Variable-speed technology from Carrier is a home comfort breakthrough that will give your heating and cooling system the choice of when to conserve power and when to shift to the next gear.
Complete Infinity® home comfort systems with variable-speed technology are among our most efficient and effective at heating and cooling your home. Variable-speed technology works to increase home comfort in a number of ways:
Unlike standard single-stage systems, variable-speed units do not operate at one speed, repeatedly shutting off and restarting when indoor temperatures fluctuate. More than one speed means these units don’t have to work as hard to keep a room at the desired temperature, which can typically result in lower utility bills. And when the Infinity Touch™ control is managing an Infinity system with Greenspeed® intelligence, temperature variations of just a half degree are possible.
Humidity, or lack thereof, plays a big role in comfort. Due to their longer run times at lower speeds, heat pumps and air conditioners with variable-speed technology can improve cooling dehumidification, resulting in air that just feels better.
Noise reduction is another way variable-speed technology can maximize your family’s comfort. Infinity variable-speed heat pumps and air conditioners feature soft outdoor sound levels when running at slower speeds and often operate below 60 dBA. That’s quieter than the typical conversation.
Variable-speed technology can improve the performance of other indoor air quality products. By operating for longer periods of time at lower speeds, airflow is more consistent to components like air purifiers and humidifiers, giving them more time to influence air quality as it moves through the system.
Variable-speed technology was designed with this idea in mind: machines can work more efficiently and last longer when power is used intelligently.
Imagine the waste if our car engines constantly revved at stoplights and while stuck in traffic. This just wouldn’t be a smart use of energy, and the same premise is true of most home comfort systems. Because they only have two states—off and on—traditional single-stage units can’t distinguish between when to go easy and when to shift into a higher gear.
Well, that’s what makes variable-speed so special. While you could choose to step up to a two-stage system, this technology takes the increased comfort and efficiency two-stage systems offer and builds on it, essentially adding new gears (or operating stages).
Within the Carrier® variable-speed products portfolio, equipment featuring Greenspeed® intelligence is our gold standard. The Carrier® Infinity® 25VNA0 heat pump achieves a cooling Seasonal Energy Efficiency Ratio (SEER) of up to 20.5 and a Heating Seasonal Performance Factor (HSPF) of up to 13, for unprecedented home comfort and energy savings potential.
Greenspeed intelligence revolutionized efficiency and home comfort and has inspired two slimmed-down, variable-speed packages. The Infinity 18VS heat pump and Infinity 19VS air conditioner give you variable-speed technology at a price comparable to a two-stage unit, with impressive SEER ratings of 18 and 19, respectively.
The breakthrough design powering the Infinity® 18VS heat pump and 19VS air conditioner is an advanced, five-speed rotary compressor driven by a new, smarter inverter. These components work with the Infinity Touch™ control to reduce capacity (speed) by as much as 75%. This translates to a more comfortable home and exceptional energy efficiency.
These variable-speed smarts are packed into sleek cabinets, a fraction of the size of their two-stage counterparts. The 19VS is up to 41% smaller than the comparable, two-stage air conditioner from Carrier. The 18VS is up to 58% smaller than our closest two-stage heat pump.
If, like many homeowners, you still have some years left on that furnace, the good news is that the Carrier 18VS heat pump and 19VS air conditioner play well with others. Integrated electronic and design considerations mean these units can be matched with non-Infinity, even non-Carrier equipment, so you can build your ideal system over time.*
*Full functional benefits may be limited when installed with a conventional indoor unit and thermostat.
A complete Infinity overhaul can upgrade your home to the height of comfort and efficiency, particularly when you include a variable-speed unit with Greenspeed® intelligence. You can learn more about Greenspeed intelligence here.