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High Efficiency Gas Furnaces

BOSCH Furnace

The bottom line is that every home needs a heating system.

Why not invest in a high-efficiency system that not only saves you money on energy bills, but can keep the temperature in your home more consistent and comfortable, help keep the air in your home cleaner, and reliably perform for many years to come?

Plus, 95%+ high-efficiency systems are the only systems that qualify for utility company rebates, which further reduces the initial cost of investment.

Where does my money go?

Average annual energy bill for a typical single family home

What is AFUE?

AFUE

Stands for Annual Fuel Utilization Efficiency

So if a furnace says 80% …

…that’s how much of your money is used to heat your home.

[ The rest is wasted. ]
Divided dollar bill

Stages Explained

Stages refer to how a furnace’s gas valve functions.

There are three types:

Light Switch

Single Stage

Single-Stage is like a light switch – the furnace is either “on” or “off”
Two-Stage Furnace Concept Illustration

2-Stage

Two-Stage is like having two furnaces – a small one for moderate days and a big one for really cold days.
Dimmer Switch

Modulating

A Modulating Gas Valve is like a dimmer switch – you can always get the exact amount of heat that you need.

What About the Blower?

There are 2 different kinds of blower motors:

Light Switch

Single Speed

A Single Speed Blower Motor is again like a light switch – the blower is either “on” or “off”.

Since hot air rises, the warmest part of the room is the ceiling instead of lower where we actually live.

Pot of Soup

Variable Speed

With a Variable Speed Blower Motor, the fan runs most of the time which “stirs” the air like a pot of soup, leading to a
more consistent temperature and less hot and cold spots.

Therefore, a lot less electricity is used.

Energy Wattage Consumption

Energy Wattage Consumption Graph

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