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As part of a central heating and cooling system, a furnace converts fuel (gas or oil) into heat, and then uses a blower to circulate warm air throughout your house. In summer, a furnace works with your heat pump or air conditioner to deliver cooled air throughout your home.

Jan 26, 2023 · Shopping for a gas furnace? Read about types, features, and other must-know topics in our gas furnace buying guide to make an informed choice.

You can find just the right replacement furnace or heating system to suit your home and budget. When you buy a furnace online, you can enjoy significant savings — especially when you choose from our inventory of High-Efficiency Furnaces.

Feb 20, 2025 · We evaluated the top furnace brands based on their performance, reliability, and value. Whether you’re upgrading an old system or installing a new one, our guide can help you make an informed decision that ensures your family stays cozy for many winters to come.

Feb 11, 2024 · What is a furnace? From its components to its operation, our guide covers everything you need to know about the furnace and how it can benefit your home.

Your furnace is the powerhouse behind your home’s heating system, and furnaces aren’t one size fits all. This furnace comparison will walk you through the different types of furnaces, the best furnace brands, and how to choose the right one for your home.

Feb 2, 2024 · Most top furnace brands have been in operation for decades, with some having HVAC expertise going back over 100 years. I researched a wide range of more than 25 popular furnace brands, weighing...

Feb 15, 2025 · The Merriam-Webster Dictionary tells us a furnace is “an enclosed structure in which heat is produced.” However, homeowners often use “furnace” in a more causal way, to describe their entire heating, ventilation and air conditioning (HVAC) system.

Jan 29, 2021 · During colder months, a furnace heats your home by pulling air across its heating components. From there, the heated air travels through your ductwork and to individual rooms of your home. Throughout the year - even during warmer months - a furnace circulates conditioned air around your home.