Comfort Systems USA IncComfort Systems' revenue surged 56%, earnings more than doubled, and backlog nearly doubled to a record $12.45 billion, driven by AI infrastructure demand.
Comfort Systems USA and EMCOR Group both reported record first-quarter 2026 results, but Comfort Systems is emerging as the stronger beneficiary of AI-driven infrastructure spending. Comfort Systems' revenue surged 56% year over year to $2.87 billion, earnings more than doubled to $10.51 per share, and its backlog nearly doubled to a record $12.45 billion. EMCOR's revenue rose nearly 20% to $4.63 billion, earnings per share increased 30%, and remaining performance obligations reached a record $15.62 billion. While EMCOR offers greater diversification and a lower forward earnings multiple of 27.2 times versus Comfort Systems' 41.46 times, Comfort Systems' faster growth, stronger margin expansion, and higher estimate revisions support its premium valuation. Analysts have raised Comfort Systems' 2026 EPS estimate to $43.08, implying 49.2% growth, compared with EMCOR's $29.22 estimate and 13% growth. Comfort Systems carries a Zacks Rank #1, or Strong Buy, while EMCOR holds a Zacks Rank #2, or Buy.
Comfort Systems USA IncComfort Systems' revenue surged 56%, earnings more than doubled, and backlog nearly doubled to a record $12.45 billion, driven by AI infrastructure demand.
EMCOR Group IncEMCOR reported record Q1 results with 20% revenue growth and 30% EPS increase, but is compared unfavorably to Comfort Systems' faster growth and higher estimate revisions.