The Best HVAC in Sullivan, NH

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

#1

Sullivan Climate Control

4.8
(127 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency heating and cooling systems for Sullivan's harsh winters and humid summers. They are a Carrier Factory Authorized Dealer and offer comprehensive energy audits and geothermal system installations.

421 Main Street, Sullivan, NH 03445

Specialties & Features

24/7 Emergency Service
Geothermal Systems
Energy Efficiency Upgrades
Boiler Installation

Business Information

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

Monadnock Heating & Cooling

4.6
(94 reviews)
Verified

Serving the Sullivan area for over two decades, this provider is known for its expertise in heat pump systems, ideal for NH's variable climate. They are a Lennox Premier Dealer and specialize in both residential and light commercial HVAC solutions, including complex ductwork design and indoor air quality systems.

88 Old Route 9, Sullivan, NH 03445

Specialties & Features

Heat Pump Specialists
Ductwork Design & Sealing
Indoor Air Quality
Commercial HVAC

Business Information

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

TrueTemp HVAC Services

4.5
(68 reviews)
Verified

A reliable, family-owned operation focused on prompt repair and maintenance plans to keep systems running efficiently year-round. They excel in furnace and boiler service, which is critical for Sullivan winters, and offer affordable financing options for system replacements.

512 Pierce Road, Sullivan, NH 03445

Specialties & Features

Furnace & Boiler Repair
Priority Maintenance Plans
Oil-to-Gas Conversion
24/7 Emergency Repair

Business Information

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

Why These Are the Top HVAC Contractors in Sullivan

The HVAC market in Sullivan, NH, is heavily influenced by its humid continental climate, characterized by cold, snowy winters and warm, humid summers. This creates a high year-round demand for reliable heating (especially furnaces and boilers) and efficient cooling solutions. Homeowners prioritize energy efficiency due to high heating costs, leading to a strong market for heat pumps, system upgrades, and weatherization services. The market consists of a mix of long-standing local providers and larger regional companies serving the broader Monadnock 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 Sullivan regulations and climate

Frequently Asked Questions About HVAC in Sullivan

Get answers to common questions about hvac services in Sullivan, New Hampshire.

1What is the typical cost range for installing a new central heating system in a Sullivan, NH home?

For a full system replacement (furnace or heat pump with ductwork), homeowners in Sullivan can expect a range of $6,500 to $12,000+, heavily dependent on home size, system efficiency, and installation complexity. Sullivan's cold winters make high-efficiency systems (like modulating furnaces or cold-climate heat pumps) a valuable investment for long-term fuel savings, though they have a higher upfront cost. Always get multiple itemized quotes from local, licensed contractors to compare.

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

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

3Are there any local regulations or incentives in New Hampshire I should know about for HVAC work?

Yes. New Hampshire requires all HVAC contractors to be licensed by the state (check their license with the NH Office of Professional Licensure and Certification). For incentives, while NH has no state sales tax, you should inquire about federal tax credits for high-efficiency systems like heat pumps. Additionally, Sullivan residents can check with their local fuel provider or NH's NHSaves program for potential rebates on qualifying energy-efficient equipment installations.

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

Prioritize contractors who are locally based, fully licensed and insured in New Hampshire, and have strong, verifiable references from nearby homes. A reliable Sullivan contractor will be deeply familiar with installing and servicing systems for our specific climate, including dealing with well water for geothermal systems, managing hard water in humidifiers, and ensuring systems perform efficiently in sub-zero temperatures. Always avoid those who won't provide a detailed, written estimate.

5My heat pump seems inefficient during Sullivan's coldest weeks. Is this normal, or do I need a repair?

This is a common concern. Standard air-source heat pumps lose efficiency as temperatures drop below freezing, which is frequent in Sullivan. It's normal for them to rely on supplemental electric resistance heat (auxiliary/emergency heat) during extreme cold, which increases energy bills. To avoid this, consider a cold-climate specific heat pump model or ensure your backup system (like a propane furnace) is properly maintained. A local technician can assess if your system's performance is within normal parameters or if a repair is needed.