Penn-Mar Oil | Professional HVAC Services in Waynesboro, PA

Short cycling, where your system turns on and off frequently, is common here and often stems from improper sizing, thermostat issues, or airflow problems. As your local HVAC specialists, Penn-Mar Oil can diagnose the root cause—whether it's an oversized unit from a previous installation or a maintenance need. We provide thorough assessments and repairs to restore efficient operation, helping you avoid higher energy bills and system wear.

Yes, we provide full generator installation and repair services for residents in Franklin County and throughout our service area. Our team handles everything from selecting the right generator for your home's needs to professional installation and ongoing maintenance, ensuring reliable backup power during outages. We're here to help you prepare for unpredictable weather common in our region.

Absolutely. In addition to our heating oil delivery, we offer comprehensive propane services, including delivery and system support. Many homeowners in our area use propane for appliances, heating, or generators, and we can manage your fuel needs efficiently. With our local expertise, we ensure safe, reliable propane service tailored to your household.