A furnace with single-stage heating contains a fixed gas valve and a single-speed blower motor. ... A model with two-stage heating contains a two-stage gas valve and a variable-speed blower motor. This allows the furnace to run at a lower setting in milder weather and a higher setting in very cold weather.
What is the advantage of a 2 stage furnace?
Two-stage furnaces are able to produce more even heat distribution by using two levels of heat output . This allows the furnace to use technology to determine what level of heat output is needed for the current situation. These settings would include high for extreme cold and low for milder days.
Which is better single-stage or two-stage furnace?
The ability to switch between two power modes makes two-stage furnaces more energy-efficient than their single-stage counterparts. The low power mode allows the unit to conserve energy as well as reduce temperature fluctuations and uneven heating in your home.
Is a two-stage furnace worth the money?
Is A Two-Stage System Worth The Money? Despite costing more upfront, two-stage furnaces do have money-saving benefits . ... The two-stage furnace is more efficient than the one-stage because it doesn't release as much fuel into the heat exchanger when the home is only somewhat cold.
Do you need a special thermostat for a two-stage furnace?
The thermostat only kicks in the second stage if the furnace can't maintain 6 to 8 degrees per hour . A two-stage thermostat may need more wires than your current programmable thermostat. ... If you plan to keep your home at a constant temperature, you don't need a two-stage thermostat.
Can you convert a single stage furnace to a two-stage?
It works fine , but have the problems you would expect with an oversized single stage furnace. When the heat kicks on, we get blasted with heat, it shuts off, then we get cold pretty quick.
Is a 96 furnace worth the extra money?
A 96% AFUE gas furnace is top of the line, powerful, and efficient . In fact, a 96% AFUE gas furnace is one of the most efficient gas furnaces available. ... After all, the difference in price between an 80% AFUE gas furnace and a 96% AFUE gas furnace is not nothing. The average is usually somewhere around $1000.
How efficient is a 20 year old furnace?
The U.S. Department of Energy indicates that a 20-year-old furnace wastes at least 22 % of the energy it consumes . ... Compare that to a new furnace whose AFUE (annual fuel utilization efficiency) rating is 95%, meaning that you only lose half a dollar for every ten dollars' worth of energy consumed by your furnace.
Are 2 stage furnaces quieter?
A two stage furnace is quieter and generates more even heat through the house. The longer, slower heating cycle eliminates the kind of rapid warming that many people find uncomfortable from a single stage furnace.
Why is furnace installation so expensive?
The number one reason why your furnace installation costs so much is because you are paying for a long-term investment . Like we mentioned earlier in this article, your furnace will last up to 15 years or more.
What are the worst furnaces?
- Arcoaire (2.2 average rating)
- Buderus (1.7 average Rating)
- Burnham Furnaces (1.8 average Rating)
- Ducane (2.3 average rating)
- Evcon (2.2 average rating)
- Keepright (2.4 average rating)
- Tempstar (2.5 average rating)
- Weatherking (2.4 average rating)
Does a two-stage furnace use more electricity?
The two-stage furnace has more efficiency than the one- stage furnace. If the home is not too cold, it will release less fuel and save energy that way. ... while the 2006 ASHRAE test method shows just a 0.4% diminishing in fuel use. The power use of two-stage furnaces instead of single-stage furnaces increases by 11%... “.
Are two furnaces better than one?
One furnace is often not adequate when heating a large house or office building. A second furnace allows you to add more heat into the home without overextending your existing furnace. Heat disperses through a space, so a large house is likely to still have drafty areas with a single furnace.
What size furnace do I need for a 2000 square foot home?
A mid-sized home of 2,000 square feet would need approximately 50,000 to 60,000 Btu to heat it properly. With a less efficient furnace operating at 80 percent efficiency this would require a 60,000- to 72,000-Btu furnace.
What does a 2 stage furnace mean?
Two-stage heating means the furnace has two levels of heat output: high for cold winter days and low for milder days . Since the low setting is adequate to meet household heating demands 80% of the time, a two-stage unit runs for longer periods and provides more even heat distribution.
What does Stage 1 and 2 mean on my thermostat?
The second stage is the full capacity of your system. 1/3 compressor capacity is the 1st stage . 1st stage is more efficient than 2nd stage, but systems are designed to use both stages, so no worries there.
