The Best HVAC in Westminster, VT

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

#1

Green Mountain Climate Control

4.8
(127 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating and cooling systems tailored for Vermont's harsh winters and humid summers. They are a Carrier Factory Authorized Dealer, offering top-tier equipment and focusing on energy-saving solutions like heat pumps and geothermal systems. Their team is NATE-certified and highly experienced in both new installations and complex repairs.

125 Rockingham Road, Westminster, VT 05158

Specialties & Features

24/7 Emergency Service
Energy Efficiency Upgrades
Heat Pump Installation
Geothermal Systems
Vermont Climate Specialists

Business Information

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

Westminster Heating & Cooling

4.6
(94 reviews)
Verified

A trusted local family-owned business with deep roots in the Westminster community. They provide comprehensive HVAC services with a strong emphasis on reliable furnace repair and installation, which is critical for the region. They offer affordable maintenance plans to ensure system longevity and efficiency, and are known for their honest diagnostics and customer service.

78 Main Street, Westminster, VT 05158

Specialties & Features

Furnace Repair & Installation
Ductwork Services
AC Maintenance Plans
Local & Family-Owned
Boiler Systems

Business Information

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

All-Season Mechanical VT

4.5
(78 reviews)
Verified

A dynamic provider known for its rapid response emergency services and expertise in modern HVAC system replacements. They work with leading brands like Lennox and Trane and are particularly skilled in solving complex airflow and ductwork issues in older Vermont homes, improving both comfort and energy efficiency.

311 US Route 5, Westminster, VT 05158

Specialties & Features

24/7 Emergency Service
HVAC System Replacement
Ductwork Design & Sealing
Air Quality Solutions
Smart Thermostat Integration

Business Information

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

Why These Are the Top HVAC Contractors in Westminster

The HVAC market in Westminster, VT, is heavily influenced by a humid continental climate characterized by long, cold winters and warm, humid summers. This creates a high demand for robust and reliable heating systems (furnaces, boilers, heat pumps) and efficient air conditioning solutions. Homeowners prioritize energy efficiency due to high heating costs, leading to a strong market for heat pumps, geothermal systems, and energy audits. The presence of many older homes also drives need for ductwork modernization and sealing. The market is competitive among a small number of local providers who must be adept at servicing a wide range of systems to handle the extreme seasonal shifts.

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 Westminster regulations and climate

Frequently Asked Questions About HVAC in Westminster

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

1What is the typical cost range for replacing a furnace or boiler in Westminster, VT, and what factors influence the price?

In Westminster and surrounding Windham County, a full furnace or boiler replacement typically ranges from $5,500 to $12,000+. Key cost factors include the system's efficiency rating (important for our cold winters), the complexity of installing new venting or fuel lines, and the home's existing ductwork or radiator system. Choosing a high-efficiency model may qualify you for federal tax credits and Efficiency Vermont rebates, which can offset the initial investment.

2When is the best time of year to schedule HVAC maintenance or installation in Westminster?

The optimal times are during the shoulder seasons—late spring (April-May) after heating season and early fall (September-October) before heating season. Scheduling during these periods ensures your system is ready for Vermont's harsh winters and humid summers, and you'll find greater technician availability and potentially better pricing compared to the peak summer or winter emergency periods.

3Are there any local regulations or incentives in Westminster I should know about when upgrading my HVAC system?

Yes. Vermont has strict regulations on the disposal of old refrigerants and equipment, which a reputable local contractor will handle properly. Furthermore, Efficiency Vermont offers significant rebates for installing qualifying high-efficiency heat pumps, furnaces, and boilers. For Westminster homeowners, switching from an older oil system to a high-efficiency cold-climate heat pump can be particularly cost-effective due to these incentives and our region's electricity rates.

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

Prioritize contractors who are locally established and licensed by the State of Vermont (Department of Public Service). Look for specific experience with homes similar to yours, especially older Vermont homes that may have unique heating challenges. Always check for valid liability insurance, request references from local customers, and verify they are certified to handle the specific brands and systems (like Mitsubishi or Bosch cold-climate heat pumps) you're considering.

5My heat pump seems less effective during Westminster's coldest weeks. Is this normal, and what are my options?

This is a common concern. While modern cold-climate heat pumps are highly effective in Vermont, their efficiency can drop during extreme cold snaps (below 0°F). A properly designed system will include a secondary or backup heat source, such as electric resistance strips or your existing furnace (in a dual-fuel setup). A local HVAC professional can assess if your system is sized correctly and ensure the auxiliary heat is configured properly for optimal comfort and efficiency throughout the entire winter.