Furnace Repair
Stay warm through the toughest winters with fast, expert furnace repairs. Our licensed technicians diagnose and fix all furnace issues quickly and affordably.
What We Offer
No Heat Diagnostics
Quick identification of why your furnace isn't producing heat, from pilot light issues to blower problems.
Unusual Noise Repair
Fix rattling, banging, or squealing sounds that indicate worn parts or mechanical issues.
Thermostat Troubleshooting
Diagnose and repair thermostat malfunctions that prevent proper temperature control.
Ignition System Repair
Fix pilot light and electronic ignition problems to restore reliable startup.
Airflow Restoration
Repair blower motors, clean ducts, and restore proper airflow throughout your home.
Why Choose Knowles Mechanical
Serving Central & Southern Maine
Augusta, Waterville, Bangor, Lewiston, Portland, Bath, Brunswick, Windham, Auburn, and surrounding areas.
24/7 Emergency Service Available: (207) 445-4092 ext 2
Ready to Get Started?
Contact us today for a free estimate. Our team is standing by to help.
Beyond Furnace Repair: Complete HVAC & Plumbing Solutions
If your furnace is beyond repair, our team can guide you through a seamless furnace installation with high-efficiency systems sized for your home. We also specialize in heat pump repair for dual-source heating systems that need expert attention.
In the warmer months, our technicians deliver prompt air conditioner repair and install ductless mini-split systems for homeowners who want energy-efficient climate control without extensive ductwork.
Need a plumber? Our licensed team provides professional plumbing services and expert fixture installation for residential and commercial properties. Business owners can also learn about our solar contracting division for commercial energy projects.
View all of our services, return to our homepage, or contact us to schedule a repair. Interested in joining our team? Visit our careers page.