Heating & Cooling: 5 stocks

These companies make heating, cooling, and building control systems for homes, offices, and data centers. Their sales follow building and how often old units are replaced.

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Heating & Cooling: 5 stocks
StockPriceQuality Score
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Why heating & cooling stocks are down this week

Heating & cooling stocks fell a median 3.3% since the close on Oct 26 (5 stocks); the S&P 500 fell 1.6%.

What moved them

  • No single story: 5 of 5 fell with the market this week.
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Questions about heating & cooling

Why are heating & cooling stocks down this week?

Heating & cooling stocks fell a median 3.3% since the close on Oct 26 (5 stocks); the S&P 500 fell 1.6%. No single story: 5 of 5 fell with the market this week.

Which heating & cooling stocks fell most this week?

AirJoule Technologies (AIRJ) fell 12%, Aaon (AAON) fell 4.0%, and Lennox International (LII) fell 3.3%.

What are the biggest companies in heating & cooling?

The biggest by market cap are Johnson Controls International (JCI) at $96B, Carrier Global (CARR) at $46B, and Lennox International (LII) at $12B.

Which companies in heating & cooling does Breakaway rank highest?

Johnson Controls International (JCI) 12, Carrier Global (CARR) 5, and Aaon (AAON) 0, the highest Quality Scores of the 5. Breakaway ranks every stock by its Quality Score, which reads each company's numbers and its chart; the ranking is information, not advice, and each stock's page shows the reasons behind its score.

Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs. Recorded live since Sep 9 2026.

Breakaway publishes impersonal securities research and analytical tools: one formula, the same score for everyone. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security.

Market data from a licensed vendor. The age of every quote is shown on the page.

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