The Truth About Variable Speed Features
If you’re considering a new furnace or air conditioner for your home, you’ll hear the term ‘Variable Speed’ and see the letters ‘VRV-VRF’ during discussions and in reviewing sales materials. But, what do these mean? More important, are they worth the added costs attached to equipment with this feature?
Here’s the truth . . .
Today’s heating and air conditioning systems are incredibly sophisticated machines – far superior to their predecessors. They’re fine-tuned, highly-sensitive operating systems designed with controls and sensors to maximize efficiency. Efficiency that results from:
- Keeping more treated air inside your home (less exhaust).
- Maintaining a more constant temperature level in your home.
It’s the second result – maintaining more consistent temperature – that is the product of advance technologies like Variable-speed features.
Your local HVAC Dealer can fully explain the technology but, since it is a costly feature, I want to offer my thoughts. Simply stated . . .
Variable Speed technology automatically alters the speed of the flow of air throughout your home. A multi-speed blower automatically changes – from high-to-low – to create consistent room temperature.
This is different from the traditional operation of a furnace with a single HIGH-speed that goes on-and-off in cycles as the thermostat setting and room temperature varies. The single HIGH-speed blower fan tends to be . . . noisy . . . wares-out parts quickly due to frequent on-and-off cycles . . . uses more energy in starting and stopping the High-speed blower . . . and, as a result, is less efficient.
Variable Speed technology is:
- Affords greater comfort.
- Offers humidity or dehumidification control.
- Delivers more even temperatures throughout your home.
Variable speed technology is already part of many high-efficiency furnaces. It’s recognized as superior technology. And, it delivers greater comfort for your home.
While variable speed features make HVAC equipment more expensive, they save homeowners in energy costs each month. It pays for itself. The time in which you recoup your investment will vary from house-to-house.
Do the Math.
As you consider variable speed for your furnace, a Certified HVAC expert can help as you weigh the value. Plus, your local HVAC expert can offer advice on manufacturers’ discounts and rebates and applicable government tax credits.
You’re making a multi-year investment in your home. Careful study is necessary to weigh the variables and project your future comfort level. There’s no easy answer. Each situation is truly unique.
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