The Best HVAC in Herndon, PA

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

#1

Valley Comfort Systems

4.8
(127 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency system installations and comprehensive maintenance plans. Known for expertise in both traditional and modern heat pump systems suited for Pennsylvania's variable climate. They are a Carrier Factory Authorized Dealer and focus on energy-saving solutions.

45 Market Street, Herndon, PA 17830

Specialties & Features

Energy Efficiency Upgrades
24/7 Emergency Service
High-Efficiency Furnace Installation
Heat Pump Systems

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#2

Herndon Heating & Cooling Co.

4.6
(94 reviews)
Verified

A family-owned and operated local HVAC expert with deep roots in the community. They provide honest diagnostics, reliable repairs, and quality installations on all major brands. Their technicians are particularly skilled in ductwork design and sealing, which is crucial for home efficiency in the region's cold winters and humid summers.

112 Main Street, Herndon, PA 17830

Specialties & Features

Ductwork Services
Furnace Repair
AC Maintenance Plans
Local Family-Owned Business

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#3

Keystone Climate Control

4.4
(68 reviews)
Verified

Specializes in fast and effective emergency HVAC repair services, available 24/7. They are a go-to provider for sudden breakdowns during Herndon's extreme temperature swings. They also offer competitive pricing on system replacements and work with reliable brands like Trane and Lennox.

300 North Railroad Street, Herndon, PA 17830

Specialties & Features

24/7 Emergency Service
HVAC System Replacement
Heating Repair
Air Conditioning Tune-ups

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Herndon

Herndon, PA, experiences a humid continental climate with cold, snowy winters and warm, humid summers, creating year-round demand for reliable heating and cooling services. The local HVAC market is competitive among a small pool of providers, with a strong emphasis on system durability and energy efficiency to handle the seasonal extremes. Homeowners often seek providers who can service both aging furnaces and modern, efficient heat pumps. The demand for emergency services spikes during the first deep freeze of winter and the first heatwave of summer.

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 Herndon regulations and climate

Frequently Asked Questions About HVAC in Herndon

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

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

For a standard efficiency replacement in our area, homeowners can expect to pay between $5,000 and $12,000, depending on the system's size (measured in tons or BTUs) and efficiency rating (SEER/HSPF). Herndon's humid summers and cold winters make proper sizing critical; an oversized or undersized unit will be inefficient and costly. Always get a detailed, written Manual J load calculation from your contractor to ensure the quote is for the correctly sized equipment for your specific home.

2When is the best time to schedule HVAC maintenance or replacement in Herndon?

The ideal times are during the shoulder seasons—spring (March-April) and fall (September-October). Scheduling maintenance or installation before the peak summer heat and winter cold ensures your system is ready for Pennsylvania's extreme seasons and provides much greater availability for technicians. Attempting to replace a failed system during a Herndon heatwave or cold snap in January can lead to longer wait times and emergency service premiums.

3Are there any local Herndon or Pennsylvania regulations I should know about for HVAC work?

Yes. In Pennsylvania, any contractor handling refrigerants must be EPA Section 608 certified. Furthermore, while Herndon itself may not have unique codes, all work must comply with the Pennsylvania Uniform Construction Code (UCC), which includes specific HVAC installation standards. Reputable local providers will pull any required municipal permits for replacements, which protects you by ensuring the installation is inspected for safety and code compliance.

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

Look for a locally established company with strong, verifiable reviews from Herndon or surrounding Northumberland County residents. Ensure they are fully insured, licensed to work in Pennsylvania, and provide clear, written estimates. Ask if they perform a Manual J load calculation and if their technicians are NATE-certified, which is the industry standard for competence, especially important for handling our varied climate.

5My system is running but not keeping up. Is this a repair or replacement issue, given our local climate?

This is a common concern with our temperature swings. Often, it could be a repairable issue like a dirty coil, failing capacitor, or ductwork leak. However, if your furnace or air conditioner is over 15 years old, frequently needs repairs, and struggles during Herndon's coldest nights or most humid days, replacement with a modern, higher-efficiency system is likely more cost-effective. A trustworthy local technician can perform a full diagnostic and provide a repair vs. replacement cost analysis.