8145 Fresh Air Ventilator w/ Powered Damper & Filter
Product Highlights
6"
6"
60°F Max Temp
115V
5 Year Warranty
Description
The Aprilaire 8145 Fresh Air Ventilator is designed to bring in precisely the right amount of outdoor air into today’s efficient homes. Integrated controls allow the ventilator to be hardwired. Powered damper is removable. Washable MERV 6 filter included.
Product Features
- Lightweight design, snap-on mounting brackets make install quick and easy.
- The 8145 Ventilator’s construction provides for easy access to quickly view and replace filter.
- Durable construction withstands jobsite abuse. Slim design for more maneuverability in attics and closets.
- Better air exchange control and more benefits versus exhaust ventilation. Positive pressure, air exchange rate at 180 CFM.
Specs
| Inlet Size: |
6" |
|---|---|
| Outlet Size: |
6" |
| Max Temp (F): |
160°F |
| Voltage: |
115V |
| Warranty: |
5 Year |
Why Modern Homes Need Mechanical Fresh Air Ventilation
The Problem with Today's Tightly Sealed Homes
Newer construction and energy-efficient retrofits (better windows, improved insulation, air sealing) are excellent for reducing energy costs — but they also significantly reduce natural air leakage that older, "leakier" homes relied on for passive fresh air exchange. The unintended result is that indoor air can become stale, humid, and increasingly concentrated with pollutants, VOCs, and CO2 over time, since there's nowhere for it to naturally escape. A mechanical fresh air ventilator like the 8145 is specifically designed to solve this problem by deliberately introducing a controlled amount of outdoor air into the home.
Positive Pressure vs. Exhaust-Only Ventilation
Many homes rely on simple exhaust fans (bathroom fans, kitchen range hoods) to remove stale air, but these only pull air out — which can actually depressurize a home and pull in unconditioned, unfiltered air through random cracks and gaps rather than through a controlled entry point. The 8145 instead uses positive pressure ventilation, actively bringing in fresh outdoor air at a controlled rate (180 CFM) through a single, filtered, hardwired point — giving you:
- Consistent air exchange rather than relying on random infiltration
- Filtered incoming air (via the included washable MERV 6 filter) rather than unfiltered air seeping in through gaps
- Better overall indoor air quality control, since you're managing where and how outdoor air enters rather than leaving it to chance
Powered Damper: Ventilation on Your Terms
The removable, powered damper allows the system to actively control airflow rather than passively venting — meaning fresh air intake can be regulated rather than constant, helping balance indoor air quality needs against energy efficiency and comfort.
Built for Practical Installation
- Lightweight design with snap-on mounting brackets — simplifies installation without requiring elaborate structural support
- Slim profile — designed to fit into the tight spaces common in attics and utility closets where ductwork often needs to be routed
- Easy filter access — the housing is designed so the washable MERV 6 filter can be quickly inspected and cleaned without a complicated teardown
- Durable, jobsite-tested construction — built to withstand the rougher handling typical of installation environments
Who Should Consider a Fresh Air Ventilator
- Homeowners in newer or recently renovated homes with improved air sealing and insulation
- Households noticing persistent stuffiness, odors, or elevated humidity despite normal HVAC operation
- Anyone pairing mechanical ventilation with other IAQ equipment — such as a whole-home dehumidifier or UV air purification system — for a more complete air quality strategy
- Homes where a simple, single-point fresh air solution is preferred over a full energy/heat recovery ventilator (ERV/HRV) system
Fresh Air Ventilator vs. ERV/HRV: What's the Difference?
Unlike an Energy Recovery Ventilator (ERV) or Heat Recovery Ventilator (HRV) — such as the Honeywell 70 CFM ERV or Panasonic Intelli-Balance 100 — which exchange both incoming and outgoing air while recovering energy from the outgoing airstream, the 8145 is a simpler, single-point supply ventilator. This makes it a more budget-friendly option for homes where balanced dual-stream ventilation isn't required, though it doesn't offer the same energy recovery efficiency as an ERV/HRV in extreme climates.
Professional Installation Matters
Because this unit is hardwired and integrates with your existing ductwork, correct installation affects both performance and safety. Our licensed HVAC technicians will:
- Determine the optimal fresh air intake and connection point within your existing duct system
- Mount the ventilator securely using the snap-on bracket system
- Complete hardwired electrical connections per code
- Configure the powered damper and airflow settings to match your home's needs
- Walk through filter maintenance and cleaning intervals
Frequently Asked Questions
Does this replace my bathroom or kitchen exhaust fans?
No — it's a complementary supply-only ventilator; exhaust fans still serve their specific purpose for spot ventilation in bathrooms and kitchens.
How often does the filter need cleaning?
The washable MERV 6 filter should be inspected periodically as part of routine HVAC maintenance; our technicians can recommend a specific interval based on your home's air quality and usage.
Will this increase my heating and cooling costs?
Introducing outdoor air does require conditioning that air, which uses some additional energy — but the 8145 is engineered to introduce a controlled, appropriate amount rather than excessive uncontrolled infiltration, helping balance air quality needs with efficiency.
AprilAire is on a mission to make homes healthy. We believe everyone deserves Healthy Air and envision a future with Healthy Air in every home.
At AprilAire, our mission has always been to make homes healthy through intuitive design and professional-grade solutions — because healthy homes are the foundation for healthy people, families, and communities.
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