The Best HVAC in Castleton, VT

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

#1

Green Mountain Climate Control

4.8
(124 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency heating and cooling solutions tailored for Vermont's harsh winters and humid summers. They are a Carrier Factory Authorized Dealer and excel in installing and servicing geothermal and cold-climate heat pumps, alongside traditional furnaces and boilers. Known for their meticulous ductwork design and energy audit services.

487 Main Street, Castleton, VT 05735

Specialties & Features

Energy Efficiency Upgrades
Geothermal & Heat Pumps
Ductwork Design & Sealing
24/7 Emergency Service

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Castleton Heating & Cooling

4.6
(92 reviews)
Verified

A locally owned and operated HVAC company with deep roots in the Castleton community. They provide comprehensive installation, repair, and maintenance services for all major brands, with a strong focus on reliable furnace repair and AC tune-ups. Their technicians are NATE-certified and particularly skilled in servicing older homes common in the area, ensuring efficient operation year-round.

2122 Route 4A, Castleton, VT 05735

Specialties & Features

Furnace Repair & Installation
AC Maintenance Plans
Emergency HVAC Services
Older Home Expertise

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Efficiency First VT

4.5
(78 reviews)
Verified

Specializes in modern, energy-efficient HVAC system replacements and upgrades. They are experts in air-to-air and ductless mini-split heat pump systems, ideal for Vermont's climate, and are a Mitsubishi Electric Diamond Contractor. They offer detailed home performance assessments to reduce energy bills and improve comfort, focusing on smart thermostats and zoning systems.

101 Bomoseen Road, Castleton, VT 05735

Specialties & Features

Heat Pump Specialists
Home Performance Assessments
Ductless Mini-Splits
Smart Home Integration

Business Information

Years in Business:11 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Castleton

The HVAC market in Castleton, VT, is heavily influenced by a humid continental climate characterized by long, cold winters with significant snowfall and warm, humid summers. This creates a strong, year-round demand for robust heating systems (especially high-efficiency furnaces and boilers) and a growing market for energy-efficient cooling solutions like heat pumps. The prevalence of older housing stock also drives need for ductwork modification and sealing services. Top providers are distinguished by their expertise in cold-weather performance, 24/7 emergency service for winter breakdowns, and certifications in energy efficiency programs.

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 Castleton regulations and climate

Frequently Asked Questions About HVAC in Castleton

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

1What is the best time of year to schedule a new furnace or boiler installation in Castleton?

The ideal time is during the late spring or early summer (May-July). This is the off-season for most HVAC companies in our region, so you'll have more scheduling flexibility and potentially faster service. Scheduling ahead of the intense Vermont winter ensures your system is fully tested and operational before the first deep freeze hits the Lake Bomoseen area.

2How does Castleton's climate affect my choice between a heat pump and a traditional furnace?

Castleton's cold winters, with temperatures often dropping well below freezing, are a key factor. While modern cold-climate air-source heat pumps are effective for much of the year, a hybrid system pairing a heat pump with a gas or propane furnace for the coldest days is often the most efficient and reliable solution. This setup provides efficient electric heating during milder periods and powerful fossil fuel heat during extreme cold snaps.

3Are there any local rebates or incentives for upgrading my HVAC system in Vermont?

Yes, Vermont offers excellent incentives. Homeowners should primarily explore Efficiency Vermont's rebates for high-efficiency heat pumps, boilers, and furnaces. Additionally, check with Vermont Gas if you're in a serviced area, and always inquire with your local Castleton-area HVAC contractor, as they are experts on navigating the current state and federal tax credit programs for energy-efficient upgrades.

4What should I look for when choosing an HVAC contractor in the Castleton area? **Question:** What should I look for when choosing an HVAC contractor in the Castleton area?

Prioritize contractors who are licensed, insured, and have extensive experience with Vermont's specific climate challenges. Look for a provider familiar with the older home construction common in the region and one who offers 24/7 emergency service, which is critical during a Rutland County winter storm. Strong local references and NATE-certified technicians are excellent indicators of quality.

5My home is older and drafty. Should I upgrade my HVAC system or improve insulation first?

For Castleton's historic homes, improving your building envelope (air sealing and insulation) should almost always come first. This reduces the overall heating and cooling load, allowing you to install a smaller, appropriately sized, and more efficient system. An energy audit through Efficiency Vermont or a local specialist can identify the most cost-effective upgrades for your specific home before you invest in new mechanical equipment.