Gas Furnaces

Furnaces

WITH ALL OF THIS WARM, COZY COMFORT, OUR FURNACES SHOULD COME WITH A LOUNGE CHAIR AND SUNSCREEN.

Think of your furnace as the heart of your home. In the winter, it radiates warmth to your living spaces. During the summer, it plays a vital role in circulating refreshing, conditioned air from your cooling system. And all year long, your furnace can provide consistent air circulation to keep you more comfortable. Not only that, but our ENERGY STAR® qualified models do it all so efficiently your own heart might skip a beat when you see how low your utility bill is.

Carrier® gas furnaces offer a model to suit every need, with intelligent, multi-stage, variable-speed models in our premium Infinity® series, deluxe two-stage choices in our Performance™ series, and 90+% AFUE efficient models in our value-driven Comfort™ series. Our forced-air units can keep your home warm with models that automatically adjust as conditions change, circulating warm air nearly continuously for high efficiency, quiet operation and consistently comfortable temperatures. And, every gas furnace we make passes the legendary Carrier 100% run testing for quality and reliable performance.

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Powerful, Precision Technology for Furnaces

If you could look under the hood of a Carrier gas furnace, you’d see what drives the performance: a serious commitment to precision technology and quality. Depending upon the model, you might find a modulating gas valve that can be adjusted up or down in 1% increments. Models with variable-speed blower and inducer motors can deliver consistent temperature control all year long and enhanced humidity control as a part of your air conditioning system. Our 90+% AFUE rating gas furnaces include two heat exchangers -- a primary heat exchanger that does most of the work and a secondary heat exchanger that wrings out additional heat for higher efficiency and comfort. And, for reliable start-up and heating operation, all models feature our patented PowerHeat™ igniter.

Additional comfort enhancing functions on select models include Ideal Humidity System® technology for relief from hot and sticky summer air and ComfortFan™ technology, which allows you to select furnace fan speeds from the Infinity System Control. Carrier furnaces combine quality and performance in a durable, attractive and compact cabinet. And if the mention of “compact cabinet” prompts you to ask yourself, “What size furnace do I need?”, you’re in luck! Your local Carrier expert can properly size and install the Carrier gas furnace that makes the most sense for you.



Types of Forced Air Furnaces

When your search for a new furnaces starts heating up, keep in mind that not all models are created equally. Most forced air models fall into two categories based on their fuel source -- natural gas or oil furnaces. And in most cases, the decision between natural gas or heating oil is already made for you based on the fuel source available for your home. If you have the ability to decide between a natural gas or heating oil furnace, consider the cost differences between the furnace itself as well as the price of natural gas versus heating oil. Your up-front furnace cost may be a once every 10-15 years occurrence, while the fuel source will be an ongoing monthly cost.



Condensing Furnaces

All furnaces include a heat exchanger, which converts combustion gases into heat for your home. Condensing models employ a secondary heat exchanger which squeezes additional heat from combustion gases to achieve 90% or better AFUE efficiency. Most standard models with one heat exchanger deliver around 80% AFUE efficiency.



Can My Furnace Heater Use Propane?

Many of the Carrier gas furnaces currently available can be converted for use with propane. The process includes replacing burner orifices, installing spoiler screws, installing a low gas pressure switch and making several additional adjustments. This is a job for your local, professional Carrier HVAC expert, and definitely not for the average home DIYer. To learn more about propane furnaces and furnace conversions, click on the propane furnaces link.



Furnace Stages

Today’s forced-air furnaces are available in single-stage, two-stage or multi-stage models. Think of heating stages as gears on a bicycle or a car. Single-stage models are like a bicycle with one gear. It’s great on a flat stretch of road, but takes a lot more energy to go up a steep hill. Two-stage models add a second gear, one to handle everyday heating needs, and a second gear to provide additional heating as needed. Multi-stage, or modulating stage furnaces are like cruise control on your car, adjusting up and down as needed to provide comfort and efficiency as weather conditions change.



Furnaces for Any Home – Any Budget

When you turn to the Carrier experts for your home heating system needs, you’ll find a comprehensive selection of natural gas and oil furnaces designed to fit any home and nearly any budget. Of course, the cost of a new furnace often reflects the comfort benefits, performance and length of warranties. For those who enjoy the best of the best, our premium, Infinity® series models deliver the highest efficiency and the most innovative comfort features we offer, quieter operation, and enhanced summertime humidity control as part of your home air conditioning system.

If you like premium perks at a more modest price, our Performance™ series models deliver the best of both worlds. If you are cost-conscious, our more budget-friendly Comfort™ series units can still achieve high efficiency with all of the built-in quality, support and backing of the inventor of modern air conditioning – Carrier.



High Efficiency Furnaces

You can compare furnace efficiency among models from different manufacturers using the AFUE rating -- the higher the AFUE, the better the efficiency. Current high efficiency furnaces can be rated up to 98.5% AFUE, which can reduce utility costs over the life of the furnace.. In many cases, our Carrier high efficiency furnaces also include technology that can produce enhanced comfort benefits and quieter operation as well.

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