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2 Big Reasons to Buy a 2-Stage or Modulating Furnace

December 9, 2013 | Blog

In Texas, people think of air conditioners much more than they do furnaces. But did you know your furnace works year-round to support your air conditioner? That’s why you should invest in a quality furnace for your home. Here are two reasons you should buy a 2-stage or modulating furnace for your home.


Comfort is a moving target sometimes. When you are truly comfortable, you never stop and think, “Wow – I sure a, comfortable.”  It’s more likely you think about comfort only when you are uncomfortable.

Air conditioning manufacturers have figured out that making blower motors that can alternate speeds allows for a more consistent and comfortable climate. Instead of making you wonder when the AC is going to turn on again, alternating the speed of the blower from 30% to 100%  means the home does not have as many fluctuations in temperature throughout the day as a system that runs at 100% or 0%. Slow and steady wins the race, even in HVAC technology!

Additionally, lower motor speeds create longer run times for the furnace. You might think this uses more energy, but it doesn’t. When your air conditioner works, it creates a more comfortable environment by taking heat and humidity out of the air. Longer run times not only keep a consistent room temperature but also allow for the system to remove more humidity during the cooling cycle. In Houston, homeowners often find themselves feeling stuffy in their homes, especially during months that don’t require as much climate control (spring and fall). This is caused by humidity in your home, which is reduced by multi-speed furnaces.


Multi-speed furnaces not only make your home more comfortable by providing consistent temperatures, but they also allow for less energy consumption. Previously, furnaces with one speed worked at either 100% capacity or weren’t on at all. This switching back and forth is exhausting for the blower motor. By dropping into speeds that require less energy to run- the overall efficiency increases compared to single-stage furnaces.

This is not limited to heating your home. The furnace’s blower motor also runs when you’re cooling the house. When the air conditioning is on, the furnace blower motor is the same motor that blows for cooling. Thus, the technology allows for lower energy consumption during both the cooling and heating of your home.

If you’re ready to replace your furnace with a more efficient model, contact Mission AC & Plumbing today.


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