The two most important qualities of a furnace when determining its size are its heat output and efficiency. BTUs (Heat Output) To heat a home, 30 to 60 BTUs are required per square foot.

“Brands like Trane, Carrier and Lennox offer comprehensive ... you must determine the required Btu output. Btu (British thermal units)… HVAC Aug. 14 Electric furnace vs. gas furnace: Which ...

The size of the furnace you need mostly depends on your home’s square footage, insulation levels, and climate. Here is a simple way to estimate the required BTU output: Calculate the square ...

Looking for the most efficient HVAC system? Check out our guide, which details the different types of systems and the best for different homes and climates.

Read on for our list of the industry’s best furnace brands. Our top-rated furnace brand for 2024 is Lennox. We rated the company 4.9 out of 5 stars due to its energy efficiency features ...

Q: I turned on my furnace for the first time this year, and it made the whole house smell musty. I checked the filter and found it caked with dust, so I replaced it with a new filter, and the ...

Your AC system’s power, or tonnage — measured in British thermal units (Btu) — will affect the cost of replacement evaporator ...

You need heat, but you don't really need that much of a BTU output. So that definitely uses less gas.” Rebellon worked with Brandon Farr of Farr Mechanical to replace his old gas furnace. Farr is an ...

Learn about the typical solar panel wattages used in rooftop installations and how to estimate the ideal system capacity for your home. Leonardo David is a writer and energy consultant who has ...

Since building the first riveted steel furnace in 1895, Lennox has been a major name in heating and HVAC services. Like Carrier, Lennox today has its own Healthy Climate Solutions program that ...

Learn More › Air filters for furnace and home AC are designed to trap dust, dirt, bacteria, and other small particles. Depending on the MERV rating of the house air filter (which measures how ...