Is Your AC Ready for Summer? A Homeowner's Guide to Air Conditioner Maintenance

If your air conditioner hasn't been touched since last cooling season, you're not alone — and you might be one hot afternoon away from a breakdown that could have been prevented. Regular AC maintenance isn't just a nice-to-have. It's the difference between a system that runs efficiently for 15+ years and one that quits on the hottest day of August.

At BetterTemp Heating & Cooling, we serve homeowners throughout Westmoreland County — Jeannette, Greensburg, Irwin, Murrysville, and the surrounding areas — and we see the same preventable problems every summer. This guide covers everything you need to know to keep your AC running strong.

Why AC Maintenance Matters (More Than You Think)

Most homeowners don't think about their air conditioner until it stops working. By then, a small issue — a dirty coil, a weak capacitor, low refrigerant — has usually turned into a major repair or a full system replacement.

Here's what skipping annual maintenance actually costs you:

• Higher energy bills. A dirty system works harder to move the same amount of air, and that inefficiency shows up on your electric bill every month.

• Shorter equipment life. The average central AC system lasts 15–20 years with proper care. Neglected systems often fail in 10–12.

• Warranty issues. Many manufacturers require documented annual maintenance to keep the warranty valid. Skip it, and you could be footing the full bill on a parts claim.

• Bigger repair bills. A $15 capacitor that's running weak becomes a $400–$800 compressor failure if it's ignored long enough.

What Happens During a Professional AC Tune-Up

A proper AC maintenance visit isn't just a filter swap and a hose-down. A qualified HVAC technician should inspect and service the following:

Electrical Components

• Test starting and running capacitors

• Check contactors for pitting or burning

• Measure voltage and amperage on the compressor and fan motors

• Inspect wiring and connections for signs of heat damage or corrosion

Refrigerant System

• Check operating pressures (suction and discharge)

• Verify superheat and subcooling are within manufacturer specs

• Inspect line set insulation for deterioration

• Look for signs of oil or refrigerant leaks

Airflow and Coils

• Clean or inspect the evaporator coil (indoor)

• Clean the condenser coil (outdoor unit)

• Check and clear the condensate drain line

• Measure static pressure and airflow across the system

Controls and Safety

• Test the thermostat calibration and operation

• Verify all safety controls are functioning

• Check the reversing valve operation (on heat pumps)

Filter and Air Quality

• Replace or inspect the air filter

• Check for duct leakage or damage at accessible locations

5 Things Homeowners Can Do Right Now

You don't have to wait for a tech to do everything. Here are five maintenance tasks any homeowner can handle:

1. Change Your Air Filter

This is the single most impactful thing you can do between professional visits. A clogged filter restricts airflow across the evaporator coil, which causes the coil to freeze, which kills your cooling. Check it monthly during peak season. Replace it every 1–3 months depending on your household (pets, allergies, and kids all accelerate clogging).

2. Clear the Area Around Your Outdoor Unit

Your condenser needs at least 18–24 inches of clearance on all sides to reject heat properly. Trim back shrubs, pull weeds, and make sure mulch or debris hasn't piled up against the unit over the winter.

3. Straighten the Condenser Fins

The aluminum fins on your outdoor unit bend easily and block airflow when they do. You can carefully straighten them with a fin comb (about $10 at any hardware store) or a flat butter knife — just be gentle.

4. Clean the Condensate Drain Line

Pour a cup of white vinegar or a condensate drain tablet down the drain line access port on your indoor unit a couple times a year. This prevents algae buildup that leads to clogs — and clogs lead to water leaking into your ceiling or floor.

5. Set Your Thermostat Wisely

Every degree you raise the setpoint when you're away saves roughly 1–3% on cooling costs. A programmable or smart thermostat makes this automatic. Just avoid large swings — dropping the house 10 degrees when you get home puts enormous strain on the system and doesn't save as much as you'd think.

When to Call a Professional

DIY maintenance goes a long way, but some things need a licensed technician. Call a pro if you notice any of the following:

• Warm air blowing from vents even with the thermostat set correctly

• Ice forming on the indoor coil or line set — this usually means low airflow or low refrigerant

• Unusual noises — grinding, squealing, or banging all mean something mechanical is wrong

• Short cycling — the system turns on and off repeatedly without completing a full cooling cycle

• High electric bills without a change in usage habits

• Water leaking from the indoor air handler

• The system is 10+ years old and hasn't been serviced recently

How Often Should You Schedule AC Maintenance?

The industry standard recommendation is once per year for cooling and once per year for heating — ideally in the spring before the cooling season and in the fall before the heating season. If you have a heat pump (which handles both heating and cooling), twice-yearly service is especially worthwhile since the system runs year-round.

For most homeowners in the Pittsburgh and Westmoreland County area, late March through May is the ideal window for AC tune-ups — before the summer rush and while you still have time to address anything that needs repair before the heat arrives.

The BetterComfort Maintenance Plan

At BetterTemp, we offer the BetterComfort Maintenance Plan for just $20/month. Members get priority scheduling, discounts on repairs, and the peace of mind that comes with knowing a licensed tech has eyes on their system every season.

No surprise bills. Just consistent, honest service from a local company that actually answers the phone.

Schedule Your AC Tune-Up Today

BetterTemp Heating & Cooling is locally owned and operated right here in Westmoreland County. We're not a franchise. We don't do high-pressure sales. We show up on time, explain what we find, and give you honest options.

Call or text us to schedule your spring AC tune-up. We serve Jeannette, Greensburg, Irwin, Murrysville, Penn Township, New Stanton, and surrounding communities.

Better Service. Better Price. Better Temp