The Best HVAC in Saint Johnsbury, VT

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

#1

North Country Climate Control

4.8
(127 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating systems crucial for Vermont's harsh winters. They are experts in cold-climate heat pumps, furnace replacements, and complex ductwork design for older homes. Their technicians are NATE-certified and particularly skilled in solving the unique challenges of heating antique Vermont properties.

468 Railroad Street, Saint Johnsbury, VT 05819

Specialties & Features

24/7 Emergency Heating Service
Cold-Climate Heat Pumps
High-Efficiency Furnace Installation
Historic Home HVAC Solutions

Business Information

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

Green Mountain HVAC & Mechanical

4.6
(94 reviews)
Verified

A well-established local provider known for reliability and comprehensive HVAC services. They offer a strong balance of installation, repair, and maintenance plans, with a focus on energy-efficient upgrades and indoor air quality systems. They are a authorized dealer for several top brands like Carrier and Trane, and are known for their prompt emergency response during the peak heating season.

1234 Memorial Drive, Saint Johnsbury, VT 05819

Specialties & Features

Energy Efficiency Audits
HVAC Maintenance Plans
Ductless Mini-Splits
24/7 Emergency Service

Business Information

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

Northeast Kingdom Heating & Cooling

4.5
(78 reviews)
Verified

A trusted family-owned operation serving the Northeast Kingdom region with a strong focus on customer service and straightforward repairs. They excel in furnace and boiler service, AC tune-ups, and solving urgent no-heat situations. Their deep local experience means they understand the specific demands of the region's climate on both modern and older heating systems.

77 Eastern Avenue, Saint Johnsbury, VT 05819

Specialties & Features

Furnace and Boiler Repair
Oil-to-Gas Conversion
Air Conditioning Service
Residential Ductwork

Business Information

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

Why These Are the Top HVAC Contractors in Saint Johnsbury

The HVAC market in Saint Johnsbury, VT, is heavily influenced by its humid continental climate, characterized by long, very cold, and snowy winters. This creates extreme demand for reliable and robust heating systems, with emergency heating repair services being a critical offering for any successful local contractor. The summer season, while shorter, can see periods of heat and humidity, driving demand for AC installation and service. The local housing stock includes many older, historic homes, which require specialized expertise in ductwork design and retrofitting modern, efficient systems. Common heating fuels include oil, propane, and wood, with a growing interest in cold-climate air source heat pumps as a supplemental or primary system. Energy efficiency and weatherization are major concerns for homeowners seeking to manage high winter fuel costs.

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 Saint Johnsbury regulations and climate

Frequently Asked Questions About HVAC in Saint Johnsbury

Get answers to common questions about hvac services in Saint Johnsbury, Vermont.

1How does Saint Johnsbury's cold climate impact the type of HVAC system I should install or maintain?

Saint Johnsbury's long, harsh winters with temperatures often well below freezing make a reliable, high-efficiency heating system paramount. We strongly recommend systems specifically rated for cold climates, such as cold-climate air-source heat pumps or high-efficiency gas furnaces with AFUE ratings of 95% or higher. Proper insulation and sealing are also critical to system efficiency here, as heat loss through a poorly sealed home can overwhelm even the best system during a Northeast Kingdom winter.

2When is the best time of year to schedule HVAC maintenance or replacement in Saint Johnsbury?

The ideal times are during the shoulder seasons—late spring (April-May) for cooling system check-ups and late summer/early fall (August-September) for heating system servicing. Scheduling during these periods ensures your system is ready for peak demand and helps you avoid the high-demand service wait times during the first deep freeze in October/November or a sudden July heatwave. For full system replacements, fall is often best to ensure installation before winter.

3Are there any local Vermont or Saint Johnsbury-specific rebates or incentives for upgrading my HVAC system?

Yes, Vermont actively encourages energy efficiency upgrades. Homeowners should first explore Efficiency Vermont, which offers rebates for qualifying high-efficiency heat pumps, boilers, and furnaces. Additionally, you may be eligible for federal tax credits. It's crucial to work with a local HVAC provider registered with Efficiency Vermont, as they can guide you through the application process and ensure your selected equipment qualifies for these valuable financial incentives.

4What should I look for when choosing a local HVAC contractor in the Saint Johnsbury area? **Question:** What should I look for when choosing a local HVAC contractor in the Saint Johnsbury area?

Prioritize contractors who are licensed, insured, and have extensive experience with Vermont's climate challenges. Look for positive local references and reviews, and verify they are registered with Efficiency Vermont to handle rebate-eligible installations. A reputable local provider will perform a detailed load calculation for your specific home, accounting for our climate, rather than just sizing by square footage, and will be available for reliable emergency service during winter storms.

5My older home in Saint Johnsbury has a steam boiler system. Should I replace it with a modern system, or is maintaining it a better option?

This depends on the boiler's condition, efficiency, and your home's layout. Well-maintained steam boilers can be very durable and provide excellent, even heat, which is valuable in our climate. However, if it's over 25-30 years old and inefficient, replacing it with a modern high-efficiency boiler or a ductless heat pump system for zoned heating could significantly reduce your fuel oil or propane bills. A local expert can assess your system's health and compare the long-term costs of repair versus replacement.