Extreme Plumbing provides boiler repair, installation, and replacement for homes and businesses across Haverhill, the Merrimack Valley, and Greater Boston. We service gas, oil, and high-efficiency systems from leading brands.
Call today: 978-352-7900 | Request Service Online
Quick diagnostics and dependable repairs for leaks, low pressure, ignition, and circulation issues.
Properly sized, high-efficiency systems from trusted brands to lower bills and increase comfort.
Annual cleanings, safety checks, combustion analysis, and oil-to-gas conversions.
Extend system life and prevent unexpected breakdowns.
On-call technicians to restore heat fast.
Weil-McLain, Burnham, Buderus, Bosch, Navien, Viessmann, Triangle Tube, and more.
• Licensed and insured heating specialists
• 24/7 emergency service
• Upfront pricing and clear communication
• Energy-efficient installations with rebate guidance
Related pages: Heating Services • Air Conditioning • Plumbing • Contact Us
Haverhill, Andover, North Andover, Methuen, Lawrence, Boxford, Georgetown, and surrounding Merrimack Valley communities.
“Our boiler failed during a cold snap. Extreme Plumbing replaced it within a day. Fantastic work.” — Karen L., Haverhill, MA
“Fair pricing, clear communication, and the new system is whisper quiet.” — Daniel P., Methuen, MA
“They repaired my oil boiler the same night. Lifesavers.” — Susan G., Andover, MA
We service Weil-McLain, Burnham, Buderus, Bosch, Navien, Viessmann, and more.
If it’s 15+ years old, frequently breaks down, or inefficient, replacement is often the smarter long-term investment.
Schedule maintenance once a year before heating season to ensure performance and safety.
Yes, we provide around-the-clock emergency boiler repair in Haverhill and nearby areas.
