The company file
Hot Spring
The world's best-selling hot tub, built by its own maker since 1977: a massage jet that travels up and down your back, salt water that can go up to a year between drains, and filtration that runs around the clock.
The long read: how the tubs are built, the complaint record, the warranty part by part, and the company’s history.
How it started
Brothers Jeff and Jon Watkins built the first Hot Spring portable spa in 1977. Their company, Watkins Manufacturing, grew into today's Watkins Wellness.
What Hot Spring is known for, and the catch
How it’s built
Eight things that decide whether it lasts. Tap any for the detail.
Self-supporting shellFiberglass-reinforced shell, but Watkins says the frame carries the loadPartly
Acrylic is thermoformed and backed with resin and fiberglass, then attached to a surrounding frame. Watkins' own patent credits that frame with absorbing the shell's loads, and the Highlife foam is said to add support. Limelight and Hot Spot use FiberCor fill, which carries no load at all.
What this means, and how to check it →patents.google.com ↗patents.google.com ↗
Clamped plumbingHot Spring doesn't publish this. Ask the dealerNot published
Watkins never describes how hose meets fitting, and owner's manuals from 1999 to 2025 say nothing about clamps. No parts diagram or verified teardown photo exists either. On full-foamed Highlife models, reaching any joint means cutting foam out first.
What this means, and how to check it →d1oxc6ayqrhsgs.cloudfront.net ↗patents.google.com ↗
Manifold-fed jetsHot Spring doesn't publish this. Ask the dealerNot published
The SmartJet diverter confirms the tub is split into jet groups fed through a valve. What happens below that valve is undocumented. There is no way to tell whether each jet gets its own run or jets are teed together.
What this means, and how to check it →d1oxc6ayqrhsgs.cloudfront.net ↗hotspringsupply.com ↗
Standard partsEvery part is Watkins-only, but anyone can buy themPartly
The control box, heater, pumps, filters and jets are all Watkins designs ordered by part number, with no Balboa or Waterway equivalent. At least five independent suppliers stock them without dealer credentials. But the warranty is void if anyone other than an authorized rep does the repair.
What this means, and how to check it →watkinsdealer.s3.amazonaws.com ↗watkinsdealer.s3.amazonaws.com ↗
Compression-fitted jetsMost jet bodies clamp the shell with a threaded ring; the newest aren't…Partly
A Hot Spring parts seller lists wall-fitting nuts that clamp the shell to the jet body, the gaskets, and a spanner wrench for them. Moto-Massage jets screw to the shell. The 2023-and-later 5-inch body isn't documented, and Hot Spring publishes nothing on it.
What this means, and how to check it →backyardplus.com ↗backyardplus.com ↗
Adjustable jetsTwist the faceplate and each body jet adjusts on its ownYes
Hydromassage, SoothingStream, HydroStream and JetStream jets each throttle by turning the faceplate. A Comfort Control lever meters air to the Precision and Moto-Massage jets as a group, and SmartJet diverts water between seats. Precision, Moto-Massage and the footwell jets have no individual water control.
What this means, and how to check it →d1oxc6ayqrhsgs.cloudfront.net ↗hotspring.com ↗
Service networkSold and serviced through authorized dealers, with a factory backstopYes
Hot Spring sells only through franchised showrooms, and the manual routes setup, operation and repair questions to your dealer. The warranty lists the Vista, California factory by address and phone if the dealer cannot help. Service quality still depends on which dealer is near you.
What this means, and how to check it →hotspring.com ↗d1oxc6ayqrhsgs.cloudfront.net ↗
American made?Built in Vista, California and Tijuana, MexicoPartly
Vista, California: Headquarters and manufacturing facility at 1280 Park Center Drive. Tijuana, Mexico: First plant opened 1996; Watkins does not say which models are built there.
What this means, and how to check it →hotspring.com ↗jobs.masco.com ↗
What Hot Spring says, part by part8
Watkins doesn't say how jets attach. The Highlife warranty covers leaks at 'jet fittings' and 'internal glue joints', so some joints are glued.
The company says 100% of water passes through the filters (no bypass). Rigid versus flexible pipe is not published.
The company says Highlife uses a lightweight polymeric substructure integrated with a sealed base pan that 'will never rust or rot'.
Highlife: multiple layers of high-density polyurethane foam, per the company. Limelight: FiberCor fiber fill packed into the cabinet.
Molded acrylic on Highlife, Limelight and Hot Spot. Freeflow uses a rotationally molded plastic shell and cabinet.
Highlife sits on an insulated polymeric base pan that the company says creates an insulating air space against cold ground.
Barbed, clamped or glued? What it means3
Hose slides over a ridged fitting and a clamp holds it. Easy to service, but clamps are one more thing that can loosen.
Pipe is solvent-welded into the fitting and becomes one piece. A strong seal, but a leak repair means cutting and re-gluing.
Which method this model uses, whether the joints are reachable for repair, and what the plumbing warranty covers.
What owners and watchdogs say
A BBB letter grade rates how a company handles complaints, not how happy owners are. Read it next to the complaint count and the reviews.
