The availability of noncondensing gas furnaces and water heaters hangs in the balance as the DOE considers energy efficiency standards and industry input.
It is Energy Star rated and offers a two-stage gas valve that switches between high- and low-fire settings for added comfort and up to 96 percent AFUE heating efficiency.
With a heating efficiency rating of 80 percent AFUE, and as part of a Lennox iComfort thermostat-enabled system, the SL280NV delivers both comfort and energy savings.
Rheem Mfg. Co. had an energizing experience under the bright lights of the AHR Expo as its entire portfolio of brands exhibited in one space for the first time.
The Prestige Series EcoNet Enabled Modulating Upflow Gas Furnace comes with the PlusOne® Diagnostics 7-Segment LED on all units, which makes it easy to service and diagnose. It also includes the PlusOne Ignition System, which includes the Direct Spark Ignition (DSI) for reliability and longevity.
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).
