Cold and heat in one routine: what to combine, in what order

Cold first, warmth after. That is the order most people settle on, and it is the order that makes the most physiological sense: a sharp cold stimulus, then a gentle return to comfortable. At Freezlab that usually means three minutes of Whole Body Cryotherapy followed by red light, the massage chair or the Recovery Room, all inside 45 minutes. The evidence for combining heat and cold is older and thinner than the tradition suggests, so it is worth knowing what is known before you build a routine around it.

Two opposite signals

Heat and cold pull the body in opposite directions. In heat, blood vessels near the skin widen, heart rate climbs, muscles loosen and you sweat. In cold, those same vessels narrow, blood shifts towards the core, breathing quickens and noradrenaline rises. Both responses are well established and both are short lived. The appeal of combining them is the swing: a body that has just been pushed one way feels the return very clearly. That is the whole logic behind a Finnish sauna and a lake.

What is actually known

Sauna on its own has a solid observational record. A 2018 review in Mayo Clinic Proceedings summarised Finnish cohort studies in which frequent sauna use was associated with lower rates of cardiovascular disease and better wellbeing. Those are associations, not proof of cause, and the review says so. A systematic review the same year in Evidence-Based Complementary and Alternative Medicine found that most sauna studies are small and short, with the most consistent findings around feeling relaxed and sleeping well.

Cold on its own has its own record. The Cochrane review on whole body cryotherapy found only four small studies on soreness after exercise and could not draw firm conclusions.

The combination is where the evidence gets thin. The closest thing to a proper test is contrast water therapy, alternating hot and cold water. A 2013 meta-analysis in PLOS One pooled 18 studies and found some evidence that contrast therapy reduces perceived soreness compared with doing nothing, but no clear advantage over cold water alone. Sauna combined with cryotherapy has barely been studied at all. Nobody has shown which order is better, or that the pairing beats either one alone.

People have alternated heat and cold for centuries. That is a good reason to try it. It is not the same as evidence.

The Freezlab version

We do not have a sauna. What we have is a very strong cold stimulus and several ways to come back to warm, none of which is heat therapy in the sauna sense. We will not blur that distinction.

• Whole Body Cryotherapy: 3 minutes at -110°C in dry air. The cold half of the routine, and the part with the sharpest effect.
• Red Light Therapy: 10 minutes in front of 660nm red and 850nm near-infrared panels. The panels give off a gentle warmth on the skin, which feels good after the cold, but they are not a heat treatment and we make no claims on that basis. The interest in red light is the light itself, and the evidence there is early and mixed.
• Massage Experience: 20 minutes in the Komoder Focus III chair, which has a heated surface.
• Recovery Room: 30 minutes with Normatec compression boots, mats and a massage gun. Not warm as such, but the compression and stretching are a slow, comfortable way to land after the chamber.

How members sequence 45 minutes

The common pattern is simple. Cryotherapy first, because it is short and because everything afterwards feels better while your skin is rewarming. Then one warm thing. Then leave.

1. Arrive, change, screening if it is your first time. Five minutes.
2. Cryotherapy. Three minutes in the chamber, a few minutes either side.
3. Red light or the massage chair. Ten or twenty minutes.
4. Or the Recovery Room instead, if your legs are the priority.

Some people flip it and do red light first, then cryotherapy, and walk out into the city with the cold still buzzing. That is a preference, not a mistake. No study has ranked the two orders. Try both and keep the one you look forward to.

When not to stack

More is not better here. A few honest rules:

• On your first visit, do cryotherapy on its own or with one gentle therapy. Learn how you respond before you add things.
• Do not do cryotherapy twice in one visit, and do not follow it with anything that leaves you feeling faint. If you are light-headed after the chamber, sit down and skip the rest.
• Keep Mild Hyperbaric Oxygen as its own visit or as the last thing, and remember it is a mild pressure session, not medical HBOT.
• Skip everything if you are unwell, and talk to your doctor first if you have a heart condition or high blood pressure.

How it fits into a week at Freezlab

A cryotherapy and red light visit is 5 credits. Cryotherapy and the massage chair is also 5. Cryotherapy plus the Recovery Room is 7. On a membership from €69 a month, credits are spent flexibly across every therapy, so two combined visits a week is realistic. The Trial Membership gives you 50 or 100 credits for one month to find your own order. Start on the cryotherapy page, then book a visit.

Freezlab does not diagnose, treat or cure medical conditions. If you are unsure whether a therapy suits you, talk to your doctor.