Bob and Tim have been sent on a routine service contract call to a new customer. The system is a gas furnace with central air conditioning. After changing the filter and oiling the fan motor, Tim went to the thermostat and caused the furnace to come on and they were looking at the burner when Tim said, “That gas flame doesn’t look right.”
The manufacturing division of the Heating, Refrigeration, and Air Conditioning Institute of Canada (HRAI) reports that ductless split systems shipments were up 30 percent in the fourth-quarter of 2011 when compared to 2010.
Canada reintroduced its Energy Star® specifications for gas-fired forced air furnaces, Feb. 1. Only models that have been third-party certified as meeting Version 3.0 or Version 4.0 requirements will appear on the Energy Star qualified product list.
Expanding the TM9X and TM9V families, two models have been added to the Luxaire® LX Series of multiposition gas furnaces. An input rate of 40,000 Btuh enables the furnaces to provide better heat load matches, avoiding oversized equipment selection.
The Tempstar® SmartComfort® 96 percent-plus AFUE gas furnace line is available. The SmartComfort® VC 97 features a modulating gas valve, variable-speed ECM blower motor, 97 percent AFUE, and stainless steel primary and secondary heat exchangers. The SmartComfort VT 96 is a two-stage variable-speed model at 96 percent AFUE.
Located at River Meadows Ranch in Midway, Utah, the first-ever riverfront HGTV Dream Home is a modern yet rustic ranch house nestled on the banks of the Provo River. The home is equipped with several Rinnai® comfort-enhancing, energy-saving products.
Heil® QuietComfort® 96 percent plus AFUE gas furnaces feature models with stainless steel primary and secondary heat exchangers. According to the manufacturer, it designed the new line of gas furnaces after conducting focus groups with dealers across the country.
Both the Broan M7 and CMF95 furnace models are designed for manufactured housing. They are 95.1 percent AFUE gas furnaces. The integrated circuit board features diagnostic indicators and an adaptive igniter warm-up time to prolong igniter life.
The Evolution® 987M A unit with an AFUE of up to 97 percent is available in a new high-efficiency line of gas furnaces. The fully modulating gas furnace has load matching performance. A modulating gas valve is capable of adjusting from 40 to 100 percent of capacity.