How often should I service my HVAC system?

Twice a year is ideal: spring AC tune-up before summer and fall furnace tune-up before winter. Annual service is the minimum required to keep most equipment warranties valid. Homes with heat pumps need both visits.

When should I schedule fall furnace maintenance?

September or October, before the first frost. Don't wait until you need heat, by November, HVAC contractors are booked solid for 1-2 weeks. Schedule early to get the appointment you want.

What does an HVAC tune-up include?

A thorough tune-up includes: heat exchanger or refrigerant inspection, burner or condenser cleaning, electrical connection check, blower inspection, control system test, thermostat calibration, and a written report on any issues found. Typically 60-90 minutes per system.

Can I do HVAC maintenance myself?

You can change filters, keep the outdoor unit clear, listen for unusual noises, and replace thermostat batteries yourself. Internal cleaning, refrigerant work, gas system checks, and electrical diagnostics require licensed HVAC technicians for safety and warranty reasons.

Is a maintenance plan worth it?

For most Pittsburgh homeowners, yes. The plan typically costs less than two a-la-carte tune-ups, plus it includes 15% off any repairs, priority scheduling, and no overtime charges on emergency calls. Equipment lasts longer and breakdowns are far less common.

How Often to Service HVAC in Pittsburgh

How Often Should You Service Your HVAC in Pittsburgh? A Year-Round Maintenance Schedule

Most HVAC manufacturers, Carrier, Trane, Lennox, Comfortmaker, Goodman, explicitly require annual professional maintenance to keep their warranty valid. But Pittsburgh’s climate puts heavier demand on heating and cooling systems than most U.S. regions: cold winters with deep snow, hot humid summers, large temperature swings in the shoulder seasons. Annual maintenance is the bare minimum here. Twice a year is what we recommend.

Here’s the maintenance schedule we use for our own homes and recommend to Hoffner customers across the Pittsburgh metro.

Spring tune-up: AC and cooling system (March-May)

Before you turn on your air conditioner for the first hot day of the year, get it tuned up. Here’s what we check on a typical spring AC visit:

Refrigerant charge and pressures. Low refrigerant means slow cooling, high energy bills, and a damaged compressor down the road. Pittsburgh winters can stress refrigerant lines.
Capacitor health. Capacitors fail more often than any other AC component in the Pittsburgh climate. A weak capacitor still works but causes hard starts that shorten compressor life.
Condenser coil cleaning. Dirty coils reduce efficiency by 15-30%. Pittsburgh pollen, dust, and (in some areas) industrial particulate build up over the winter.
Drain line and pan inspection. Algae and slime can block AC drain lines, leading to water damage in your basement or attic.
Blower motor and belt check. Lubricate motors that need it, replace worn belts.
Electrical connections. Tighten contacts that have loosened over a year of vibration.
Thermostat calibration. Verify the thermostat reads accurately and responds correctly.

A typical spring AC tune-up runs about 60–90 minutes and costs $120–$200 in the Pittsburgh area as a one-time service, or it’s included in our HVAC maintenance plan.

Fall tune-up: Furnace and heating system (September-October)

Don’t wait until the first cold snap to find out your furnace has a problem. Schedule fall maintenance before mid-November. Here’s the checklist:

Heat exchanger inspection. Cracks in the heat exchanger can leak carbon monoxide into your home. Critical safety check.
Burner cleaning. Carbon and dust deposits on burners cause incomplete combustion and reduced efficiency.
Flame sensor cleaning. Coated sensors are the most common cause of “furnace won’t stay running” calls.
Igniter inspection. Hot surface igniters wear out around the 5–8 year mark. Replacing one preemptively in October is much better than at midnight in January.
Inducer motor and pressure switch test. Verifies safe combustion airflow.
Gas line and shutoff valve check. Verifies the gas system is operating safely.
Condensate drain (high-efficiency models). Same as spring, clear the line.
Carbon monoxide detector test. If you don’t have a CO detector on every floor of your home with a gas furnace, install one immediately.

Monthly homeowner maintenance (year-round)

Between professional visits, do these yourself:

Change air filters every 1-3 months. This is the single most important thing a homeowner can do for HVAC longevity. A 1-inch filter typically needs monthly replacement during heavy use seasons.
Keep outdoor AC unit clear. Trim plants back 2 feet on all sides. Remove leaves, mulch, and grass clippings.
Verify thermostat batteries. Replace once a year to prevent unexpected failures.
Listen for unusual noises. Banging, scraping, or grinding signals a developing problem. Address it before it becomes a breakdown.
Check vents and registers. Make sure none are blocked by furniture or rugs. Even pressure helps your blower last longer.

What an HVAC maintenance plan saves you

Hoffner’s maintenance plan covers both visits (spring AC + fall furnace) plus 15% off any service or repair, priority scheduling, and no overtime charges on emergency calls. The math typically works out:

Item	A la carte	In plan
Spring AC tune-up	$160	Included
Fall furnace tune-up	$160	Included
Typical avg repair savings (15% off)	,	~$45/year
Annual cost	$320+	Less

Beyond the math, maintenance plans give you peace of mind. We track your equipment, alert you when service is due, and prioritize plan members during peak season when wait times can stretch to a week or more.

How long should equipment last with proper maintenance?

With annual professional maintenance:

Gas furnaces: 20-25 years
Heat pumps: 12-15 years
Air conditioners: 12-15 years
Boilers: 30+ years
Tankless water heaters: 20+ years

Without it, expect 30-40% shorter equipment life and 2-3x more emergency service calls.

Schedule your tune-up

Call (412) 946-2160 to schedule a tune-up or sign up for our HVAC maintenance plan. We service the entire Pittsburgh metro, Monroeville, Penn Hills, Greensburg, McKeesport, White Oak, Plum, Oakmont, and surrounding boroughs.