Lennox Commercial HVAC's cold climate heat pump rooftop unit is the first to pass lab validation in the 15-25 tons category of the Commercial Building HVAC Technology Challenge. DALLAS, Sept. 5, 2025 ...
DALLAS — Lennox announced that its commercial cold climate heat pump rooftop unit (RTU) was the first to successfully complete the laboratory validation for commercial unitary equipment in the 15-25 ...
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