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About Marathon HVAC
Marathon HVAC operates as a dedicated heating and cooling contractor serving the Boston metropolitan area and surrounding Massachusetts communities. The business maintains a perfect 5.0-star rating accumulated across nine client reviews, reflecting consistent service delivery and customer satisfaction. Technicians associated with Marathon address residential heating systems, cooling equipment, and indoor air quality concerns across varied housing stock in the region.
Based on detailed client feedback, Marathon HVAC specializes in diagnosing and repairing complex heating systems that have challenged previous contractors. The technical team handles multi-stage furnaces, mini-split heat pump configurations, and traditional forced-air systems. Clients specifically mention resolution of mini-split heating failures, propane furnace service, water heating system replacements, and gas line leak remediation. The business prioritizes cost-effective repairs over unnecessary equipment replacement, with multiple reviewers noting that proposed solutions avoided significant expense.
Multiple reviewers highlight technician Keith by name, describing specific service scenarios including same-day weekend repair visits and complex system diagnostics. One client recounts how Keith resolved a heating issue on a frosted mini-split system within an hour, explaining the malfunction and providing preventive maintenance guidance with visual documentation. Another review describes propane exhaust pipe safety improvements during a water heater installation. The technical approach emphasizes transparent communication, fair pricing, and availability for follow-up questions.
What Customers Say
Nine reviewers awarded perfect five-star ratings, with five specifically naming technician Keith and describing same-day weekend response, clear explanations with pictures, and fair invoicing. Five reviews mentioned cost-effective repairs avoiding expensive replacements.
Services
Heating System Repair
Diagnosis and repair of furnaces, boilers, heat pumps, and mini-split systems causing insufficient heat or system failures.
Cooling System Service
Air conditioning repair, maintenance, and troubleshooting for systems failing to cool properly or exhibiting unusual operation.
Water Heater Installation & Repair
Replacement of water heating systems with safety inspections including propane exhaust pipe assessment and corrections.
Gas Line Repair
Professional repair of gas line leaks with proper testing and safety verification following local codes.
Preventive Maintenance
System inspections, explanatory walkthroughs with pictures, and guidance on maintaining equipment longevity.