiwg-20) **Best for:** households of four to six who want app control and a big footprint **Skip it if:** your patio is under six feet wide The Hawaii is the Miami's bigger sibling. Same 71 x 71 in footprint on the shell, taller at 28 in, and rated for four to six people rather than two to four. Coleman claims 140 bubble jets, the same MaxHold fabric beams and 40% energy-efficient insulation, and compatibility with the Bestway Connect app for temperature, timer, filter and massage control from a phone. It ships as model 90558E in gray. The digital panel again heats to 104 °F. For a family of four to six, this is the middle path between an inflatable's price and a hard-shell's install effort. It is the mid-priced pick in the set and sells faster than every other tub here, which means both plenty of demand and easy access to parts. The trade-off against the Miami is capacity for durability: more people means more wear on the same fabric wall. The trade-off against the Lifesmart is build quality: inflatable versus foam-insulated hard shell. Choose it when household size decides the answer. **Pros:** - 140 bubble jets across a 71 x 71 in shell - Rated for four to six people - Bestway Connect app for temperature and timer - Sells faster than every other tub on this list - Digital panel heats to 104 °F **Cons:** - Inflatable walls, not acrylic - App reliability depends on home Wi-Fi - Weight not published on the listing - Air jets only, no dedicated hydrotherapy jets [Check Price on Amazon](https://www.amazon.com/dp/B0FWKV4ML7?tag=udiwg-20) ## 6\. Utheer Hot Tub Cover Lift Adjustable U-Arms Spa Cover — Most versatile **A gas-assist U-arm cover lifter with a base-mounted bracket that adjusts to spa widths from 32 to 43.5 in without drilling into the cabinet.** [![Utheer U-arm spa cover lifter in black — adjustable, drill-free installation](https://m.media-amazon.com/images/I/41hB5TvRQyL._SL500_.jpg)](https://www.amazon.com/dp/B0FZQFS7W7?tag=udiwg-20) **Best for:** any owner tired of wrestling a soaked cover off a square or rectangular spa **Skip it if:** your cover already has a working lifter The Utheer measures 28 x 37 x 28 in folded, weighs 20.2 lb, and adjusts to fit spa widths from 32 to 43.5 in. Utheer says the lifter uses a gas-assist mechanism operable with one hand, a base-mounted bracket system that avoids drilling into the cabinet, and a fold-inward design that keeps deck space clear when the tub is open. It is pitched as fitting round, square and rectangular spas. Why this is on a gas hot tub list at all: whichever tub you buy, a wet cover weighs 40 to 60 lb. Removing it twice a day by hand wears out fast, and a torn cover destroys the efficiency numbers a manufacturer just quoted you. The Utheer works with the Lifesmart or Jocisland here, and with most aftermarket spas up to 43.5 in wide. Against the JADSOrBoBi springs below, this is the full-lifter option for buyers who do not already own a lifter frame. The trade-off is that it takes floor space around the tub that a strap-on hinge would not. **Pros:** - Adjustable to spa widths from 32 to 43.5 in - Base-mounted bracket, no drilling stated as required - Gas-assist opening from the manufacturer's claim - Folds inward when not in use - Three sellers list it **Cons:** - Only fits spas up to 43.5 in wide - Needs floor clearance behind the tub - Not compatible with round spas larger than the U-frame limit - 20.2 lb frame adds weight to the setup [Check Price on Amazon](https://www.amazon.com/dp/B0FZQFS7W7?tag=udiwg-20) ## 7\. JADSOrBoBi 2 Pack 71794 Gas Spring Cover Lifter — Best budget pick **A 2-pack of 60-lb, 20 in gas springs sold as a direct replacement for the 71794 shocks on Hot Spring, Hot Spot, Limelight, Caldera and Tiger River spa cover lifters from 1994 to present.** [![JADSOrBoBi 71794 replacement gas springs — the fix when an existing cover lifter loses its lift](https://m.media-amazon.com/images/I/31B-roL+MUL._SL500_.jpg)](https://www.amazon.com/dp/B0G5P6918W?tag=udiwg-20) **Best for:** Hot Spring, Caldera, Limelight, Hot Spot or Tiger River owners with a tired cover lifter **Skip it if:** your spa is not on that compatibility list The JADSOrBoBi is the cheapest of the seven picks here and the narrowest in scope. Two 20 in gas springs rated at 60 lb each, sold as a direct 71794 replacement. The listing says they fit Hot Spring Highlife, Hot Spot, Limelight, Caldera and Tiger River spa models from 1994 to present, snap onto the existing ball-stud mounts without removing brackets or the entire lifter, and should be replaced in pairs so both sides balance. If you own one of those brands, this is the fifteen-minute fix that restores a cover lifter that has started sagging. If you do not, it