Reliable and Energy-Efficient HVAC Solutions for Every New Hampshire Home and Business

Locally Trusted to Enhance Comfort and Efficiency in New Hampshire

We pride ourselves on no hidden fees such as Diognostic Fees Fuel Surcharge Shop Fees Van/Truck Fees  Credit Card Fees

About Marathon HVAC

With over 30 years of experience, Marathon HVAC is your trusted partner in providing exceptional, personalized heating, cooling, and air quality solutions.
Transform your comfort with tailored HVAC solutions from Marathon HVAC. Experience transparent pricing, outstanding customer service, and high-quality products from the industry’s top brands. Let us help you create the perfect climate for your home or business!

SAVE UP TO $1900

With NHSaves

Thinking about an energy-efficient ductless system to heat and cool your home? Rebates from NH Saves make upgrading to high efficient heating equipment even more appealing—you’ll save money while helping the planet.

Qualifying installations can earn up to a $1,900 rebate for our NHSaves utility partners. And with Marathon HVAC handling every detail, all you have to do is sign the paperwork and wait for your check!

Our Solutions

Marathon HVAC offers a comprehensive range of services designed to enhance comfort and efficiency for both residential and commercial clients in New Hampshire. Below is an expanded overview of their five primary service areas:

Air Conditioning

Marathon HVAC provides tailored air conditioning solutions to ensure optimal comfort during the warmer months. Their services include:

Heating

Ensuring warmth and comfort during the colder seasons, Marathon HVAC offers comprehensive heating services, including:

Indoor Air Quality

Recognizing the importance of clean air, Marathon HVAC offers services aimed at improving indoor air quality:

Building Automation

For commercial clients, Marathon HVAC provides building automation services to enhance operational efficiency:

Ductless Mini Splits

Marathon HVAC specializes in ductless mini split systems, offering flexible solutions for various heating and cooling needs:
With over 30 years of experience, Marathon HVAC is committed to delivering personalized and reliable HVAC solutions. Their team of EPA-certified, N4-certified, and licensed gas fitter professionals ensures that each service is performed to the highest standards, prioritizing customer satisfaction and comfort.

Our Workmanship Guarentee

At Marathon HVAC, our commitment to quality goes beyond just installation. We back our work with a comprehensive workmanship warranty on all replacement parts, ensuring every component is installed with precision and care. This warranty is designed to give you complete peace of mind, knowing that if any issues arise, our expert team is ready to step in and resolve them promptly. Trust in our workmanship and enjoy lasting comfort in your home.

Customer Testimonials

Don't just take our word for it—listen to what satisfied customers say about our dedication and service

Why Choose Marathon HVAC

Customized Solutions

Every home and business gets a personalized approach

Advanced Technology

We use the latest technology to ensure optimal efficiency

Expert Team

Our EPA-certified, N4-certified, and licensed gas fitter professionals are dedicated to your comfort and satisfaction

Quality Service

We prioritize customer satisfaction above all else, offering personalized solutions tailored to each client’s unique needs.

Want to learn more about our team or see our work?

Areas We Serve

Contact Information

Have questions or need expert advice? We’re just a call or click away.