The Best HVAC in Greencastle, PA

Compare the highest-rated hvac professionals in Greencastle, Pennsylvania. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Greencastle Climate Control

4.8
(142 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency system installations, including geothermal and dual-fuel heat pumps ideal for Pennsylvania's variable climate. They are a Carrier Factory Authorized Dealer and focus on whole-home comfort solutions with advanced zoning and humidity control.

1015 Buchanan Trail East, Greencastle, PA 17225

Specialties & Features

Geothermal Systems
24/7 Emergency Service
Energy Efficiency Audits
Premium HVAC Brands
Indoor Air Quality Solutions

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Antietam Heating & Cooling

4.6
(118 reviews)
Verified

A trusted family-owned and operated HVAC company with deep roots in the Greencastle community. They excel in both routine maintenance, which is critical for system longevity in the humid summers, and complex furnace repairs needed during cold winters. They are Lennox Premier Dealers and offer comprehensive duct cleaning and sealing services.

345 S Washington St, Greencastle, PA 17225

Specialties & Features

Furnace Repair & Installation
Preventative Maintenance Plans
Ductwork Design & Sealing
Smart Thermostat Integration
Local & Family-Owned

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Blue Ridge Mechanical Services

4.5
(96 reviews)
Verified

Known for their rapid response emergency services and expertise with a wide range of equipment, from traditional gas furnaces to modern mini-split systems. Their technicians are NATE-certified and particularly skilled in solving complex airflow and ductwork issues common in older homes in the area.

512 E Baltimore Pike, Greencastle, PA 17225

Specialties & Features

24/7 Emergency HVAC Repair
Ductwork Modification & Repair
Mini-Split System Installation
Boiler Service
Commercial HVAC Services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Greencastle

The HVAC market in Greencastle, PA, is driven by a humid continental climate with hot, humid summers and cold, snowy winters. This creates a consistent year-round demand for both high-performance air conditioning and reliable heating, making companies that offer robust maintenance plans and 24/7 emergency service particularly valuable. Homeowners often seek energy-efficient upgrades and heat pumps to manage utility costs against the temperature extremes. The market is competitive with a mix of long-standing local providers and newer, tech-focused companies.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Greencastle regulations and climate

Frequently Asked Questions About HVAC in Greencastle

Get answers to common questions about hvac services in Greencastle, Pennsylvania.

1What is the typical cost range for replacing a central air conditioner or furnace in Greencastle?

For a standard efficiency replacement in our area, homeowners can expect to pay between $4,500 and $8,500 for a new AC system and $4,000 to $7,500 for a furnace, with final costs depending on unit size, efficiency rating, and home-specific installation challenges. Pennsylvania's Act 129 energy efficiency programs and potential rebates from utilities like FirstEnergy can help offset costs for higher-efficiency models, making them a wise long-term investment for our humid summers and cold winters.

2When is the best time to schedule HVAC maintenance or replacement in Greencastle to avoid delays?

The ideal times are during the shoulder seasons—early spring (March-April) before AC demand hits and early fall (September-October) before heating season begins. Scheduling during these periods ensures faster service and gives you time to address any issues before the extreme temperatures of a Greencastle summer or winter, when HVAC companies are at their busiest with emergency repair calls.

3Are there any local regulations or permits required for HVAC work in Franklin County, PA?

Yes, in Greencastle and Franklin County, a building permit is typically required for the replacement or new installation of any fuel-burning appliance (like a furnace or boiler) and often for central air conditioning systems. Reputable local HVAC contractors will handle this permitting process with the municipal building department, which ensures the work meets Pennsylvania's Uniform Construction Code (UCC) for safety and compliance.

4How do I choose a reliable HVAC contractor in the Greencastle area?

Look for a licensed, insured, and locally established company with strong references from neighbors. Verify they hold a Pennsylvania Home Improvement Contractor (HIC) registration. A trustworthy Greencastle contractor will perform a detailed load calculation (Manual J) specific to our climate and your home's construction, not just swap units, and will provide clear, written estimates that include all labor, materials, and permit fees.

5My system seems inefficient. What are common HVAC issues for older homes in Greencastle?

Many older homes in Greencastle have insufficient insulation and ductwork in unconditioned spaces like attics or crawl spaces, leading to significant energy loss. Furthermore, systems are often improperly sized—oversized for our climate, causing short cycling and poor humidity control in summer. A professional energy audit or HVAC assessment can identify these local issues, with solutions often including duct sealing, adding returns, or proper system sizing.