Dwell
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VHR 704R / VHR 70R NEW
Heat Recovery Ventilator
*
As Fantech's most compact, full-featured HRVs with recirculation defrost for
better efficiency, the VHR 704R / VHR 70R units bring a continuous supply of
fresh air into a home while exhausting an equal amount of contaminated air.
The VHR 70R (NEW) is an ENERGY STAR® qualified* unit. During winter, fresh
incoming air is tempered by the heat that is transferred from the outgoing air so
you save on energy costs, while during summer, the incoming air is pre-cooled if
the house is equipped with an air cooling system. These units are equipped with
automatic recirculation defrost mechanisms so even if you live in the coldest
climates you can use your HRV all year long.
Airflow up to 58 cfm / 55 cfm @ 0.4” Ps serves 1 to 3 bedroom homes
Top port design fits in tight spaces
Three speed ventilation control
Equipped with recirculation defrost
Integrated balancing damper and balancing port
Easy access service door
Compatible with Fantech's low-voltage controls
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Defrost cycle time
Maximum continuous airflow (VHR 704R / VHR 70R)
in.wg
0.1” Ps
0.2” Ps
0.3” Ps
0.4” Ps
0.5” Ps
Temperature range OF
Run / Defrost time (min)
Net supply air flow
84 / 80
76 / 73
64 / 65
55 / 57
44 / 49
23 to 14
40 / 3
Gross supply air flow
86 / 81
77 / 74
66 / 66
56 / 58
45 / 50
14 to 5
30 / 5
Gross exhaust airflow
91 / 76
81 / 69
70 / 64
58 / 60
43 / 53
5 & lower
20 / 5
cfm
Energy performance (VHR 704R / VHR 70R)
Supply temperature
Heating
Net airflow
Sensible recovery
efficiency
Consumed power
Apparent sensible effectiveness
Latent recovery/moisture
transfer
F
cfm
W
%
%
-
32
52 / 42
34 / 36
61 / 65
69 / 74
0.00 / 0.01
O
32
64 / 64
44 / 48
61 / 63
66 / 72
0.00 / 0.00
-13
75 / 47
44 / 40
59 / 62
67 / 79
0.00 / 0.02
-13
57 / 71
42 / 4562
61 / 62
73 / 80
0.01 / 0.01
Specification data
Model
inch
V/~
W
A
cfm
VHR 704R
NEW
Duct
size
5
120 / 1
48
0.4
VHR 70R
5
120 / 1
48
0.4
*
Voltage /
phase
Rated
power
Max
amps
Average airflow
@ 0.4” Ps
Connection
Defrost
cycle
Shipping
weight
Item #
55
Top
Recirculation
30
41050
842.00
58
Top
Recirculation
30
44695
960.00
lbs
List price
USD
* This product earned the ENERGY STAR® by meeting strict efficiency guidelines set by Natural Resources Canada and the US EPA. It meets ENERGY STAR® requirements only when used in Canada.
fantech