Warmth and Comfort, All Winter Long

Advanced Heating Solutions Tailored for Your Home or Business

Heating Services in New Hampshire

Professional Heating Solutions for Homes & Businesses

New Hampshire winters can be harsh, making a reliable heating system essential for comfort and safety. Marathon HVAC specializes in heating system installation, maintenance, and repairs to keep your home or business warm and energy-efficient during the cold months.

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 Heating Services

When the cold weather hits, you need a reliable heating system. Marathon HVAC specializes in providing efficient, high-performance heating solutions designed to keep you warm without breaking the bank.
Professional installation of top-quality heating systems that match your specific needs and budget.
Preventive maintenance services to keep your heating system running efficiently throughout the winter months.
Quick and efficient repair services to address any issues, ensuring your system remains in top condition.

Benefits of Our Heating Services

Lower Energy Bills

Efficient heating systems reduce energy consumption.

Reliable Performance

Well-maintained systems prevent unexpected breakdowns.

Extended Equipment Lifespan

Regular maintenance ensures longevity.

Experienced Professionals

Our technicians are industry-certified and possess deep local knowledge, guaranteeing expert service.

Customer Testimonials

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

Areas We Serve

FAQs About Our Heating Services

It’s best to schedule maintenance at least once a year, preferably before winter.
If your system is over 15 years old, requires frequent repairs, or struggles to heat your home efficiently, it may be time for a replacement.
We work with furnaces, boilers, heat pumps, and radiant heating systems.

Schedule Your Free Heating System Evaluation!

Learn more about how Marathon can help with your heating needs

Our Maintenance Services

Regular inspections and tune-ups to keep your system performing at its best.
Thorough cleaning of filters, coils, and other components to enhance air quality and system efficiency.
Detailed assessments to identify potential issues before they become major problems.
Flexible maintenance tailored to meet the specific needs of your home or business.