Product Overview
Our InverterFlex
®
multi-zone units let you condition one
up to ve rooms with just one outdoor unit (depending
on model). The contractor can design a system that
best meets the load requirements of each room being
conditioned because indoor air handlers can be mixed and
matched—all ve types of units shown can be used in the
same installation.
These 9,000, 12,000, 18,000, 21,000 and 24,000 BTUH
indoor units can be mixed, up to the point that their
combined capacity reaches the total allowable system
capacity—see the chart inside. All units must operate in the
same mode except “fan” only can always be selected. True
zone control is possible because each air handler operates
independently and has its own wireless remote.
InverterFlex
®
models incorporate all the advantages
of twin rotary inverter compressor technology. The
compressor speed is variable, depending on the load
demand. Most of the time the unit runs at low frequency,
saving energy while maintaining comfort, but ramping
up to higher frequency when needed. Temperature
uctuations and compressor on/off cycling are eliminated,
and indoor air quality is enhanced because air is
constantly being pulled through the lter and dehumidied.
InverterFlex
®
systems are also great for larger spaces
such as fellowship halls and commons areas: install
multiple units for quiet, efcient, easily controlled comfort.
FEATURES
(Varies according to type of indoor unit)
• Auto Swing—Continually adjusts air direction for a gentle, breeze
like effect preferred by most people
• Multiple Modes—Cooling, heating, fan only, dehumidication
only, plus:
• Sleep mode
• 24-hour timer
• Turbo mode
• Auto mode
• Intelligent Pre-Heating—Enhances comfort by preventing cold
air blow
• Auto Operation—Automatically selects the mode required to
maintain a constant temperature/humidity level
• “Follow” Function—Senses temperature at the remote and
adjusts air ow for comfort and efciency at its location
• Superior Filtration—Air lters are designed to help enhance
indoor air quality
• Auto Defrost—Defrosts only when necessary to save energy,
limit downtime
• Self-Clean Mode—Dries out indoor unit when not in use to
prevent mold growth
• Low Ambient Operation
5
Zones Indoor Units* Total BTUH
A-VFH18DB
1-2 Units
9K 9,000
12K 12,000
18K 18,000
21K 21,000
9K + 9K 18,000
9K + 12K 21,000
A-VFH24TB
1, 2 or 3
Units
12K 12,000
18K 18,000
21K 21,000
24K 24,000
9K + 9K 18,000
9K + 12K 21,000
9K + 18K 27,000
9K + 21K 30,000
12k + 12K 24,000
12K + 18K 30,000
12K + 21K 33,000
18K + 18K 36,000
9K + 9K + 9K 27,000
9K + 9K + 12K 30,000
9K + 12K + 12K 33,000
9K + 9K +18K 36,000
A-VFH30QB
1, 2, 3 or 4
Units
18K 18,000
21K 21,000
24K 24,000
9K + 9K 18,000
9K + 12K 21,000
9K + 18K 27,000
9K + 21K 30,000
12k + 12K 24,000
12K + 18K 30,000
18K + 18K 36,000
18K + 21K 39,000
9K + 9K + 9K 27,000
9K + 9K + 12K 30,000
9K + 12K + 12K 33,000
9K + 9K +18K 36,000
9K + 9K + 21K 39,000
9K + 12K + 18K 39,000
12K + 12K + 12K 36,000
12K + 12K + 18K 42,000
9K + 9K + 9K + 9K 36,000
9K + 9K + 9K + 12K 39,000
9K + 9K + 12K + 12K 42,000
A-VFH36QB
1, 2, 3, 4 or
5 Units
18K 18,000
21K 21,000
24K 24,000
9K + 24K 33,000
9K + 9K 18,000
Zones Indoor Units* Total BTUH
A-VFH36QB
1, 2, 3, 4 or
5 Units
9K + 12K 21,000
9K + 18K 27,000
12k + 12K 24,000
12K + 18K 30,000
12K + 24K 36,000
18K + 18K 36,000
18K + 24K 42,000
24K + 24K 48,000
9K + 9K + 9K 27,000
9K + 9K + 12K 30,000
9K + 9K + 18K 36,000
9K + 9K +24K 42,000
9K + 12K + 12K 33,000
9K + 12K + 18K 39,000
9K + 12K + 24K 45,000
9K + 18K + 18K 45,000
9K + 18K + 24K 51,000
12K + 12K + 12K 36,000
12K + 12K + 18K 42,000
12K + 12K + 24K 48,000
12K + 18K + 18K 48,000
18K + 18K + 18K 54,000
9K + 9K + 9K + 9K 36,000
9K + 9K + 9K + 12K 39,000
9K + 9K + 9K + 18K 45,000
9K + 9K + 9K + 24K 51,000
9K + 9K + 12K + 12K 42,000
9K + 9K + 12K + 18K 48,000
9K + 12K + 12K + 12K 45,000
9K + 12K + 12K + 18K 51,000
12K + 12K + 12K + 12K 48,000
9K+9K+9K+9K+9K 45,000
9K+9K+9K+9K+12K 48,000
9K+9K+9K+9K+18K 54,000
9K+9K+9K+12K+12K 51,000
9K+9K+12K+12K+12K 54,000
A-VFH42PB
1, 2, 3, 4 or
5 Units
21K 21,000
24K 24,000
9K + 12K 21,000
9K + 18K 27,000
9K + 21K 30,000
9K + 24K 33,000
12K + 12K 24,000
12K + 18K 30,000
12K + 21K 33,000
12K + 24K 36,000
18K + 18K 36,000
18K + 24K 42,000
24K + 24K 48,000
9K + 9K + 9K 27,000
Zones Indoor Units* Total BTUH
A-VFH42PB
1, 2, 3, 4 or
5 Units
9K + 9K + 12K 30,000
9K + 9K + 18K 36,000
9K + 9K + 21K 39,000
9K + 9K +24K 42,000
9K + 12K + 12K 33,000
9K + 12K + 18K 39,000
9K + 12K + 24K 45,000
9K + 18K + 18K 45,000
9K + 18K + 24K 51,000
9K + 24K + 24K 57,000
