MMT Heating & Cooling

Name: MMT Heating & Cooling
Address: 5501 Miller Trunk Hwy, Duluth, MN, 55811, US
Telephone: +1-218-729-1585
Price range: $$
Rating: 4.7

Duluth, MN Indoor Air Quality · #5 of 4 · 33+ yrs

★ 4.7 · 25+ Google reviews · 📍 5501 Miller Trunk Hwy, Duluth, MN 55811, USA

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+1-218-729-1585 Visit website

⏱ 33+ years in business Review sentiment: 78/100

Overview

MMT leads with Mitsubishi Diamond Contractor and Bryant authorized dealer relationships. The company notes humidifier, dehumidifier, and ERV/HRV ventilation offerings. Founded in 1993, MMT has served Duluth-area homes for over 30 years. MMT advertises emergency service for winter heating interruptions. Local homes here face long heating seasons and high ventilation needs.

MMT Heating & Cooling installs whole-home IAQ systems in Duluth, including purifiers, UV-C, and ventilators. Mitsubishi Diamond Contractor status and Bryant authorized-dealer relationships are listed. emergency service is advertised for urgent HVAC and IAQ needs.

Score breakdown

Duluth, MN Indoor Air Quality average is 73/100. Ranks #5 of 4 listed Indoor Air Quality providers in Duluth, MN.

Editorial Review 51 46%

Google Rating 90 17%

Local Search Rank 33 9%

Review Sentiment 78 15%

Years in Business 100 4%

Review Volume 39 9%

Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →

vs. Duluth average

Across 4 vetted iaq services providers in Duluth, MN.

Signal	MMT Heating & Cooling	Duluth avg	Delta
Vouched Score	61/100	73/100	-12 vs avg
Google rating	4.7★	4.8★	-0.1 vs avg
Review volume	25+	90+	-66 vs avg
Years in business	33+	14+	+19 vs avg

Pros

Strengths

Long-established (33+ years in business)

Services offered (self-reported)

Authorized Mitsubishi Diamond Contractor, Bryant Authorized DealerEmergency response: 24-hourSatisfaction guarantee

When to choose them

You want manufacturer-warranty installation work
You value a long-tenured local operator (33+ years in business)

Service area

Duluth, MNhome

Services Duluth, MNhome

Office: 5501 Miller Trunk Hwy, Duluth, MN 55811, USA

Neighborhood: 5501 Miller Trunk Hwy, Duluth, MN 55811, USA

Contact & hours

📞

+1-218-729-1585

🌐

mmtheating.com

📍

5501 Miller Trunk Hwy, Duluth, MN 55811, USA

🕒

Call for hours

Frequently asked questions

What are the pros of MMT Heating & Cooling?

Based on public records and customer reviews: Long-established (33+ years in business); Authorized Mitsubishi Diamond Contractor, Bryant Authorized Dealer; Emergency response: 24-hour; Satisfaction guarantee.

When should I choose MMT Heating & Cooling?

Choose them if: You want manufacturer-warranty installation work; You value a long-tenured local operator (33+ years in business).

What is the Vouched Score for MMT Heating & Cooling?

61/100. Top contributing signals: Years In Business 100/100, Google Rating 90/100+ Review Sentiment 78/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.

How long has MMT Heating & Cooling been in business?

MMT Heating & Cooling has been operating for 33+ years in Duluth, MN.

How can I contact MMT Heating & Cooling?

Call MMT Heating & Cooling at +1-218-729-1585. Address: 5501 Miller Trunk Hwy, Duluth, MN 55811, USA.

What does indoor air quality service typically cost when working with a Duluth, MN provider like MMT Heating & Cooling?

Whole-house HEPA air purifier typically runs $1,550–$4,150, and UV-C germicidal lamp runs $310–$1,250 in Duluth, Minnesota. These are area-wide market estimates, not MMT Heating & Cooling's quotes. For an exact price, request a written estimate from MMT Heating & Cooling.

Compare with nearby providers

Provider	Vouched	Google	Years
MMT Heating & Cooling (this company) ⭐ Whole-Home Air Purification · ⭐ UV-C Sterilization · ⭐ Humidity Control	61/100	4.7★ (25+)	33+
Advantage Air Plumbing, Heating, & Cooling	64/100	4.6★ (65+)	12+
Plumbing and Heating Solutions Inc	71/100	5.0★ (80+)	5+
Design Heating, LLC ⭐ Best for Measure-First Diagnosis	80/100	4.9★ (110+)	10+

Listed in

Best Indoor Air Quality in Duluth, MN

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Profile last updated July 27, 2026.