Fantech HRV Fan VHR 70 Heat Recovery Ventilator 30-56 CFM at 0.4″ wg



Fantech HRV Fan VHR 70 Heat Recovery Ventilator 64-67 CFM at 0.4″ wg

Fantech VHR 70

V = Vertical discharge
H = Heat recovery
R = Remote low voltage
70 = 70cfm, 4 port design


  • 64-67 CFM (31-32 L/s) at 0.3″ wg or 55-56 CFM (26 L/s) at 0.4″ wg
  • Small compact size
  • Includes easy-mount wall bracket
  • 3-speed ventilation
  • Uses low voltage controls
  • 4″ top ports

Weight: < 29 lbs – Size: 211/2“L x 103/16“W x 155/8“H


Compact top port design HRV with easy-mount wall bracket. Brings a continuous supply of fresh air into a home while exhausting an equal amount of contaminated air. HRVs use what is called a “sensible” heat recovery core. This special core transfers heat from the exhaust air stream to the incoming air stream. Fresh incoming air is tempered by the heat that is transferred from the outgoing air to save on energy costs. The VHR 704 is equipped with automatic defrost mechanisms so even if you live in the coldest climates you can use your HRV all year long.

• Super Compact Size
• Top Port Design Fits in Tight Spaces
• Includes Easy-Mount Wall Bracket
• Aluminum Heat Recovery Core
• 4” (100mm) Duct Connections
• No Balancing Required
• Easy Access Service Door
• 3’ (914mm) Plug-in Power Cord
• Automatic Exhaust Defrost Allows Units to Always Stay in Ventilation Mode
• Only 26 lbs. (12 kg)
• Electrostatic Filters (washable)
• Easy Core Guide Channels For Removing Core
• Multiple Speed Operation

• EDF1 – Multi-function control
• RTS3 – 20/40/60 minute over-ride
• RTS2 – 15 minute over-ride
• COM 4P – 4? Weather Hoods (1 supply & 1 exhaust)
• FEL 4 – 4? 90° Elbow
• CG 4 – 4? Adjustable Grille


CASE 24 gauge galvanized steel. Baked powder coated paint, grey. Cabinet fully insulated with 1" (25 mm) aluminum foilface high density polystyrene foam to prevent condensation and meet the requirements of the UL 94HF.

MOTORS Two (2) German-manufactured, factory-balanced ebm™ motors with backward curved blades. Motors come with permanently lubricated sealed ball bearings to guarantee long life and maintenance-free operation. Seven (7) year warranty. Steep fan curves requires no balancing of airflows.

CORE Aluminum heat recovery core configured for efficient cross-flow ventilation. Core is 8.5? x 8.5? (216 x 216 mm) with a 8? (205 mm) depth. Cores are manufactured by Fantech to withstand extreme temperature variations.

FILTERS Two (2) Washable Electrostatic Panel Type Air Filters, 8.5? (216mm) x 8? (203mm) x 0.125? (3mm).

CONTROLS Unit is designed to accommodate the whole series of Fantech HRV controls.

DEFROST A preset defrost sequence is activated at an outdoor air temperature of 23°F (-5°C) and lower. During the defrost sequence, the supply blower shuts down & the exhaust blower switches into high speed to maximize the effectiveness of the defrost strategy. The unit then returns to normal operation, and continues cycle.

SERVICEABILITY Core, filters, motors and drain pan can be easily accessed through latched door. Core conveniently slides out on our new easy glide core guides. 10? (250mm) of clearance is recommended for removal of core.

DUCT CONNECTION 4? (100mm) steel duct connections with rubber gasket for easy sealing.

DRAIN 1/2? (13mm) OD (outside diameter) drain spout provided, entire bottom of unit covered by pan.

WARRANTY Limited lifetime on aluminum core, 7 year on motors, and 5 year on parts.

• Model: VHR 704
• Total assembled weight: 26 lbs (12kg)
• Cabinet: 24 ga. steel w/powder coat finish
• Motors: ebm motors w/backward curved blades
• Filters: 2 washable electrostatic filters 8.5" (216mm) x 8" (205mm) x 0.125" (3mm)
• Insulated with 1" (25 mm) aluminum foil-face high density polystyrene foam to prevent condensation and meet the requirements of the UL 94HF.
• Core: Aluminum 8.5? (216mm) x 8.5? (216mm) x 8? (205mm)
• Supply & exhaust ducts: 4? (100mm)
• Mounting: Wall bracket included
• Electrical requirements:
Volts Frequency Amps Watts
115V 60Hz 0.36A 40W
3' plug-in power cord w/ 3-prong plug


Detailed Product Information
  • Products Regular Price: $674.95
  • Condition: New
  • Payments Accepted: AMEX, Visa, MasterCard, Discover and PayPal
  • Shipping Available to: United States
  • Available at: Wave Plumbing Supply
  • Model: VHR 70
  • Manufactured by: Fantech Exhaust Fans