
Looking back on hvac and water systems stocksโ Q2 earnings, we examine this quarterโs best and worst performers, including Northwest Pipe (NASDAQ: NWPX) and its peers.
Many HVAC and water systems companies sell essential, non-discretionary infrastructure for buildings. Since the useful lives of these water heaters and vents are fairly standard, these companies have a portion of predictable replacement revenue. In the last decade, trends in energy efficiency and clean water are driving innovation that is leading to incremental demand. On the other hand, new installations for these companies are at the whim of residential and commercial construction volumes, which tend to be cyclical and can be impacted heavily by economic factors such as interest rates.
The 9 hvac and water systems stocks we track reported a strong Q2. As a group, revenues beat analystsโ consensus estimates by 1.4% while next quarterโs revenue guidance was 14.3% below.
In light of this news, share prices of the companies have held steady as they are up 3% on average since the latest earnings results.
Best Q2: Northwest Pipe (NASDAQ: NWPX)
Playing a large role in the Integrated Pipeline (IPL) project in Texas to deliver ~350 million gallons of water per day, Northwest Pipe (NASDAQ: NWPX) is a manufacturer of pipeline systems for water infrastructure.
Northwest Pipe reported revenues of $133.2 million, up 2.8% year on year. This print exceeded analystsโ expectations by 10.1%. Overall, it was an incredible quarter for the company with a beat of analystsโ EPS and EBITDA estimates.
"In the second quarter, NWPX Infrastructure delivered record results, demonstrating strong operational execution and demand across both business segments," said Scott Montross, President and Chief Executive Officer of NWPX Infrastructure, Inc.

Northwest Pipe achieved the biggest analyst estimates beat of the whole group. Unsurprisingly, the stock is up 23.7% since reporting and currently trades at $52.93.
Is now the time to buy Northwest Pipe? Access our full analysis of the earnings results here, itโs free.
Zurn Elkay (NYSE: ZWS)
Claiming to have saved more than 30 billion gallons of water, Zurn Elkay (NYSE: ZWS) provides water management solutions to various industries.
Zurn Elkay reported revenues of $444.5 million, up 7.9% year on year, outperforming analystsโ expectations by 4.5%. The business had a stunning quarter with an impressive beat of analystsโ adjusted operating income estimates.

The market seems happy with the results as the stock is up 23.5% since reporting. It currently trades at $47.35.
Is now the time to buy Zurn Elkay? Access our full analysis of the earnings results here, itโs free.
Slowest Q2: AAON (NASDAQ: AAON)
Backed by two million square feet of lab testing space, AAON (NASDAQ: AAON) makes heating, ventilation, and air conditioning equipment for different types of buildings.
AAON reported revenues of $311.6 million, flat year on year, falling short of analystsโ expectations by 4.1%. It was a disappointing quarter as it posted revenue guidance for next quarter missing analystsโ expectations significantly and a significant miss of analystsโ EBITDA estimates.
Interestingly, the stock is up 16.1% since the results and currently trades at $93.47.
Read our full analysis of AAONโs results here.
Trane Technologies (NYSE: TT)
With low-pressure heating systems as its first product, Trane (NYSE: TT) designs, manufactures, and sells HVAC and refrigeration systems, the former to commercial and residential building customers and the latter to commercial truck manufacturers.
Trane Technologies reported revenues of $5.75 billion, up 8.3% year on year. This result met analystsโ expectations. It was a satisfactory quarter as it also put up a decent beat of analystsโ adjusted operating income estimates.
The stock is down 10.5% since reporting and currently trades at $421.96.
Read our full, actionable report on Trane Technologies here, itโs free.
A. O. Smith (NYSE: AOS)
Credited with the invention of the glass-lined water heater, A.O. Smith (NYSE: AOS) manufactures water heating and treatment products for various industries.
A. O. Smith reported revenues of $1.01 billion, down 1.3% year on year. This print surpassed analystsโ expectations by 1.2%. It was a strong quarter as it also logged an impressive beat of analystsโ adjusted operating income estimates and a solid beat of analystsโ organic revenue estimates.
A. O. Smith achieved the highest full-year guidance raise but had the slowest revenue growth among its peers. The stock is up 2.9% since reporting and currently trades at $73.41.
Read our full, actionable report on A. O. Smith here, itโs free.
Market Update
Thanks to the Fedโs rate hikes in 2022 and 2023, inflation has been on a steady path downward, easing back toward that 2% sweet spot. Fortunately (miraculously to some), all this tightening didnโt send the economy tumbling into a recession, so here we are, cautiously celebrating a soft landing. The cherry on top? Recent rate cuts (half a point in September 2024, a quarter in November) have propped up markets, especially after Trumpโs November win lit a fire under major indices and sent them to all-time highs. However, thereโs still plenty to ponder โ tariffs, corporate tax cuts, and what 2025 might hold for the economy.
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