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Mannix Heating & Cooling - Gaithersburg

5.0

About this business

Mannix Heating & Cooling meets higher standards of quality. For heating, cooling and electrical needs in Gaithersburg, MD, Chantilly, VA and their surrounding areas and the surrounding areas, we offer home and business owners a comprehensive range of services, including installation, upgrades, seasonal maintenance, and prompt repair. We have earned distinction as a Carrier Factory Authorized Dealer, maintaining rigid criteria for customer satisfaction, technical expertise, and ethical business practices. 

Location details

7824 Beechcraft Ave, Gaithersburg, MD, 20879, United States

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5.092 reviews
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Steve Michaels 
a month ago

Mannix heating did an excellent job from the same day visit to estimate a furnace replacement to the installation technician who did an excellent job installing both the furnace and a steam humidifier. I used them for my other furnace 3 years ago and that was also a great experience. I had other estimates and they were the most competitive too. You won’t go wrong with this company. 

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Collin Klamper 
6 days ago

KP was here this week for our seasonal inspection and like everyone else I’ve worked with at Mannix, he was on time, professional, and incredibly courteous. They take great care of our equipment and they’re easy to work with. 

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David Palacios 
3 months ago

I have been working with Mannix Heating & Cooling for 4 years since they installed my heating and cooling systems and I have no complaints. In fact, only good things to say about them which motivated this review. Today was a great example. Technician Erick Aviles visited me today to check my heating system. He did a great job because he carefully evaluated the issue, found the root cause, made the necessary repair and explained everything in a way that is easy to understand. Erick is a great example of the professionalism a... read more

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Allison Jolly 
5 months ago

My A/C blower motor was flooded during Hurricane Helene here in Florida. The technician (Than?) was amazing! Prompt, excellent communications, and knowledgeable. His diagnosis (wiring harness connections failed due to water damage) was 100% correct. 

Grace Schiraldi's profile image
Grace Schiraldi 
2 months ago

Emanuel was fabulous when he came to do our winter service. He spent time checking our two furnaces, including the outside parts buried in snow, and took the time to check the ductwork in our attic at my husband’s request. We have always had excellent service from Mannix Heating and Cooling. 

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Frequently asked questions about Mannix Heating & Cooling - Gaithersburg

How is Mannix Heating & Cooling - Gaithersburg rated?

Mannix Heating & Cooling - Gaithersburg has a 5 star rating with 92 reviews. 

When is Mannix Heating & Cooling - Gaithersburg open?

Mannix Heating & Cooling - Gaithersburg is open now. It is open 24/7.