Serving Central & Southern Maine
Cooling Services

Air Conditioner Repair

When your air conditioner stops working—or just isn't cooling the way it should—Knowles Mechanical is here to help with fast diagnostics and expert repair.

What We Offer

Full System Diagnostics

Comprehensive inspection to identify the root cause of AC problems.

Refrigerant Services

Check levels, detect leaks, and recharge refrigerant for optimal cooling.

Thermostat Calibration

Repair or replace malfunctioning thermostats for accurate temperature control.

Component Repairs

Fix or replace fan motors, capacitors, compressors, and other critical parts.

Coil Maintenance

Clean evaporator and condenser coils, clear drain lines for efficient operation.

Air Conditioner Repair

Why Choose Knowles Mechanical

Prompt emergency response with quick turnaround
Experienced troubleshooting for all AC makes and models
Focus on permanent repairs, not temporary fixes
Energy-efficient recommendations
Rebate and financing options available
Filter replacement and airflow restoration
24/7 emergency AC service
Transparent pricing before work begins

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.

Complete Heating, Cooling & Plumbing Services

Beyond AC repair, Knowles Mechanical provides full-service comfort solutions for Maine homes. Consider upgrading to a ductless mini-split system for zone-controlled cooling and heating without ductwork, or schedule heat pump repair if your system handles both heating and cooling.

When winter arrives, count on our team for reliable furnace installation and emergency furnace repair so your home stays warm through Maine's coldest months.

Our licensed plumbers handle all types of plumbing work, including water heater services and professional fixture installation. Commercial clients can also explore our solar contracting services for energy-saving projects.

Explore all of our services, visit our homepage, or contact us to get a free estimate. We're also growing our team — see our careers page for openings.