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WhisperHeat® NATURAL GAS FURNACE
Comfort so quiet, you'll forget it's running.
Like Mom, the WhisperHeat® furnace protects you from the cold,
harsh winter
Remember those days you spent outside playing in the snow, sledding and
ice-skating? When you were having too much fun to notice the bitter cold?
And when you got home with numb ears and a runny nose, Mom was waiting
with dry clothes and a hot meal to warm you. Well, you can recreate those
same warm feelings with a WhisperHeat® furnace by Lennox. Originally
manufactured in 1989, the WhisperHeat furnace still provides comfortable
and quiet home heating - the old fashion way.
Silence Is Golden
Have
you ever taken early morning winter walks when the snow was falling and
all you could hear was the crunch of your footsteps underneath you? Peace
and quiet is precious, particularly today when life is hectic. If you
value the serenity of your home, the WhisperHeat® furnace is the right
choice for you. The WhisperHeat furnace is the quietest furnace around by
design. It is a natural draft furnace, which means it requires fewer
moving parts to operate. Obviously, with fewer parts there is less noise
generated. And, the parts that are in the furnace were designed to run
quieter. For example, the WhisperHeat's special ribbon burners eliminate
the "whoosh" noise of a furnace at start up, and its dynamically
balanced blower reduces vibration. All of these things come together to
offer you the quietest furnace on the market today.
Built
For Life
Technology moves at a very rapid rate. Virtually every appliance in
your home today is an improvement of past technology. Lennox, an industry
innovation leader, also offers unique, technologically advanced products.
However, sometimes you just want a product that can satisfy your needs.
For those who like traditional product values, Lennox offers the
WhisperHeat gas furnace. The WhisperHeat furnace has been around since
1989 keeping families comfortable. Its quality and reliability have been
proven over time.
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Quality Home Comfort

Your furnace typically resides inside the home in a variety of locations.
The supply ducts forces warmed air into the home after the air has
traveled cross the heat exchanger. At the same time the return duct is
pulling the cooler air from the home sending it past the heat exchanger,
starting the cycle over again.
Recognition of Quality

Lennox is proud of the fact that the WhisperHeat® furnace has earned the
reputable Good Housekeeping Seal. And
we build according to an ISO 9002 registered quality system.
Quality Dealers
You Can Count On
Choosing the right dealer is every bit as important as choosing the right
brand of equipment. Every Lennox Dealer, which includes independently
owned and operated businesses, has to meet the Lennox Quality Dealer
standards. We think you'll agree they're a big reason why you can count on
getting quality service whenever you call your Lennox Dealer.
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Quality Components
1. Duracurve® Heat Exchanger -- Designed to increase efficiency
and durability, as well as reduce air turbulence for quiet operation.
2. Draft Diverter -- Vents
itself without an electric induced draft blower, making it much more quiet
and energy efficient.
3. Electronic Ignition -- Increases safety and efficiency by
eliminating the standing pilot light.
4. Indoor Air Blower Control -- Customizes
air flow to meet the comfort demands of your home.
5.
Ribbon Burners -- Quiet operation eliminates annoying
"whoosh" of flame at start up.
6. Burner Box -- Increases
efficiency by trapping excess heat and using it to heat your home, instead
of letting it escape up the flue.
Easy Maintenance
7. Easy Filter Replacement -- Simple air filter design allows
easy access for filter replacement.
Efficient Design
8. Quiet Operation -- Insulated blower compartment and cabinet,
combined with super quiet blowers, help lower Sound levels.
The Home Friendly Furnace
Technology moves at a very rapid rate. Virtually every appliance in
your home today is an improvement of past technology. Lennox, an industry
innovation leader, also offers unique, technologically advanced products.
However, sometimes you just want a product that can satisfy your needs.
For those who like traditional product values, Lennox offers the
WhisperHeat gas furnace. The WhisperHeat furnace has been around since
1989 keeping families comfortable. Its quality and reliability have been
proven over time.
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WhisperHeat Gas Furnace Specifications
| G20 |
Q2E-50 |
Q3E-50 |
Q2E-75 |
Q3E-75 |
Q4E-75 |
Q3/4E-100 |
| Input Btuh
(kW) |
48,000 (14.1) |
48,000 (14.1) |
75,000 (22.0) |
75,000 (22.0) |
75,000 (22.0) |
100,000
(29.3) |
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| Output Btuh
(kW) |
38,000 (11.1) |
38,000 (11.1) |
59,000 (17.3) |
59,000 (17.3) |
60,000 (17.6) |
79,000 (23.1) |
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| AFUE |
78.0% |
78.0% |
78.0% |
78.0% |
78.0% |
78.0% |
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| Nominal
Add-On Cooling - Tons |
1, 1-1/2, or
2 |
2-1/2 or 3 |
1, 1-1/2, or
2 |
2-1/2 or 3 |
3-1/2 or 4 |
3, 3-1/2 or 4 |
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| kW |
3.5, 5.3 or
7.0 |
8.8 or 10.6 |
3.5, 5.3 or
7.0 |
8.8 or 10.6 |
12.3 or 14.1 |
10.6, 12.3 or
14.1 |
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| Electrical
Data - 60hz |
120
volts - 1 phase (less than 12 amps) All Models |
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| Shipping
Weight - lbs. (kg) |
148 (68) |
153 (69) |
160 (73) |
160 (73) |
183 (83) |
206 (93) |
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| Dimensions -
H.W.D. (in.) |
49x16-1/4x28-3/8 |
49x16-1/4x28-3/8 |
49x16-1/4x28-3/8 |
49x16-1/4x28-3/8 |
49x21-1/4x28-3/8 |
49x21-1/4x28-3/8 |
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| Dimensions -
H.W.D. (mm) |
1245x413x721 |
1245x413x721 |
1245x413x721 |
1245x413x721 |
1245x540x721 |
1245x540x721 |
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| G20 |
Q5/6E-100 |
Q3/4E-125 |
Q5/6-125 |
Q5/6E-150 |
| Input Btuh
(kW) |
100,000
(29.3) |
125,000
(36.6) |
125,000
(36.6) |
150,000
(44.0) |
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| Output Btuh
(kW) |
79,000 (23.1) |
99,000 (29.0) |
98,000 (29.0) |
120,000
(35.2) |
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| AFUE |
78.0% |
78.0% |
78.0% |
78.0% |
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| Nominal
Add-On Cooling - Tons |
5 or 6 |
3, 3-1/2 or 4 |
5 or 6 |
5 or 6 |
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| kW |
17.6 or 21.1 |
10.6, 12.3 or
14.1 |
17.6 or 21.1 |
17.6 or 21.1 |
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| Shipping
Weight - lbs. (kg) |
247 (112) |
247 (112) |
252 (112) |
294 (133) |
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| Dimensions -
H.W.D. (in.) |
53x26-1/4x28-3/8 |
53x26-1/4x28-3/8 |
53x26-1/4x28-3/8 |
53x31-1/4x28-3/8 |
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| Dimensions -
H.W.D. (mm) |
1346x667x721 |
1346x667x721 |
1346x667x721 |
1346x795x721 |
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| Note:
Due to Lennox' ongoing commitment to quality, all specifications,
ratings and dimensions are subject to change without notice. |
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