Single Stage Furnace Vs Two Stage

Low cost equipment for basic home heating.

Single stage furnace vs two stage.

Runs at 100 capacity all the time. Single stage furnaces are the most affordable. Two stage furnaces cost more 10 to 20 more depending on the brand and series. In other words a 95 efficient furnace is 95 efficient whether its running in low or high fire.

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. Single stage and two stage furnaces of the same efficiency style use the exact same heat exchanger. Mid efficiency two stage furnaces costs about 2 500 to 4 000 including installation the furnace itself usually costs 1 500 to 2 000 while labor adds an additional 1 000 to 2 000 high efficiency models cost about 4 000 to 5 000 to buy and install. The first stage of this type of furnace operates the majority of the time in most climates and runs at about 65 of the furnace s full capacity.

Furnaces cost less are less likely to break repair costs are low efficiency is low to average. Two stage furnace two stage furnaces also known as two speed furnaces operate much more efficiently than a single stage furnace. The cost factor in single stage 2 stage and modulating furnaces. How single stage vs two stage vs variable capacity furnaces differ.

The flexibility of a two stage furnace is a great match for the unpredictable weather we have during winter in the st. A single stage furnace the most basic design available has a fixed gas valve and a single speed blower fan motor. Modulating furnaces cost 20 to 30 more than 2 stage furnaces though that gap will probably close as the technology is used more often. Is a two stage furnace quieter.

A one stage furnace however can only run in the full open position even if it s only 50 degrees outside. If it s only 40 or 50 degrees out then a two stage furnace will run in the partially open position and only use about 60 of the energy of it s single stage counterparts. Off on low mode and on high mode. In furnace terminology stages refers to the levels of heat output a furnace can provide.

Single stage furnace features. Generally two stage furnaces cost about 500 more than comparable single stage models. How much does a two stage furnace cost. 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.

Run at 70 capacity most of the time but can run at 100 too. Most of the time the furnace will run on the lower setting. Two stage furnace features. Two stage or dual stage furnaces have three settings.