A tight house still needs to breathe.
Energy recovery ventilators bring in fresh air and exhaust stale air while keeping most of the heat and humidity where they belong.
- Types: Energy recovery (ERV) or heat recovery (HRV)
- Ducting: Dedicated or tied to the HVAC system

What it is, and why it matters.
Modern homes are built tight to save energy, which also traps cooking odors, moisture and the gases that furnishings and cleaners give off. Opening windows lets in humidity and pollen along with fresh air. An ERV or HRV exchanges indoor and outdoor air through a core that transfers heat, and in an ERV some moisture, so you get fresh air with much less energy penalty.
Nashville HVAC installs ventilation systems across Middle Tennessee, in new homes, remodels and tight older homes. We size airflow, plan ducting for intake and exhaust and wire controls. We also explain when simple measures, such as bath fans and kitchen hoods, are enough.
Four things done right.
Fresh air on purpose
Ventilation is planned, not left to leaks.
Energy-aware
The core recovers heat so conditioned energy is not thrown away.
Better odors and moisture control
Stale air and extra humidity are exhausted.
Sized and controlled
Airflow matches the house and runs when needed.
From first call to fresh air ventilation.
- 1
Review the house
We look at tightness, occupancy and current ventilation.
- 2
Design
We size airflow and plan intake and exhaust locations.
- 3
Install
We mount the unit, run ducts and wire controls.
- 4
Balance
We test airflows and set the schedule.
Fresh Air Ventilation across Middle Tennessee.
We do this work for homes and businesses from Nashville, Franklin and Murfreesboro to Gallatin, Hendersonville, Lebanon and Columbia.
Fresh Air Ventilation: common questions
What is the difference between an ERV and an HRV?
Both exchange air and transfer heat. An ERV also transfers some moisture, which helps in humid summers, and an HRV does not. We recommend one for our climate and your home.
Is ventilation needed in a leaky older house?
Older homes leak a lot of air, but not evenly. Remodels that tighten a house often need planned ventilation.
How do I get an estimate for fresh air ventilation?
Fill in the form or call or text 615-431-3789. Photos of the equipment and its label usually give us what we need, and we send a written price. Larger jobs start with a short visit.
Ready to talk about fresh air ventilation?
A short visit or a few photos, and a written price. A real person calls back promptly.



