The Best HVAC in South Londonderry, VT

Compare the highest-rated hvac professionals in South Londonderry, 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 solutions tailored for Vermont's harsh winters and humid summers. They are known for their expertise in geothermal and cold-climate heat pump installations, making them a leader in energy-efficient home comfort. Their technicians are NATE-certified and highly trained in the latest technologies.

321 Magic Mountain Access Rd, South Londonderry, VT 05155

Specialties & Features

Energy Efficiency Upgrades
Cold-Climate Heat Pumps
Geothermal Systems
24/7 Emergency Service
Boiler & Furnace Expertise

Business Information

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

Londonderry Heating & Cooling

4.6
(94 reviews)
Verified

A trusted local family-owned business providing reliable HVAC services to the South Londonderry community for over two decades. They offer comprehensive installation, repair, and maintenance for all major brands, with a strong focus on oil and propane furnace systems common in older Vermont homes. Their preventative maintenance plans are highly regarded for improving system longevity.

55 Main Street, South Londonderry, VT 05155

Specialties & Features

Furnace Repair & Installation
Oil & Propane Systems
Ductwork Design & Sealing
AC Tune-ups
24/7 Emergency Repair

Business Information

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

Peak Performance HVAC Services

4.5
(78 reviews)
Verified

Specializes in high-performance HVAC system installation and precision ductwork services for both residential and light commercial properties. They are particularly adept at solving complex comfort issues in homes with challenging layouts, often found in the mountainous region. They are authorized dealers for Carrier and Mitsubishi Electric, offering top-tier equipment.

112 VT Route 100, South Londonderry, VT 05155

Specialties & Features

Ductwork Design & Installation
Mini-Split Systems
Zoning Solutions
HVAC System Replacement
Indoor Air Quality

Business Information

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

Why These Are the Top HVAC Contractors in South Londonderry

The HVAC market in South Londonderry, VT, is heavily influenced by its humid continental climate, characterized by long, cold winters with significant snowfall and short, warm, and humid summers. This creates a high demand for robust and reliable heating systems (especially oil, propane, and advanced heat pumps) and efficient cooling solutions. The seasonal demand is sharply bimodal, with a major peak in late fall for heating installations and emergency repairs during winter cold snaps, and a smaller peak in late spring for AC tune-ups. Homeowners prioritize energy efficiency and system durability due to the high cost of heating fuel and the extreme weather conditions. The market consists of a mix of long-standing local providers and companies that serve the broader Southern Vermont region.

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 South Londonderry regulations and climate

Frequently Asked Questions About HVAC in South Londonderry

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

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

The ideal time is during the late spring or early fall (May-June or September-October). This avoids the peak winter demand when HVAC companies are busiest with emergency repairs, ensuring better scheduling flexibility and potentially faster installation. Given Vermont's harsh winters, planning ahead ensures your system is fully operational before the first deep freeze hits the Green Mountains.

2Are there specific heating system types recommended for our cold Vermont climate and older homes in South Londonderry?

Yes, for the prolonged sub-freezing temperatures, high-efficiency modulating condensing furnaces or boilers are highly recommended for consistent comfort and fuel savings. For older homes with challenging ductwork, ductless mini-split heat pumps are an excellent option for zoned heating and cooling, and they qualify for Vermont-specific energy efficiency rebates like those from Efficiency Vermont.

3How much should I budget for a full central air conditioning installation in a typical South Londonderry home?

For a standard forced-air system, homeowners can expect a range of $8,000 to $15,000+, heavily dependent on home size, existing ductwork condition, and system efficiency. Vermont's short but increasingly warm summers make variable-speed, high-SEER AC units a valuable investment for humidity control and efficiency, though they come at a higher initial cost.

4What local licenses or certifications should I verify when choosing an HVAC contractor in this area?

Always ensure the contractor holds a valid Vermont Master Plumber and/or Master Electrician license, as required by state law for HVAC work. Additionally, look for NATE (North American Technician Excellence) certification, which indicates advanced competency. It's also wise to choose a provider familiar with Act 250 considerations if you're in a more remote or environmentally sensitive part of Londonderry.

5My heat pump seems inefficient during our coldest weeks. Is this normal, and what's my best backup strategy?

This is a common concern. Standard air-source heat pumps lose efficiency below freezing, which is why a properly sized system for our climate includes a secondary heat source, like electric resistance strips or a hybrid (dual-fuel) system with a furnace. The most reliable and efficient backup for South Londonderry's extreme cold is a properly maintained existing furnace or a new propane/gas furnace configured to work in tandem with the heat pump.