In this month’s troubleshooting situation, you’re responding to a customer’s complaint that his furnace isn’t heating properly. The equipment is an 80 percent AFUE, natural gas, induced draft unit that employs a hot surface ignition system.
This unit is a shorter version of the M7RL gas furnace, as it does not include an integrated coil cabinet. To install this model, HVAC contractors will add a separate coil box, also manufactured by Nortek Global HVAC, that can accept evaporator coils up to 25 inches tall.
The York LX Series TM8Y and TM9Y residential gas furnaces from Johnson Controls combine two-stage heating with the efficiency of a standard electronically commutated motor (ECM).
Bob and Tim were on their first service call of the winter season. A customer wanted them to perform service on their furnace to make sure that the unit was in good working order for the winter.
Armstrong Air has introduced the A962V gas furnace, an upgrade of the A952V model. The new A962V is compatible with Armstrong Air’s Comfort Sync thermostat.
The new Rheem 90 percent+ gas furnace platform is available now under the Rheem and Ruud brands. Rheem involved its contractor customers in the development of this product, which led to the inclusion of several features that aid on jobsites.
The Century two-stage 95 percent gas furnace is available in four capacities from 60,000 to 120,000 Btuh, and includes two heat exchangers that capture 95 percent or more of the heat output from each cubic foot of gas.
The Century two-stage 95 percent gas furnace is available in four capacities from 60,000 to 120,000 Btuh, and includes two heat exchangers that capture 95 percent or more of the heat output from each cubic foot of gas.
