Different fuel, different maintenance. Extreme Plumbing services both gas furnaces and oil furnaces throughout Haverhill. If you’re searching for “Gas Furnace Service Haverhill” or “Oil Furnace Repair Haverhill,” you’re in the right place. Call (978) 352‑7900 for fast local help.
| Aspect | Gas Furnace | Oil Furnace |
|---|---|---|
| Fuel delivery | Utility gas line | On‑site oil tank and deliveries |
| Efficiency | Up to 98% AFUE | Typically 80–90% AFUE |
| Maintenance | Burner cleaning, igniter, sensor | Nozzle, filter, pump, soot cleanup |
| Operating cost | Generally lower in MA with gas service | Variable by oil prices; solid heat output |
| Common issues | Ignition failures, pressure switches | Nozzle clog, pump failure, soot accumulation |
Gas: Annual maintenance $179–$329; repairs $180–$750 depending on part.
Oil: Annual service $229–$399; repairs $220–$850 due to additional components and cleaning.
“They tuned our gas furnace and fixed short cycling.” – Omar V., Haverhill
“Oil nozzle and filter replaced—no more soot smell.” – Diane E., Haverhill
“Explained the pros and cons of switching fuels.” – Nate R., Haverhill
“Quick diagnosis on a pressure switch issue.” – Heather T., Haverhill
“Great annual service plan for our oil system.” – Lois M., Haverhill
“Balanced airflow and the house feels warmer.” – Colin J., Haverhill
“Honest recommendations without upselling.” – Brianna K., Haverhill
Modern oil units are efficient, but condensing gas models usually win on AFUE.
Gas or oil, we keep Haverhill warm. Call (978) 352‑7900 for expert furnace service.
