Home Air Conditioner Tips: When It’s Time to Fix, Maintain or Replace

When your home air conditioner needs professional help, you have three options: maintain, repair, or replace.

You can trust all three of these services to the best HVAC company in Michigan. They serve homes in and around Oxford, Lake Orion, Metamora, and Ortonville.

The professionals at NES Plumbing, Heating & Cooling will inspect your air conditioner and make an expert determination of the problem. They’ll then recommend the best course of action and offer transparent pricing.

Is your AC system showing signs of distress? Call (248) 800-4144 or contact us online for an inspection!

5 Issues Home Air Conditioner Maintenance Fixes

What’s the difference between air conditioning maintenance and repairs? The answer is simple: maintenance fixes the problems that you, the homeowner, aren’t aware of.

When you contract your local HVAC provider for maintenance, here are five things they typically catch and fix:

  1. Refrigerant Micro-Leaks: Maintenance services catch these tiny cracks in your coolant lines before they lead to a seized compressor.
  2. Capacitor Decay: Technicians inspect your start and run capacitors and replace them before they fail and leave you without cool air on 90-degree days.
  3. Condensate Obstructions: HVAC techs clear the debris and algae from your drain lines to prevent overflow and water damage to your home.
  4. Contacting Surface Oxidation: By cleaning pitted electrical contacts, HVAC pros prevent mechanical friction and arcing that leads to a system short.
  5. Blower Assembly Imbalance: Identifying a slow or dirty blower wheel prevents wear and tear on the motor and enhances efficiency.

5 Signs You Need AC Unit Repairs

It may not be time to get a new AC unit. Maybe you just need a few repairs to keep the system pumping out cool air efficiently.

Call your local HVAC expert if your air conditioner starts displaying these signs:

  1. Turbulent Sounds: If your system is squealing, grinding, or making banging noises, it requires immediate attention. It’s usually a sign of mechanical friction, failing bearings, or a slipped blower belt.
  2. Thermal Inconsistency: If some rooms feel cool while others are humid, something is wrong. It could be blocked internal coils or a ductwork issue.
  3. Rapid Short-Cycling: Is the unit’s compressor flickering on and off too frequently? This is a sign of electrical instability caused by a failing thermostat or an overheating motor.
  4. Hydraulic Leaks: Finding moisture or refrigerant pools around your unit is a sign that your condensate drain is filled with debris.
  5. Detecting Foul Odors: Musty smells from your vents suggest possible wiring issues that should be fixed right away.

When You Need a New AC System at Home

If your AC unit is 15 years old or older, it’s likely time for a replacement. Why? Older units typically run on R-22 refrigerant, which is phased out and extremely costly to recharge.

Legacy systems often have frequent repair costs that exceed half the price of a new unit. In other cases, older systems typically have outdated parts that are no longer in production.

That old home air conditioner is at risk of a seized compressor or a terminal short. This makes getting a new unit your only choice.

New air conditioners use Seasonal Energy Efficiency Ratio 2 (SEER2) technology that’s much more efficient than systems built 15 years ago.

Home AC Solutions: Trust NES Plumbing, Heating & Cooling

At NES Plumbing, Heating & Cooling, we offer home air conditioner maintenance, repair, and installation services. We’ll inspect your system, find its issues, and recommend the best solution.

By now, you know you can trust our experts to offer the best consultation and services in and around Oxford, Michigan. Call us at (248) 800-4144 or contact us online today!

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