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Daikin

Daikin documents the DM97MC as a modulating, variable-speed, communicating ECM gas furnace rated up to 98 percent AFUE, built with a stainless-steel tubular heat exchanger and a lifetime heat exchanger limited warranty on registration.

Daikin publishes a specification sheet for its DM97MC gas furnace. This entry records what that document states about the furnace's efficiency, gas valve, blower motor, heat exchanger construction, and registered warranty coverage.

DM97MC efficiency, gas valve, and blower

Daikin's DM97MC specification sheet titles the unit a Modulating, Variable-Speed Communicating ECM Gas Furnace rated up to 98 percent AFUE, with a heating input of 60,000 to 120,000 BTU per hour. The document lists a self-calibrating modulating gas valve that auto-configures for each installation.

Daikin's standard features list a quiet variable-speed induced draft blower and a variable-speed airflow system that ramps up or down to match heating or cooling demand. Daikin also notes a durable silicon nitride igniter.

Warranty terms as documented

Daikin's DM97MC spec sheet states that, with online registration completed within 60 days of installation, the furnace carries a Lifetime Heat Exchanger Limited Warranty good for as long as the owner owns the home. The document states the same registration unlocks a 12-Year Unit Replacement Limited Warranty and a 12-Year Parts Limited Warranty.

Daikin's document notes that online registration is not required in California or Quebec. The warranty terms are recorded as written on the specification sheet.