Troubleshooting Your HRV System: 4 Common Issues and Professional Solutions

3 min read
11 months ago

If you have an HRV (heat recovery ventilator) system, then you know that this device can be pretty great. It's a good way to improve indoor air quality and energy efficiency without breaking the bank.

However, it's important to remember that these benefits don't come without risk: many potential problems can plague your home's Best HRV Blenheim system over time.

Below, we'll look at four common issues and give professional solutions for each one!

hrv blenheim

1.   Dirty HRV System Filter

If your HRV system is running well, it's a good idea to clean the filters every 1-2 months. This will help keep the air in your home clean and prevent mould from growing on them.

It may be time for a replacement if you have an older or dirty filter. Typically, filters should be replaced every 2-3 years; however, some types of filters may last longer than others depending on their material composition and quality control standards during manufacturing processes.

So it's always best to consult with an HVAC professional before making any decisions about whether or not new ones are needed! Your best HRV Blenheim company can recommend how often they should be replaced based on how well they are working.

2.   HRV System Sounds

There are a few different types of sounds that you may hear from your Best HRV Marlborough system. The most common sound is a low hum that can be heard throughout the house and outdoors. Some systems tend to be louder than others, but they should not be a problem if they are not causing any discomfort or annoyance.

This is normal, and will typically decrease with time as the system breaks in or becomes more efficient at removing moisture from the air.

Another common sound is called "rattling"- when there is excessive moisture in the ductwork during winter months, or if there is tootoo much airflow goes side of an HRV unit instead of equal amounts coming out both sides equally.

3.   HRV System Will Not Turn On

First, check the power switch if your HRV unit does not turn on. If the unit is plugged in and the power switch is turned off, try flipping it back to "on". If this doesn't work, check your circuit breaker or fuse box and ensure there isn't an issue with either. If everything looks good there, move on to troubleshooting your HRV unit.

4.   HRV System Leaking Water

If your HRV is leaking water, check the drip pan under it. If it's full of water, empty it and reattach the drain tube. If there is no sign of leakage or clogging in your system, call an HRV Marlborough professional to look at your unit.

Check the pilot light if you have a gas or electric water heater. Relight it using a long match or barbecue lighter if it's out.


If you have an HRV Blenheim system, check these things first. If you're having issues with your HRV, don't worry! We can help. Contact us today to schedule a free consultation and learn more about how we can help solve your problem.

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