What is a heat recovery ventilation system?

by | Feb 5, 2025 | Air Conditioning Company

You know that satisfying feeling when you open a window for some fresh air—but immediately regret it because all the heat (or cool air) escapes? A heat-recovery ventilation (HRV) system gives you the best of both worlds: fresh, clean air without sacrificing indoor comfort or efficiency.

What is a Heat-Recovery Ventilation System?

At its core, an HRV system is a mechanical ventilation solution that exchanges stale indoor air for fresh outdoor air. But here’s the clever part: instead of letting all that conditioned air go to waste, the system captures up to 90% of the heat (or coolness) from the outgoing air and transfers it to the incoming air.

This exchange happens in a heat exchanger, where the two airflows pass by each other without mixing. The result? A constant supply of fresh air at a comfortable temperature, all while reducing energy loss.

Why Choose a Heat-Recovery Ventilation System?

There are plenty of reasons HRV systems are becoming a go-to for offices, warehouses, and other spaces where air quality and energy efficiency matter:

  • Improved Air Quality: Say goodbye to stuffy rooms. HRV systems remove indoor pollutants like carbon dioxide, allergens, and dust while bringing in fresh air from outside.
  • Energy Efficiency: Traditional ventilation can be a bit wasteful, especially if you’re heating or cooling the air you’re tossing out. HRV systems recover most of that energy, saving you money on utility bills.
  • Temperature Control: No more chilly drafts in winter or sweltering gusts in summer. The heat exchange process tempers incoming air, so your HVAC system doesn’t have to work as hard.
  • Moisture Management: Some HRV systems also balance indoor humidity, reducing condensation and the risk of mould growth.

Who is it Best For?

HRV systems are perfect for buildings that are sealed up tight for energy efficiency but still need proper ventilation. Think offices, warehouses, or any place where lots of people gather—and breathe.

If you’re looking for a way to improve air quality without sending your energy bills through the roof, a heat-recovery ventilation system is a smart investment. It’s efficient, practical, and keeps everyone inside breathing easier.

Curious about heat-recovery ventilation? Get in touch to find out how an HRV system could work for your building and keep your air clean, fresh, and efficient.