How we analyse

Most recovery-gear reviews are one person, one product, a few weeks. That’s useful, but it leaves out the questions that decide whether a $2,000–$15,000 purchase was right for you:

• What will this cost to run on my electricity rate?
• Do I need a 240V circuit, and what does that add?
• What does the warranty actually exclude?
• What do owners complain about after a year?
• What’s the real cost over five years, membership and parts included?

Recovery Math exists to answer those questions with numbers you can check.

What we do

1. Primary sources first.

• We read the spec sheet, owner’s manual, installation guide and warranty document for every product we cover, and link to them.
• Where a brand’s marketing and its manual disagree, we go with the manual and say so.

2. Real running costs.

• We calculate electricity use from rated power and session length, using official average electricity rates as the default.
• Our calculators let you swap in the rate from your own bill.
• We add installation needs, consumables, filters, sanitiser, memberships and subscriptions, then total them over five years.

3. Owners and recalls.

• We read owner discussions (Reddit, forums, 1–3★ reviews, YouTube comments) to find complaints that come up again and again.
• When we quote an owner, we quote them word for word and link to the source.
• We check the U.S. Consumer Product Safety Commission’s recall database for every product we recommend, and say when we checked.

4. Third-party measurements, credited.

• When an independent lab or reviewer has measured something (EMF, irradiance, temperature, noise), we cite who measured it and how.
• We never present someone else’s measurement as our own.

5. Verdicts by situation.

• There’s rarely one “best”. So our verdicts are for situations: best on a standard 120V outlet, best for a garage, best for tall users, best value over five years.
• We also tell you who should skip a product.

What we don’t do

We don’t hands-on test products (unless a page clearly says otherwise). That’s deliberate:

• No free-unit bias. We don’t depend on brands sending us gear, so we can cover the products they’d rather we didn’t.
• Breadth. We can compare 20+ models on the same terms, not just the 3 that showed up at our door.
• Checkable. Every number has a source you can open yourself. If we got something wrong, you can see where.

We don’t give health advice.

• We cover cost, specs, setup and safety documentation.
• Whether sauna, cold plunge, sleep cooling or red light is right for your body is a question for your doctor, so we tell you to ask one.

We don’t sell placement.

• Brands can’t pay for a ranking, a badge or a verdict.
• If the best option for your situation earns us nothing, it’s still the pick, and we link to it.
• How we make money: Affiliate disclosure.

Tools we use

• We use software, including AI tools, to gather documents, compare specifications and run calculations.
• Every figure that reaches a page is checked against its cited source.
• Our videos use an AI narrator. It doesn’t present itself as a person, an expert or a user of the products.

Prices and updates

• Prices: every price carries the date we checked it. Prices change; the retailer’s checkout price is the one that counts.
• Changelog: pages show an “Updated” date and a changelog at the bottom.
• Recalls and launches: we re-check pages when a product is recalled, discontinued or replaced by a new model.

Corrections

Found an error? Email hello@recoverymath.com with the page and the source.

• We review every correction request.
• When we’re wrong, we fix the page and note the fix in its changelog.

Recovery Math is operated by Vista Vendors LLC. Nothing on this site is medical, electrical or financial advice.

Sources we rely on

• Makers’ documents: spec sheets, owner’s manuals, installation guides and warranty terms, linked on every page.
• Electricity prices: the U.S. Energy Information Administration (EIA) average residential rates, by state, with the month stated. You can always enter your own rate.
• Electrical rules: the National Electrical Code continuous-load (80%) rule for circuit sizing, as general guidance; your electrician and local code decide.
• Safety: the U.S. Consumer Product Safety Commission (CPSC) recall database, checked for every product we recommend.
• Owners: public owner discussions and reviews, quoted word for word with a link.
• Independent measurements: credited to whoever measured them, with their method.

Update policy

• Every page shows an Updated date, and every price carries the date we checked it.
• Calculator electricity rates are refreshed when EIA publishes new data.
• Pages are re-checked when a product is recalled, discontinued or replaced, and changes are logged in a changelog at the bottom of the page.