Single Stage Furnace Vs 2 Stage Furnace

How single stage vs two stage vs variable capacity furnaces differ.

Single stage furnace vs 2 stage furnace.

Single stage furnace cons. Two stage or dual stage furnaces have three settings. This option because it is an older style and less energy efficient will cost you less to purchase outright. Does single stage or 2 stage matter if each floor is zoned.

Less expensive single stage furnaces cost about 500 less than comparable two stage models so they make sense on a tight budget. Run at 70 capacity most of the time but can run at 100 too. Also one reputable contractor recommended a single stage furnace stating that his experience is a two stage furnace in a two story house with our layout pretty typical doesn t work effectively. They burn more fuel increasing your energy costs.

All furnace brands make at least one single stage furnace. A single stage furnace the most basic design available has a fixed gas valve and a single speed blower fan motor. If a furnace is one stage or is too big for your house again it will kick off more often and spend less time filtering the air in your house. More air moved means more air filtration.

Single stage vs two stage furnace. Not as efficient single stage furnaces waste more energy than two stage furnaces. A single stage furnace is also a wise option if you don t plan to stay in your home long term. In single stage gas furnaces the gas valve burner comes on at 100 capacity when the thermostat calls for heat.

Two stage furnace features. It stays at full capacity until the inside temperature satisfies the thermostat. Whether it s a mildly chilly fall evening or a bitter cold winter night the furnace runs at the same setting. If the weather gets especially cold the equipment will switch to its.

Single stage furnaces offer basic on off operation. Single stage furnace features. As soon as the furnace turns on it starts running at full blast. For more information on the differences between a one stage and a two stage furnace try this short video.

Off on low mode and on high mode. On and off that is your furnace is either running at maximum capacity or not at all. We need to replace our single stage furnace that is about 17 18 years old. Most of the time the furnace will run on the lower setting.

At that time the contractor added zoning to our existing furnace. A single stage furnace costs less to install than a two stage furnace and will certainly keep your home warm however it does so at the expense of higher heating bills and wider temperature swings. The flexibility of a two stage furnace is a great match for the unpredictable weather we have during winter in the st. Furnaces cost less are less likely to break repair costs are low efficiency is low to average.

This furnace has only two settings. A single stage furnace has two settings.