Invesaro publishes investment theses and settles them against the market in public: with a date, a basket of companies and a verdict.

Investment thesis

Heatwaves are driving air conditioning demand, and a global cap on refrigerants has turned Chinese plants into a pricing oligopoly

LivePublished August 8, 2026180-day horizonsupply and demand

Watch this thesis

In short

What is happening
Another heatwave in Poland. Thermometers will hit 35 degrees again
Why it matters
Kigali quotas have frozen refrigerant supply while record heat drives air conditioning demand: the margin goes to Chinese gas producers, not the equipment makers.
Who benefits
Zhejiang Juhua, Zhejiang Sanmei Chemical Industry, Dongyue Group, The Chemours Company
What must hold
Assumptions are statements that must stay true for the thesis to make sense.
Assumptions: 5. See the assumptions
When is the verdict
The horizon is the time we give a thesis. That many days after publication we settle it: we compare the basket of companies with the market benchmark and give a verdict.
February 4, 2027, 180 days after publication
Our score at publication
A score from 0 to 100 given on the day of publication, before the market has verified anything. On the results page we check in public whether higher-scored theses do better.
61 out of 100

Basket return

-13.7%

equal weight, since publication

The market over the same window

-2.3%

benchmark for this basket

Edge over the market

-11.4%

in percentage points

Companies in the basket

600160Zhejiang Juhua 603379Zhejiang Sanmei Chemical Industry 0189Dongyue Group CCThe Chemours Company

The argument

"Another heatwave in Poland and across Europe" is the kind of headline the market reads as a win for air conditioning manufacturers. But the real, durable margin from every new record summer accrues to a completely different link in the chain: the handful of refrigerant producers sitting on a globally rationed, closed supply of gas.

The mechanism starts with regulation, not weather. The Kigali Amendment froze global production of hydrofluorocarbons (HFCs), Europe's F-gas Regulation is cutting EU quotas in steep steps, and the US AIM Act is reducing American production and consumption. The result is paradoxical: a fragmented, low-margin commodity has turned into a state-protected oligopoly. Critically, China controls roughly 70% of global production quotas, so it is Beijing, not the air conditioner on the shelf, that sets the available volume. When supply is capped by statute in advance, every additional kilogram of demand feeds straight through to price.

What this thesis rests on

Each one is a statement that has to be true. We go back to every live thesis on a schedule and check these against public sources, so each leg carries either what we found or the date we look next.

Archive: reviews of this thesis are paused. Last review September 26, 2026.

China's Ministry of Ecology and Environment grants no upward revision of 2026 HFC production or consumption quotas above the 2025 allocation before 4 February 2027.
regulatory · Open
Checked September 26, 2026, nothing published either way
Zhejiang Juhua's fluorochemicals/refrigerant segment gross margin in its 2026 interim and third-quarter reports stays at or above its 2025 full-year segment gross margin.
financial · Open
Checked September 26, 2026, nothing published either way
Zhejiang Sanmei's disclosed average selling price for refrigerants (R32, R125, R134a) in second-half 2026 reporting stays at or above its first-half 2026 level.
financial · Open
Checked September 26, 2026, nothing published either way
Dongyue Group's 2026 annual results report no year-over-year decline in HFC sales volume, i.e. no measurable displacement by R290, CO2 or ammonia within the horizon.
competitive · Open
Checked September 26, 2026, nothing published either way
Chemours' Thermal & Specialized Solutions segment net sales grow at least 5% year over year in both Q3 2026 and Q4 2026, driven by Opteon HFO volumes.
operational · Open
Checked September 26, 2026, nothing published either way

Show the causal chain step by step

Kigali, F-gas and the AIM Act cut HFC production
Record heat in Europe
Jump in demand for air conditioning and heat pumps
China: roughly 70% of global HFC quotas
Closed supply collides with rising demand
Refrigerant producers' prices and margins rise
Chinese oligopolists and the Western HFO leader gain

This thesis, over time

What has happened since publication. Every entry is computed as of its own date, from price history.

September 26, 2026

Review on day 49: nothing moved

We went back to this thesis on day 49 of 180 and checked each of its 5 assumptions against public sources. No news either way: 5. The equal-weight basket stands at -13.7% since publication day. The benchmark (.INX) returned -2.3% over the same window, so the basket trails its market by 11.4 percentage points. 131 days remain until the verdict.

September 22, 2026

Day 45 of 180: basket -13.7%

The first quarter of the horizon is behind this thesis. The equal-weight basket stands at -13.7% since publication day. The benchmark (S&P 500) returned -2.3% over the same window, so the basket trails its market by 11.4 percentage points. The strongest contributor is CC (-6.7%), the weakest is 603379 (-20.9%). 135 days remain until the verdict.

September 11, 2026

Basket fell below -10% since publication

This basket is at -12.2% since publication, 34 days after the thesis was posted. The benchmark (S&P 500) returned -2.1% over the same window, so the basket trails its market by 10.1 percentage points. The strongest contributor is CC (-4.3%), the weakest is 603379 (-18.6%). This is not a change of status: the horizon keeps running and the verdict only lands once it expires.

September 11, 2026

Review on day 34: nothing moved

We went back to this thesis on day 34 of 180 and checked each of its 5 assumptions against public sources. No news either way: 5. The equal-weight basket stands at -12.2% since publication day. The benchmark (.INX) returned -2.1% over the same window, so the basket trails its market by 10.1 percentage points. 146 days remain until the verdict.

August 27, 2026

Review on day 20: nothing moved

We went back to this thesis on day 20 of 180 and checked each of its 5 assumptions against public sources. No news either way: 5. The equal-weight basket stands at -3.4% since publication day. The benchmark (.INX) returned -0.3% over the same window, so the basket trails its market by 3.1 percentage points. 160 days remain until the verdict.

This is analysis, not investment advice and not a recommendation to buy or sell anything. We publish it and track it in public, mistakes included. Any decision is yours and yours alone.