How to Make Your HVAC System Last Longer: Real Advice from Mike

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Let’s Be Real—HVAC Isn’t Cheap

If you're like me, you want your home systems to just work—without unexpected breakdowns, repair bills, or needing a full replacement after 8 years.

When you invest in something like the Goodman 3 Ton 15.2 SEER2 R-32 System, you want it to last. And it can—if you take care of it.

Here’s exactly what I do to get the most out of my HVAC system—and what I tell every neighbor, friend, and cousin who asks for advice.

1. Change Your Filters (Seriously)

It sounds simple, but it’s the #1 reason systems break early. Dirty filters choke airflow, forcing your blower and compressor to work harder.

Change every 1–3 months, depending on pets, allergies, and how often you run your system.
Use MERV 8–11 filters—nothing too restrictive unless you’re told otherwise by your installer.

Skipping this one step can reduce your system’s lifespan by years. Yes, years.

2. Get Annual Maintenance (No, It’s Not a Scam)

I know it sounds like a sales pitch, but annual maintenance is worth it. Your HVAC is like your car—skip the oil change, and the engine pays for it.

A good tech will:

Clean coils and blower assemblies
Check refrigerant levels (especially with R-32 systems like this one)
Inspect electrical connections
Test for leaks or blocked drain lines

This can catch issues before they turn into $1,500 problems.

Need proof? Energy Star recommends it, and so do pros across the industry.

3. Keep the Area Around the Outdoor Unit Clear

That outdoor condenser isn’t just a metal box—it’s the heart of your cooling system.

Keep 2–3 feet of clearance on all sides.
Don’t plant shrubs or stack firewood nearby.
Hose it off in spring and fall to clear out dirt, leaves, and grass clippings.

Blocked airflow = higher temps = shorter lifespan. The Goodman GLXS4BA3610 condenser is efficient, but it still needs room to breathe.

4. Set It and Forget It (with Smart Thermostats)

Constantly fiddling with your thermostat? That’s hard on your system. Your HVAC likes consistency.

Smart thermostats like Ecobee or Nest can automate comfort and reduce wear.
Set reasonable temps—think 75°F cooling, 68°F heating.
Use eco or away modes when you’re gone for the day.

Looking for a deep dive? Energy.gov has a full guide on thermostat strategies.

5. Don’t Skip the Ducts

Leaky or dirty ducts can kill your HVAC system from the inside out.

Get them cleaned every 5–7 years, especially if you’ve had construction work done.
Seal up leaks with mastic or metal-backed tape (not duct tape, ironically).
Make sure all vents are open and unblocked.

A high-efficiency furnace like the Goodman GR9T961005CN deserves a duct system that doesn’t drag it down.