12K + 12K + 12K 36,000
12K + 12K + 18K 42,000
12K + 12K + 24K 48,000
12K + 18K + 18K 48,000
12K + 18K + 21K 51,000
12K + 18K + 24K 54,000
12K + 24K + 24K 60,000
18K + 18K + 18K 54,000
18K + 18K + 24K 60,000
9K + 9K + 9K + 9K 36,000
9K + 9K + 9K + 12K 39,000
9K + 9K + 9K + 18K 45,000
9K + 9K + 9K + 21K 48,000
9K + 9K + 9K + 24K 51,000
9K + 9K + 12K + 12K 42,000
9K + 9K + 12K + 18K 48,000
9K + 9K + 12K + 24K 54,000
9K + 9K + 18K + 18K 54,000
9K + 9K + 18K + 24K 60,000
9K + 12K + 12K + 12K 45,000
9K + 12K + 12K + 18K 51,000
9K + 12K + 12K + 24K 57,000
9K + 12K + 18K + 18K 57,000
9K + 18K + 18K + 18K 63,000
12K + 12K + 12K + 12K 48,000
12K + 12K + 12K + 18K 54,000
12K + 12K + 12K + 24K 60,000
12K + 12K + 18K + 18K 60,000
9K+9K+9K+9K+9K 45,000
9K+9K+9K+9K+12K 48,000
9K+9K+9K+9K+18K 54,000
9K+9K+9K+9K+24K 60,000
9K+9K+9K+12K+12K 51,000
9K+9K+9K+12K+18K 57,000
9K+9K+9K+18K+18K 63,000
9K+9K+12K+12K+12K 54,000
9K+9K+12K+12K+18K 60,000
9K+12K+12K+12K+12K 57,000
9K+12K+12K+12K+18K 63,000
12K+12K+12K+12K+12K 60,000
The total capacity for ALL indoor units cannot exceed 150% of the stated condenser capacity. For best performance, the indoor
units’ total capacity should be 100% or less of the condenser capacity. When a system is sized beyond 100% of the condenser
capacity, the compressor may not provide full capacity for all indoor units: sizing above 100% is generally specied when one
or more of the indoor units will not be in use most of the time. Also, the total capacity for ALL indoor units cannot be less than
50% of the condenser’s capacity.
Indoor Unit Mix ‘n’ Match Possibilities
SP-2M 5/20 CA-VFH
18,000 to 42,000 BTUH
InverterFlex
®
Series
MULTI-ZONE
HEAT PUMPS
“This product complies with all California product
labeling laws including, but not limited to, the Safe
Drinking W
ater and Toxic Enforcement Act of 1986,
more commonly known as Proposition 65.”
Due to ongoing product improvements, specifications and dimensions are
subject to change and correction without notice or incurring obligations. Determining the
application and suitability for use of any product is the responsibility of the installer.
Additionally, the installer is responsible for verifying dimensional data on the actual product
prior to beginning any installation preparations.
Third party incentive and rebate programs have precise requirements as to product performance
and certification. All products meet applicable regulations in effect on date of manufacture;
however, certifications are not necessarily granted for the life of a product.
Therefore, it is the responsibility of the applicant to determine whether a specific
model qualifies for these incentive/rebate programs.
Outdoor Unit
Ceiling Cassette
Floor & Ceiling Console
Ducted Unit
High Wall Mount
Floor & Wall Console
In recent years, heating and cooling manufacturers have made
signicant advances in the efciency of systems in terms
of energy usage. This is an especially important purchase
consideration as fuel prices continue to rise.
Cooling efciency is measured by a Seasonal Energy
Efciency Ratio (SEER) rating. The higher the number,
the more efcient the equipment. Our Comfort-Aire UltraV
systems are rated up to 25.0 SEER.
Heating efciency is shown by a Heating Season Performance
Factor (HSPF). This is an estimate calculated by dividing the
seasonal heating output by the seasonal power consumption
in watts. UltraV units are rated as high as 14.5, which is
considered very good.
All heating and cooling equipment comes with an Energy
Guide label which shows the estimated energy usage—you
can use these labels to compare equipment efciency. Your
dealer can help you determine which system is best for you,
taking into account a number of factors including the average
number of yearly cooling and heating days in your area of the
country, in addition to your individual needs.
WHAT DO WE MEAN BY
ENERGY EFFICIENCY?
When you buy Comfort-Aire products, you’re purchasing
the peace of mind that comes from dealing with a
company that has a long track record of success. We
have a well-deserved reputation not only for quality
products, but also for standing behind these products
with excellent warranty and support programs. Also,
you’ll nd our web site is a convenient resource: owners’
manuals can be downloaded and your installer can access
technical information and service manuals.
READY TO BUY?
SOME THINGS TO CONSIDER
Warranty—7 years on compressor, 5 years on parts
(Some limitations apply; see printed warranty for details.)
www.marsdelivers.com
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