Haller Enterprise technician entering home

Local HVAC Services in Lock Haven, PA

Haller Enterprises proudly provides dependable, high-quality HVAC services to homeowners in Lock Haven, PA. Our NATE-certified technicians understand the heating and cooling needs of Clinton County homes and deliver solutions that improve comfort, efficiency, and long-term reliability.

As a trusted home service provider, we take pride in offering prompt, professional support — including same-day service when available. With decades of experience and training on all HVAC brands, we ensure your system performs at its best through every season in Central Pennsylvania.

Whether you’re interested in energy-efficient upgrades, need reliable repairs, or want routine maintenance to keep your system in top shape, Haller is committed to being your go-to HVAC team in Lock Haven.

We’re here to help!

Schedule Service

Heating & Cooling Services

From helping you select the right equipment to providing expert installation, repairs, and maintenance, we offer comprehensive HVAC services that keep your Lock Haven home comfortable year-round.

Air Conditioning Services

Our air conditioning services in Lock Haven include everything you need to stay cool and comfortable in warmer months. Whether it’s fast AC repairs, new system installation, or routine maintenance, our skilled technicians help ensure your home maintains a consistent, comfortable temperature.

Heating Services

Prepare your home for Pennsylvania winters with dependable heating services tailored to Lock Haven homeowners. From furnace repairs to complete heating system replacements, we focus on reliable solutions that restore warmth and improve system performance.

Heating Services

Heating & AC Installation

Upgrade your comfort with professional HVAC installation services. Whether you’re adding a new heat pump, ductless system, AC unit, or furnace, we install high-efficiency equipment built to deliver reliable performance and year-round comfort.

HVAC Installation

Heating & AC Maintenance

Routine maintenance is essential for long-lasting HVAC performance. Our technicians provide detailed tune-ups and inspections that help prevent breakdowns, boost efficiency, and extend the life of your system — keeping your Lock Haven home comfortable in every season.

Ductless HVAC Systems

Ductless mini-splits offer a flexible, energy-efficient option for heating and cooling. Ideal for homes without ductwork or for improving comfort in specific rooms, ductless systems deliver precise temperature control and improved efficiency.

Ductless System Services

Boilers

Many homes throughout the Lock Haven area rely on boilers for dependable winter heat. Our experts are trained to repair, install, and maintain oil, propane, gas, and electric boilers, ensuring safe, reliable operation when temperatures drop.

Geothermal

Discover the long-term comfort and energy savings offered by geothermal systems. We provide expert installation, system repairs, and routine maintenance to keep your geothermal system running efficiently — helping your home stay comfortable while reducing energy use.

Geothermal Services

Indoor Air Quality

Improve the air inside your Lock Haven home with our indoor air quality solutions. From air purifiers and humidifiers to advanced thermostats and dehumidifiers, we help reduce allergens, balance humidity, and create a healthier, more comfortable living environment.

Indoor Air Quality Services

Why Choose Haller Enterprises For Local HVAC Services in Lock Haven, PA?

Since 1981, Haller Enterprises has been delivering trusted heating and cooling services to Pennsylvania homeowners. Our licensed, insured, and background-checked technicians work on all HVAC brands and models, ensuring dependable service and lasting results. We offer transparent pricing, financing options, and free estimates for system replacements — along with prompt, same-day appointments whenever possible.

Let our experienced team provide reliable heating and cooling solutions for your Lock Haven home.
Call Haller to schedule HVAC services in Lock Haven, PA, or request an appointment online.

Male Haller tech with tool bag entering residential home smiling.

We’re Here to Help!

Quality, Friendly Service in Central & Eastern PA

(717) 710-9841

HVAC Specials & Discounts

Take advantage of our current offers & coupons!

Haller HVAC technician outside van with new unit inside

Additional Heating & Cooling Services in Eastern & Central PA

Oil-to-gas conversion
Air conditioning systems & heat pumps
Smart & programmable thermostats
Duct cleaning
Radiant systems
Gas, propane, oil-forced air furnaces & boilers
Oil furnace maintenance & installation
Whole-house humidifiers

What Makes Haller Different?

We’re committed to helping Lock Haven homeowners make informed HVAC decisions with honest recommendations, clear communication, and reliable service.

Trustworthy

Our NATE-certified technicians arrive in marked service vehicles, equipped with everything they need to handle your HVAC system safely and efficiently. We protect your home with drop cloths, shoe covers, and professional care.

Reliable

We give you a 30-minute heads-up before your technician arrives so you can plan your day with confidence. Once on-site, we explain your options, answer your questions, and walk you through the next steps.

Supportive

Our availability is built around your needs — with convenient scheduling, Saturday hours, and 24/7 emergency HVAC service for unexpected breakdowns.

Efficient

Our simple online scheduling tool and live chat support make it easy to get help fast. You’ll receive the service you need, right when you need it.

Haller Technicians Working In The field

Ready to Talk to an HVAC Specialist?

Book An Appointment