is the wrong part. That is the whole review, and it is why it earns the budget label instead of anything grander. Against the Utheer lifter, this is a repair, not an install. Against every tub in the set, it is not a tub, it is a way to keep an existing one usable. Check the compatibility list first, then buy in pairs. **Pros:** - 2-pack sized for a balanced replacement - Direct fit for the 71794 spec - Named compatibility across five spa brands - Snap-on installation with no bracket removal - The cheapest pick in this set **Cons:** - Only fits the named Watkins-family spas - 60 lb, 20 in size will not suit heavier custom covers - Not a lifter on its own, only springs - Only one seller lists it [Check Price on Amazon](https://www.amazon.com/dp/B0G5P6918W?tag=udiwg-20) ## Gas heater or plug-and-play spa: which fits your yard? The decision splits along one line: is there a gas line to the patio? - If **yes**, and you already own or are buying a shell or above-ground pool, the Raypak PR106AENC is the best gas hot tub option here. 105,000 BTU heats water faster than any 110V electric coil in this list. - If **no**, and installing gas plumbing is out of scope, buy a plug-and-play spa and stop searching for a gas hot tub. The Lifesmart four-person hard shell, the Jocisland acrylic two-seater, or one of the Coleman inflatables will heat to 104 °F on a standard outlet. - If **maybe**, get a plumber to quote the gas run before you commit. A short run under a deck is manageable; a run across a lawn to a detached patio is not. Elevation is the other cutoff. The Raypak is rated 0 to 4,999 ft. Above that, this specific model is not the right unit, and the electric picks become the only options on this list. ## How much soaking space do you really need? Capacity is the number most buyers overestimate. Bigger tubs cost more to fill, more to heat, and more to treat with chemicals. They also weigh more when full of water, which matters on decks. Match tub to household honestly: 1. **One or two adults**, most soaks solo: the Jocisland two-person is the right size. Two seats, 15 stainless jets, acrylic shell. 2. **Two to four adults**, occasional guests: the Coleman SaluSpa Miami at 71 x 71 in with 120 bubble jets is the pragmatic pick. 3. **Three to four adults**, most soaks together: the Lifesmart four-person hard shell with 13 jets and full foam insulation is built for the load. 4. **Four to six people**, family use with kids in and out: the Coleman SaluSpa Hawaii at 28 x 71 x 71 in and 140 bubble jets is the only pick in the set rated that high. 5. **Any size, but the water volume is large enough that electric recovery is too slow**: the Raypak PR106AENC. This is where gas earns its keep. The 71 x 71 in footprint on both Coleman tubs matters for planning. Add at least 24 in of clearance on the access side and 12 in on the others. If your patio is 72 in wide, you cannot fit either. ## What the listings will not tell you about running costs Every listing here talks about energy efficiency in relative terms. None of them publishes a monthly running-cost figure, and neither will I, because the number depends on your climate, your local utility rates and how often you actually soak. What you can count on, from the specifications given: - A 110V/115V plug-and-play spa shares its circuit with everything else on that outlet. Running the heater and the jets together can trip a breaker on a shared line, so treat any electric pick here as needing its own outlet. - Foam-insulated hard shells like the Lifesmart lose less heat overnight than inflatable walls. That is the claim Lifesmart makes, and it lines up with how the two shell types actually behave. - A 105,000 BTU gas heater like the Raypak does its work in short, intense bursts rather than the long-cycling recovery of an electric coil. Fuel cost scales with runtime, and runtime scales with heat loss, which is where the cover comes in. - A torn or waterlogged cover erases most of the efficiency claims in these listings. That is why both cover-lifter picks made the shortlist. If you want a rough sense of scale, ask your utility for the therm rate for gas and the kWh rate for electric, and compare. Do not budget from a review site's national average. ## Which accessories are worth adding on day one? Two of the seven picks here are cover accessories, and that is deliberate. Ask a spa owner what wore out first and the answer is almost never the tub. It is the cover, the cover lifter, or the springs on the cover lifter. Plan for that on day one. - **If your spa did not ship with a lifter**, the Utheer U-arm at 20.2 lb is the versatile pick, adjustable from 32 to 43.5 in and drill-free. - **If you own a Hot Spring, Caldera, Limelight, Hot