The Best HVAC in Rochester, NH

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

#1

Seacoast Climate Control

4.8
(142 reviews)
Verified

Full-service HVAC contractor specializing in high-efficiency heating and cooling systems for Rochester's climate. Offers comprehensive installation, maintenance, and repair services with a focus on energy-saving solutions. Factory-trained technicians with expertise in heat pumps, furnaces, and ductless mini-splits ideal for New Hampshire's variable seasons.

45 Gonic Road, Rochester, NH 03867

Specialties & Features

24/7 Emergency Service
Energy Efficiency Consulting
Heat Pump Specialists
Ductwork Design

Business Information

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

Granite State Heating & Cooling

4.7
(118 reviews)
Verified

Family-owned HVAC company with deep roots in the Rochester community. Specializes in furnace installation and repair critical for New Hampshire winters, along with comprehensive AC services for humid summers. Known for honest diagnostics and working with premium brands like Carrier and Lennox.

112 Wakefield Street, Rochester, NH 03867

Specialties & Features

Furnace Installation & Repair
Emergency Heating Services
Air Quality Solutions
Boiler Systems

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Rochester Efficient Air Solutions

4.6
(96 reviews)
Verified

HVAC contractor focused on energy-efficient system upgrades and precision installation. Specializes in ductwork optimization and smart thermostat integration to maximize comfort in Rochester's temperature extremes. Offers proactive maintenance plans to prevent breakdowns during peak heating and cooling seasons.

28 Hansonville Road, Rochester, NH 03867

Specialties & Features

Energy Efficiency Upgrades
Ductwork Services
Precision Installation
Maintenance Plans

Business Information

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

Why These Are the Top HVAC Contractors in Rochester

Rochester's HVAC market is characterized by high demand for reliable heating systems due to cold winters (average lows in teens) and quality AC systems for humid summers. The climate demands versatile systems like heat pumps that handle both extremes. Energy efficiency is a significant concern for homeowners due to high heating costs. The market features several established local providers competing with regional chains, with emphasis on 24/7 emergency service availability during winter months.

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 Rochester regulations and climate

Frequently Asked Questions About HVAC in Rochester

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

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

For a full high-efficiency central AC system replacement in a standard Rochester single-family home, homeowners can expect to pay between $5,000 and $9,000. This range accounts for the system, labor, ductwork evaluation, and proper disposal of the old unit. Costs are influenced by the home's size, the system's SEER (Seasonal Energy Efficiency Ratio) rating, and the complexity of the installation, which can be higher in older Rochester homes with existing ductwork challenges.

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

The ideal time is during the shoulder seasons—late spring (April-May) or early fall (September-October). Scheduling outside of peak winter demand ensures greater availability from local HVAC contractors and allows for proactive repairs before Rochester's cold, snowy winters set in. This timing also helps you avoid emergency service premiums and potential no-heat situations during a January cold snap.

3Are there any local regulations or rebates in New Hampshire I should know about when upgrading my HVAC system?

While Rochester follows the State of New Hampshire building codes, there are no unique city-specific HVAC permits beyond standard electrical and plumbing requirements for new installations. Importantly, you should inquire with your HVAC provider about rebates from New Hampshire's energy efficiency program, NHSaves, and federal tax credits for high-efficiency equipment, which can significantly offset upgrade costs for qualifying heat pumps or furnaces.

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

Look for a licensed, insured, and locally established contractor with positive reviews from Rochester residents. They should perform a detailed Manual J load calculation specific to your home's construction and our local climate to correctly size any new system. A reputable provider will also be familiar with common issues in the region, such as managing humidity with air conditioning in our humid summers or ensuring furnace reliability during extended sub-freezing periods.

5My heat pump seems inefficient during the coldest weeks. Should I switch to a different system?

Not necessarily. Modern cold-climate air-source heat pumps are designed to operate efficiently in New Hampshire's winters, but performance can dip during extreme cold (below 5°F). Many Rochester homes successfully use a dual-fuel or hybrid system, which pairs a heat pump with a gas or propane furnace as a backup for the coldest days. A local HVAC professional can assess if your current system is properly sized and maintained or if a supplemental system is a cost-effective solution for our climate.