The Best HVAC in Dover, NH

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

#1

Seacoast Climate Control

4.8
(142 reviews)
Verified

A leading full-service HVAC contractor specializing in high-efficiency heating and cooling solutions for Dover's coastal climate. They are known for expert installation of heat pumps, which are ideal for New Hampshire's variable seasons, and provide comprehensive 24/7 emergency repair services. They are a Carrier Factory Authorized Dealer, ensuring top-tier equipment and training.

125 Silver Street, Dover, NH 03820

Specialties & Features

24/7 Emergency Service
Heat Pump Installation & Service
High-Efficiency Furnaces
Indoor Air Quality Solutions
Carrier HVAC Systems

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Dover Heating & Cooling

4.6
(118 reviews)
Verified

A family-owned and operated HVAC company with deep roots in the Dover community. They excel in servicing all brands of furnaces and air conditioners, with a strong focus on reliable repair and maintenance plans to keep systems running efficiently through harsh winters and humid summers. Their technicians are NATE-certified and EPA-approved.

45 Locust Street, Dover, NH 03820

Specialties & Features

Furnace Repair & Installation
AC Maintenance Plans
Duct Cleaning & Sealing
Boiler Services
Local & Family-Owned

Business Information

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

Granite State HVAC Pros

4.5
(96 reviews)
Verified

Specializes in energy-efficient HVAC system upgrades and replacements, helping homeowners and businesses in Dover reduce their carbon footprint and utility bills. They are experts in evaluating home envelope performance and recommending systems like modulating furnaces and variable-speed AC units for optimal comfort and efficiency. They offer flexible financing for new system installations.

301 Central Avenue, Dover, NH 03820

Specialties & Features

Energy Efficiency Audits & Upgrades
HVAC System Replacement
Ductwork Design & Installation
Lennox Premier Dealer
Smart Thermostat Integration

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Dover

The HVAC market in Dover, NH, is driven by a humid continental climate with cold, snowy winters and warm, humid summers. This creates a consistent year-round demand for both heating and cooling services. Homeowners prioritize reliability and energy efficiency due to high seasonal fuel and electricity costs. The market is competitive with a mix of long-standing local companies and newer, efficiency-focused contractors. Top providers distinguish themselves with 24/7 emergency service, expertise in modern heat pump technology (ideal for the shoulder seasons), and robust maintenance programs to prepare systems for extreme weather.

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 Dover regulations and climate

Frequently Asked Questions About HVAC in Dover

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

1What is the typical cost range for replacing a central air conditioning system in a Dover, NH home?

For a standard, single-family home in Dover, a full AC replacement typically ranges from $5,000 to $12,000. This wide range depends on the home's size, the system's efficiency (SEER rating), and the complexity of the installation, such as ductwork modifications. Given our humid summers and the desire for energy efficiency, many homeowners opt for higher SEER units, which have a higher upfront cost but offer significant long-term savings on electricity bills from utilities like Eversource.

2When is the best time of year to schedule furnace maintenance or replacement in the Dover area?

The absolute best time is during the late spring or early fall (April-May or September-October). Scheduling during these shoulder seasons ensures you avoid the extreme demand and potential wait times of the first cold snap in late October/November. This proactive timing is critical for Dover's cold winters, as it guarantees your system is reliable before temperatures drop, and many local HVAC companies offer preseason discounts during these slower periods.

3Are there any local rebates or incentives for upgrading to a more efficient HVAC system in New Hampshire?

Yes, homeowners should always check for incentives. The primary program is through NHSaves, a collaboration of New Hampshire's electric and gas utilities. They often offer rebates for installing high-efficiency heat pumps, furnaces, and central AC units. Additionally, the federal tax credits for energy-efficient home improvements can apply. A reputable local Dover HVAC contractor will be knowledgeable about current programs and can help you navigate the application process to maximize your savings.

4How do I choose a reliable HVAC contractor in Dover, and what local licenses should I verify?

Always choose a contractor licensed by the New Hampshire Department of Safety (Plumbing & Mechanical Licensing Board) and insured. Look for established local companies with strong community reputations, and check for membership in organizations like the Air Conditioning Contractors of America (ACCA). Given the age of many homes in the Seacoast area, experience with older structures and their unique heating challenges (like steam boilers or outdated ductwork) is a valuable indicator of a qualified provider.