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The Most Common Plumbing and HVAC Issues (and How to Avoid Them)

Preventative maintenance for both your HVAC and plumbing systems is key to avoiding unexpected breakdowns. Regular inspections, small repairs, and proper care will save you.

January 6, 2025

Table of Contents

Want to avoid sneaky plumbing & HVAC issues and the headaches that come with them? Keep reading.

We’ve got years of experience, and these are the most common issues you’ll see:

1. Dirty or Clogged Air Filters (HVAC)

  • The Issue: Dirty air filters restrict airflow, making your HVAC system work harder. This reduces efficiency, increases energy bills, and can lead to overheating or system failure.
  • How to Avoid It: Check and replace air filters every 1–3 months. Clean filters improve efficiency, extend system life, and keep indoor air quality healthy.

2. Leaky Faucets or Pipes (Plumbing)

  • The Issue: Small leaks waste water, increase utility bills, and can lead to mold, water damage, or larger plumbing failures if left unchecked.
  • How to Avoid It: Regularly inspect faucets, pipes, and under-sink areas for leaks. Address minor drips early and consider professional maintenance to identify hidden issues.

3. Thermostat Malfunctions (HVAC)

  • The Issue: Faulty or outdated thermostats cause uneven temperatures, short cycling, or systems that won’t turn on/off properly.
  • How to Avoid It: Upgrade to a programmable or smart thermostat for better temperature control and energy savings. Replace batteries regularly and ensure proper placement away from heat or drafts.

4. Clogged Drains (Plumbing)

  • The Issue: Hair, grease, and debris build up in drains, causing slow drainage or complete blockages. This can lead to water backups and pipe damage over time.
  • How to Avoid It: Use drain strainers to catch debris, avoid pouring grease or oil down the sink, and flush drains regularly with hot water. Schedule professional drain cleaning for stubborn clogs.

5. Refrigerant Leaks or Low Levels (HVAC)

  • The Issue: Low refrigerant prevents your AC or heat pump from cooling effectively. This forces the system to work harder and can cause expensive damage if ignored.
  • How to Avoid It: Schedule annual HVAC maintenance to check refrigerant levels and identify leaks early. Certified professionals can diagnose and fix the problem safely.

Pro Tip: Preventative maintenance for both your HVAC and plumbing systems is key to avoiding unexpected breakdowns. Regular inspections, small repairs, and proper care will save you time, money, and stress in the long run.

By staying proactive with these tips, you can keep your home comfortable and systems running efficiently all year long!

Mike Blaskowski

Plumbing/HVAC Manager

Mike brings extensive expertise to Finken as the Plumbing/HVAC Manager, where he leads a team dedicated to delivering high-quality plumbing and HVAC solutions for homes and businesses across Minnesota and western Wisconsin. With a passion for innovation and reliability, Mike ensures every project meets Finken’s high standards of excellence and customer care.