Serving Mt Union & Beyond

Hello, neighbor.
Let's get your
home comfortable.

From quick repairs to full system installations, we treat every home like our own. No surprises—just honest work and fair prices.

Call Us Today Our Services
Comfortable home interior with modern HVAC system

15+

Years Serving

Mt Union

Home Base

What We Do

Everything your home needs
to stay comfortable

From emergency repairs to seasonal tune-ups, we've got you covered year-round.

Heating Repair

Furnace troubles? We diagnose and fix heating problems fast, so you're not stuck in the cold.

AC Installation

Stay cool all summer with expert air conditioning installation and replacement services.

Maintenance Plans

Preventive care keeps your systems running efficiently and helps avoid costly breakdowns.

Emergency Service

Heating or AC failure at midnight? We're here when you need us most.

Duct Cleaning

Cleaner air starts with clean ducts. We remove buildup and improve your indoor air quality.

Thermostats

Upgrade to a smart thermostat and take control of your home's comfort and energy use.

Professional HVAC technician at work

About Us

Your neighbors,
not strangers.

We're not a franchise or a call center. We live here, shop here, and send our kids to school right here in Mt Union. When you call Renninger, you're calling people who care about this community—and that shows in how we treat your home.

Every job gets the same attention to detail, whether it's a quick thermostat check or a full system replacement. We believe in doing it right the first time, with clear communication and no hidden fees.

Licensed & Insured
Fair Pricing
Same-Day Service
Satisfaction Guaranteed

Service Areas

Proudly serving
central Pennsylvania

Based in Mt Union, we provide reliable HVAC services to homes throughout the region.

Mt Union

Almedia

Hughestown

Dalmatia

Glen Lyon

Mifflin

Paxtang

Harrisburg

Don't see your area? Give us a call—we may still be able to help.

Get In Touch

Ready to get
started?

Whether you need a quick repair or want to discuss a new installation, we're happy to help. Reach out by phone, email, or stop by our office.

Address

14440 Extract Rd
Mt Union, PA 17066-8855

Hours

Mon–Fri: 8am–5pm
Sat–Sun: By appointment

Send Us a Message

Is this your business?This is my business