Spot or Tiger River spa with a lifter that has lost its lift**, the JADSOrBoBi 71794 2-pack is the direct fix, and the cheapest item on this list. - **If your spa has a lifter that is neither of the above**, note the model number stamped on your existing shocks before you shop. Cover-lifter gas springs are not interchangeable across brands. Two more things worth having from the start, even though they are not on this list: a floating chemical dispenser and a submersible pump for draining. Neither is a tub, but both are the difference between a spa you use and a spa you neglect. ## The verdict For most buyers the phrase "best gas hot tub" resolves in one of two ways. **If you have gas already**, buy the Raypak PR106AENC. 105,000 BTU on natural gas, elevations rated up to 4,999 ft, a 16 x 30 x 27 in cabinet, polymer headers to reduce rust staining, and an all-copper-fin-tube heat exchanger. Pair it with an above-ground pool or a bare spa shell and you have a system that heats water faster than any electric pick here. The cutoff is the gas line: no line, no heater. **If you do not have gas**, stop searching for a gas hot tub and buy a plug-and-play. The Lifesmart four-person hard shell with 13 jets, 270 lb dry weight and full foam insulation is the premium pick for a household of three or four. The Coleman SaluSpa Miami at 120 bubble jets is the beginner pick because it is the cheapest tub and the easiest to reverse if you decide it is not for you. The Coleman SaluSpa Hawaii at 140 bubble jets is the family pick when the household is four to six. The Jocisland acrylic two-seater with 15 stainless jets is the heavy-use pick for a couple who will soak most evenings for years. Then buy the Utheer lifter or the JADSOrBoBi springs so the cover never wins. ## FAQ ### Is a gas hot tub worth it over an electric one? A gas hot tub is worth it when water volume is large or ambient temperatures are low, because a 105,000 BTU burner like the Raypak recovers temperature faster than a 110V electric coil. It is not worth it if you have no gas line, because the cost of running one across a yard can dwarf the price of the heater itself. For a small spa on a warm patio, electric is easier. ### What actually counts as a gas hot tub on Amazon? What actually counts is a spa or pool loop heated by a gas burner rather than an electric element. On Amazon, that usually means buying a shell and a separate heater like the Raypak PR106AENC at 105,000 BTU. Very few complete gas-fired residential spas are sold on the platform, which is why the best gas hot tub setup here is the heater plus a compatible pool or spa. ### Raypak PR106AENC versus Lifesmart 4-Person: which should I buy? Raypak PR106AENC versus Lifesmart depends on one question. If you have a natural gas line at the patio and either a spa shell or above-ground pool to heat, buy the Raypak for the 105,000 BTU output. If you have neither and want a self-contained four-seat spa that plugs into a 110V outlet, buy the Lifesmart with its 13 jets, 1 HP pump and full foam insulation. They solve different problems. ### Do inflatable hot tubs like the Coleman SaluSpa really last? Inflatable hot tubs like the Coleman SaluSpa Miami and Hawaii last as long as the fabric walls stay sealed and the pump keeps working. Coleman claims MaxHold fabric internal beams for stability and a Freeze Shield system that protects the pump in cold weather. They will not match the lifespan of an acrylic shell like the Jocisland, but the price position and 71 x 71 in footprint make them the right entry point. ### Do I need a cover lifter with a hot tub? You need a cover lifter with a hot tub because a wet cover weighs 40 to 60 lb, and lifting one by hand twice a day damages the cover and the person doing the lifting. The Utheer adjusts to spa widths from 32 to 43.5 in without drilling. If you already have a Hot Spring, Caldera, Limelight, Hot Spot or Tiger River lifter, the JADSOrBoBi 71794 springs restore its lift instead. Start with the honest question about your yard: is there a gas line to the patio, or is there not? That single answer sends you to one of two shortlists. If yes, the Raypak PR106AENC is the pick, and everything else on this page is an accessory or an alternate. If no, the Lifesmart four-person hard shell is the durable default, the Coleman SaluSpa Miami is the cheapest way in, and the Hawaii scales the same design up to a family footprint. Add the Utheer lifter or the JADSOrBoBi springs on the same order, because the cover is what fails first. Then plug in, fill up, and stop researching. *Last updated: September 30, 2026\. Product availability re-checked.* *This page contains affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.*