HVAC distribution residential equipment unit volume growth measures the year-over-year change in the number of residential HVAC equipment units sold.
Watsco reported 2% unit volume growth for domestic residential HVAC equipment in the second quarter of 2026.
Unit volume isolates physical demand from price
Revenue can grow because more systems are sold, because average selling prices rise, or both.
Unit growth therefore provides a cleaner view of physical equipment demand than equipment revenue alone.
Volume still reflects replacement and construction demand
Residential HVAC units are sold into both replacement and new-construction markets.
Read unit growth with residential equipment average selling price growth and same-store sales growth.
Primary source: Watsco Q2 2026 earnings release.
Part of the HVAC Distribution Economics
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- WSOOpen operating-model research →10 of 10 reviewed concepts in HVAC Distribution EconomicsComparable demand, unit volume, and selling price3 of 3 bridge concepts supportedContinue through this bridge:Residential Equipment ASP GrowthSame-Store Sales Growth
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Compare residential HVAC unit demand
Compare physical residential equipment unit growth separately from average selling price changes.
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