How complaints ended, and the reviews by star2
- 4 Resolvedthe customer accepted the company's answer
- 10 Answeredthe company replied; the customer didn't confirm it was fixed
- 0 Unresolvedthe company replied; the customer said it wasn't fixed
- 3 Unansweredthe company never replied
The company replied to 14 of 17. BBB counts 18 in three years but publishes 17; the rest aren't shown. A complaint count means more next to how big the company is.
What owners complain about4
Owners describe leaks in foam-filled tubs taking months to fix, sometimes requiring the tub be hauled to a shop.
Many new owners report FreshWater Salt System cartridges failing in weeks rather than the rated four months; dealers often blame water chemistry.
What owners praise4
Recalls4
- Feb 12, 2026About 32,900 Highlife spas (model years 2023-2025): six-fin rotary jets can entangle hair. Free replacement jet inserts; one incident, no injuries.
- Feb 12, 2026Health Canada recall of the same Highlife rotary jets: 853 spas and 1,753 replacement jets sold in Canada; no Canadian incidents.
- Jun 28, 2012About 5,600 Hot Spring and Limelight spas built in 2011: the No-Fault heater connection could overheat. Five fires, no injuries. Free heater replacement.
- Dec 14, 2001About 142,000 No-Fault 6000 heaters on Hot Spring and Tiger River spas (220V) could overheat. Free insulation kit.
Ratings on other sites & BBB details5
The warranty, part by part
Read the warranty card before you sign: what labor is covered after year one, and whether the coverage moves to a second owner.
History and ownership
Founded in 1977 in Vista, California. Changed hands once. Owner today: Masco Corporation (public, NYSE: MAS) through Watkins Manufacturing Corporation, doing business as Watkins Wellness.
Who has owned it
Full timeline12
- 1977FoundedJeff and Jon Watkins build the first Hot Spring portable spa.
- 1984BrandIntroduces the Moto-Massage moving jet and starts selling hot tubs in Europe.
- 1986Changed handsWatkins joins Masco Corporation, which still owns it.
- 1996FactoryWatkins opens its first manufacturing plant in Tijuana, Mexico.
- 1999Bought a brandWatkins acquires Caldera Spas, its first spa-brand acquisition.
- 2011-12-2Bought a brandBuys American Hydrotherapy Systems of Ontario, California, maker of Freeflow Spas; business moves to Vista.
- 2015-02-2Bought a brandWatkins acquires Endless Pools of Aston, Pennsylvania; terms not disclosed.
- 2016BrandWatkins Manufacturing renames itself Watkins Wellness; the legal entity keeps the old name.
- 2022LeadershipSteve Hammock retires after 39 years, 25 as president; VJ Teenarsipur takes over in January 2022.
- 2023-07-3Bought a brandWatkins Wellness buys Sauna360 (Tylö, Helo, Finnleo), adding saunas.
- 2025-12-0LeadershipSteve Stigers, a 19-year Watkins veteran, becomes president; Teenarsipur moves to Masco's Behr Paint.
- 2026BrandFreeflow folds into Hot Spring as the Freeflow Collection, trimmed from 10 models to 5.
Where it's built2
Builds here today
Charity and sponsorships4
Employee program backing local charities including Solutions for Change, Boys & Girls Club of Vista and New Haven Youth and Family Services.
Partner since the mid-1990s; Watkins had donated more than $200,000 by 2021, local press reported.
Recent news7
- Jun 1, 2026Trade press reports Freeflow now sells inside Hot Spring as the entry-level Freeflow Collection.
- Mar 25, 2026Proposed class action filed in San Diego federal court over the recalled Highlife jets; no rulings found.
- Feb 12, 2026CPSC recall of rotary jets in about 32,900 Highlife spas (model years 2023–2025) over hair-entanglement and drowning hazard; one incident, no injuries.
- 2026Ranked #2 of five brands in Lifestory Research's first America's Most Trusted Hot Tub study, behind Jacuzzi.
- Dec 1, 2025Steve Stigers named president of Watkins Wellness.
- 2025Hot Spring adds the Vigor cold plunge; its warranty document is dated April 2025.
- Feb 5, 2024Watkins unveils FreshWater IQ, a salt system that tests pH, chlorine and salt hourly, for Highlife and Limelight.
Good to know6
- Freeflow, a rotomolded brand, was bought with American Hydrotherapy Systems in 2011. Its website now redirects to hotspring.com, and it sells as the Freeflow Collection.
- Masco's FY2025 10-K still lists Freeflow, Fantasy, AquaTerra and LifeSmart as separate spa brands alongside Hot Spring and Caldera.
- AquaTerra sells direct online, and its owner-support email is a watkinsmfg.com address. A reviewer says it is sold through Costco.
- A reviewer says Watkins makes LifeSmart for online and big-box sellers such as Amazon, Home Depot, Walmart and Wayfair.
- Limelight and Hot Spot were once marketed as separate brands; both are now Hot Spring collections.
- Hot Spring's Australia and New Zealand distributors are 51% owned by Masco, according to Masco's subsidiary list.
Same owner
Masco Corporation
Sold under: Hot Spring, Freeflow, AquaTerra, LifeSmart
Ownership last checked September 2026. Who owns every hot tub brand.
Owners: Hot Spring error codes, explained from the manuals.
What’s a good deal on a Hot Spring hot tub?
We send you the price range, then introduce you to one Hot Spring dealer near you.