The Best HVAC in Duluth, MN

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

#1

North Star Climate Control

4.8
(142 reviews)
Verified

A premier HVAC contractor specializing in high-efficiency heating systems crucial for Duluth's harsh winters. They are experts in cold-climate heat pumps, furnace replacements, and comprehensive energy efficiency audits. Their technicians are NATE-certified and particularly skilled in addressing the unique challenges of older homes in Duluth's historic districts.

834 Lakeview Drive, Duluth, MN 55802

Specialties & Features

24/7 Emergency Heating Service
Cold Climate Heat Pumps
High-Efficiency Furnace Installation
Boiler Systems
Energy Efficiency Audits

Business Information

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

Superior Heating & Cooling

4.7
(118 reviews)
Verified

A family-owned and operated HVAC company with deep roots in the Duluth community. They are known for reliable installation of major brands like Trane and Lennox, and their honest, upfront repair services. They offer robust maintenance plans specifically designed for the long heating season, helping to prevent costly emergency breakdowns during sub-zero temperatures.

4512 Grand Avenue, Duluth, MN 55807

Specialties & Features

Furnace Repair & Installation
Preventative Maintenance Plans
Ductwork Design & Sealing
Smart Thermostat Installation
Water Heater Services

Business Information

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

Lakewalk Air

4.5
(96 reviews)
Verified

Specializes in modern, energy-efficient HVAC solutions including advanced air purification systems, which are a growing demand in the region. They excel in both residential and light commercial system design and installation, with a strong focus on improving indoor air quality and integrating smart home technology with HVAC systems.

1202 London Road, Duluth, MN 55804

Specialties & Features

Air Quality & Purification
HVAC System Design & Zoning
Energy Efficiency Upgrades
24/7 Emergency Service
Commercial HVAC Services

Business Information

Years in Business:14 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Duluth

The Duluth HVAC market is heavily dominated by heating services due to the long, severe winters with an average of over 80 inches of snow and temperatures frequently dropping below zero. This creates intense seasonal demand for furnace and boiler installation, repair, and emergency service. Energy efficiency is a major concern for homeowners due to high heating costs. Summers are mild but humid, driving a smaller but growing demand for air conditioning and dehumidification systems. Providers must be well-versed in a variety of systems, from traditional forced-air furnaces to cold-climate heat pumps and hydronic boilers, to serve the diverse housing stock.

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 Duluth regulations and climate

Frequently Asked Questions About HVAC in Duluth

Get answers to common questions about hvac services in Duluth, Minnesota.

1What is the best time of year to replace my furnace in Duluth?

The ideal time is during the late spring or summer (May-August). During Duluth's mild summers, HVAC companies have more flexible scheduling and you can avoid the high-demand emergency service calls of fall and winter. This timing also ensures your new system is installed and tested well before the first deep freeze, which can arrive as early as October.

2How does Duluth's climate affect the type of HVAC system I should choose?

Duluth's long, severe winters make heating capacity and efficiency the top priority. For furnaces, look for a high-efficiency (90%+ AFUE) model and ensure it's properly sized for our extreme cold snaps, which can reach -30°F. Given our humid summers, a properly sized and efficient air conditioner or heat pump is also important, but the heating system is the critical investment for year-round comfort.

3Are there any local rebates or incentives for upgrading my HVAC system in Duluth?

Yes, Minnesota Power and Lake Superior District Electric Cooperative often offer rebates for installing high-efficiency furnaces, air conditioners, and heat pumps. Additionally, federal tax credits for qualifying energy-efficient equipment apply. Always ask your local HVAC contractor about current incentives, as they change and can significantly reduce your net cost.

4What should I look for when choosing an HVAC contractor in the Duluth area?

Prioritize local, licensed, and insured contractors with extensive experience serving Duluth's unique climate. They should perform a detailed Manual J load calculation specific to your home's insulation, windows, and exposure to lake-effect weather. Check for strong reviews, affiliations with organizations like the Minnesota Air Conditioning Contractors Association (MACCA), and a proven track record of service during winter emergencies.

5Why is my furnace running constantly during a Duluth cold snap, and is this normal?

During prolonged periods of extreme cold (common in January and February), it is normal for your furnace to run in longer cycles to maintain your set temperature. However, if it's running non-stop and still not reaching the thermostat setting, it could indicate issues like a dirty filter, failing component, or a system that is undersized for our climate, which requires a professional diagnosis.