CSA Matter Certified
Certificate: CSA25B3DMAT47759-24Lennox S40 Smart Thermostat
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Amazon
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2
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May 19, 2026
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Best checkout path starts with Amazon at $699.03. Compare before leaving MatterCatalog.
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Lennox S40 Smart Thermostat with Matter support from Lennox. CSA-certified smart thermostat for major smart home ecosystems.
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Last checked: Mar 16, 2026
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Last checked: Mar 16, 2026
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Lennox S40 Smart Thermostat
CSA certified• $699.03• Amazon