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Contact Mannix Heating and Cooling for HVAC and Pool Heat Pump Service Today!

At Mannix Heating and Cooling, we understand the importance of a properly functioning heating system, and we’re here to provide top-notch heating services to the residents of Damascus and the surrounding areas.

Our Heating Services

Our team of experienced technicians is well-versed in all aspects of heating systems, from traditional furnaces to heat pumps and boilers. We offer a comprehensive range of services, including:

  • Heating system installation: If you’re building a new home or replacing an old, inefficient heating system, our experts can help you select the best option for your needs and budget. We’ll ensure that your new system is properly sized, installed, and optimized for maximum efficiency and comfort.
  • Heating system maintenance: Regular maintenance is essential for keeping your heating system running smoothly and efficiently. Our maintenance services include thorough inspections, cleaning, and tune-ups to prevent breakdowns and extend the life of your equipment.
  • Heating system repair: If a problem occurs with your heating system, don’t panic, call Mannix! Our skilled technicians are equipped to handle all types of heating system repairs, from minor issues to complex problems. We’ll diagnose the issue quickly and provide effective, long-lasting solutions to restore your comfort.

At Mannix Heating and Cooling, we pride ourselves on our commitment to customer satisfaction. We understand that a heating system breakdown can be stressful and inconvenient, which is why we offer 24/7 emergency repair services. No matter when you need us, we’ll be there to help.

In addition to our technical expertise, we also strive to provide exceptional customer service. Our friendly, knowledgeable staff will take the time to answer your questions, explain your options, and keep you informed throughout the process. We believe in building long-term relationships with our clients based on trust, integrity, and exceptional service.

Trust Mannix Heating and Cooling for All Your Heating Service Needs

When you choose Mannix Heating and Cooling for your Damascus, MD heating needs, you can expect:

  1. Highly trained and certified technicians
  2. Top-quality products from leading manufacturers
  3. Transparent pricing and no hidden fees
  4. Prompt, reliable service
  5. 100% satisfaction guarantee

Don’t let a heating system problem leave you in the cold. Trust the experts at Mannix Heating and Cooling to keep your home warm and comfortable all winter long. Contact us today to schedule your heating service appointment or to learn more about our products and services. We look forward to serving you!

We’re in Your Neighborhood

Whether you’re in Gaithersburg, MD, Chantilly, VA, or Treasure Island, FL, our local teams are ready with 24-hour answering service and experienced technicians who keep your systems running when you need them most.

Gaithersburg, MD

7824 Beechcraft Ave
Gaithersburg, MD, 20879
(301) 260-6000

View Location

Chantilly, VA

26955 Gum Spring Road
Chantilly, VA, 20152
(703) 777-9211

View Location

Treasure Island, FL

10625 1st Street E. Suite 200
Treasure Island, FL, 33706
(727) 999-7002

View Location

HVAC Maintenance

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Comprehensive Climate Control Solutions

Our comprehensive approach encompasses everything from routine maintenance to complete system overhauls, ensuring optimal performance throughout every season. We specialize in both residential and commercial applications, understanding that each environment presents unique challenges requiring customized solutions.

Mannix Rewards

Receive up to $100 Mannix Heating & Cooling Visa® Prepaid Card

Customer Referral Program

Customer Reviews
Mannix has always been professional from service calls to repairs and replacements. The technicians are always polite and knowledgeable. They consistently exceed our expectations.
Wendy Collins Leave a Review
Customer Reviews
I have been using Mannix for years. They have replaced my HVAC system and I have them do maintenance twice a year. The past couple of visits have been done by Ramiro. He is professional, polite, knowledgeable, and very helpful in assisting me with tips on the best ways to operate my system. Today,...
Patricia Ryan Leave a Review
Customer Reviews
Mannix proved very responsive in fixing my A/C system. The tech, Erick, was very professional by taking the time showing and explaining to me the system problem prior to taking action replacing the coil. Ashleigh, customer service, was excellent in addressing and following through on concerns in...
Gary Hendricks Leave a Review
Customer Reviews
They were lifesavers!!! My furnace went out and after three days of dealing with the home warranty company and the unscrupulous vendor they sent to my home, I called Mannix. The service technician was friendly, efficient but most of all honest. He found the problem after twenty minutes, saving...
Shondra J ones Leave a Review
Customer Reviews
We were in desperate need of a fix on our AC system during the July heatwave. The issue arose on a Saturday. Mannix came to the rescue in short order, fixed it, and at a reasonable price. Silvio G was the technician, and he was GREAT. We would definitely use Mannix again!
Customer Reviews
Before dealing with Mannix I used two very well-known and “reputable” HVAC companies who did nothing but rip us off over the years. I was frustrated and found Mannix Heating & Cooling about 10 years ago. They installed a new HVAC system in my old home, and installed a water...
Customer Reviews
My 24-year-old heat pump finally decided to stop working. I sent a request for a replacement estimate late one night through the Mannix website and received a phone call early the very next morning to set up an appointment. Eric Holzworth stopped by my house the next day to go over my options. He...
Customer Reviews
I’ve been using Mannix for years and have never been disappointed. They’ve replaced my HVAC, hot water heater and installed a humidifier on my furnace. Whenever I need them, they can get me on the schedule in a timely manner. All the personnel are great and I trust Jerry and his team...
Rachel Craft Leave a Review
Customer Reviews
Been a happy Mannix customer for a few years now, but recently had them replace our aging HVAC system. The whole process was very painless, from Eric helping us decide which system was right for our home, to the efficient and professional installation by Billy and Matt. I am very pleased with the...
Philip Slingerland Leave a Review
Customer Reviews
I contacted Mannix from a referral of a friend who has benefitted from the excellent service this company provides. I found out a couple I know in Vienna had their heat pump stop working a few months ago and needed to be replaced. I called up the Mannix office later in the day on Monday 11/30/20...
Lynne Wilson Leave a Review
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