Heat pumps, HRVs, and indoor air quality
Two systems. One job: keeping your indoor air clean. Here's how they work together and why both need annual cleaning.
What your heat pump does for indoor air
A heat pump moves air through filters, coils, and a blower. If those parts are clean, air moves more freely. If they are dirty, the unit can circulate dust, odours, and particles from inside the head.
This is why heat pump cleaning matters for indoor comfort — not just heating and cooling performance.
What your HRV or ERV does
An HRV or ERV helps bring fresh air into the home while exhausting stale air. These systems often run quietly in the background, so homeowners forget about them.
But filters, cores, vents, and drains still need attention. Natural Resources Canada says HRV and ERV ventilation equipment requires annual maintenance to ensure peak efficiency. If they are dirty, the system may not ventilate as well as it should.
Why Halifax homes should care
Many Halifax and HRM homes are sealed tighter than older homes. That helps with energy efficiency, but it also means ventilation and air circulation matter more.
Heat pumps, HRVs, and ERVs should work together. One conditions the air. The other helps refresh it. When one system is dirty, the other has to compensate.
Signs your indoor air systems need cleaning
Look for musty air, dust around vents, weak airflow, condensation concerns, odours when systems turn on, filters that get dirty quickly, or allergy-like symptoms indoors.
These signs don't prove one single problem, but they are good reasons to inspect your heat pump, HRV, or both.
Recommended maintenance rhythm
For most Halifax homes: check heat pump filters monthly and clean them every 1 to 3 months. Book a heat pump deep clean once per year, or sooner for heavy use. Schedule HRV or ERV maintenance annually.
Book extra cleaning after renovations, smoke exposure, pet turnover, or visible buildup. GreenPump Care's HP + HRV bundle saves $29 over booking separately and covers both systems in one visit.
Common questions
- Should I clean my HRV at the same time as my heat pump?
- It's efficient to bundle them. GreenPump Care's HP + HRV bundle is $299, which covers both systems in one appointment at a $29 discount.
- How does a dirty HRV affect my heat pump?
- A clogged HRV increases indoor humidity and reduces fresh air exchange, which can make the heat pump work harder and contribute to moisture-related buildup inside the heat pump head.
- Is ERV cleaning the same as HRV cleaning?
- The process is essentially identical. The core design differs slightly, but disassembly, wash, drain flush, and airflow check are the same. Price is $129 for either system.
Ready for a deep clean?
Put this into practice in your home.
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