What areas does Knowles Mechanical serve?

We serve Central and Southern Maine including Augusta, Waterville, Bangor, Lewiston, Auburn, Portland, Bath, Brunswick, and Windham.

Do you offer emergency HVAC service?

Yes, we offer emergency heating and cooling repair services to keep your home comfortable year-round.

What types of heating systems do you install?

We install oil, gas, and propane furnaces, heat pumps, ductless mini-splits, and boilers.

Do you offer financing options?

Yes, we offer financing options for major HVAC installations and equipment upgrades.

Heating Services

Furnace Installation

When the cold hits Maine, you need a furnace that's powerful, efficient, and built to last. Our expert technicians install high-efficiency furnaces for homes and businesses throughout Maine.

(207) 405-0612 Schedule Service

What We Offer

Gas Furnace Installation

High-efficiency natural gas systems designed to reduce utility bills and keep your home comfortable.

Oil Furnace Installation

Modern, clean-burning options perfect for rural Maine properties without natural gas access.

Propane Furnace Installation

Energy-efficient solutions for off-grid homes with flexible fuel delivery options.

Electric Furnaces

Low-maintenance heating option for homes without gas or oil supply lines.

Complete System Sizing & Design

Proper assessment of your home specifications for optimal efficiency and comfort.

Why Choose Knowles Mechanical

Installation from trusted brands (American Standard, Trane, York)

Licensed technicians with code compliance expertise

Efficiency Maine rebates and flexible financing available

Most installations completed in a single day

24/7 emergency HVAC service

Transparent pricing and customer satisfaction guarantee

Free in-home estimates

Proper disposal of old equipment

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?

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Related Heating, Cooling & Plumbing Services

A new furnace is a major investment, and Knowles Mechanical is here to protect it. If your system ever needs attention, our furnace repair team provides fast, reliable diagnostics and fixes. We also service heat pumps for homeowners who rely on dual heating and cooling systems.

Looking for cooling solutions? We offer expert air conditioner repair and install energy-efficient ductless mini-split systems that pair well with a new furnace for year-round comfort.

Our plumbing team can handle water heater installations alongside your furnace project, and our professionals provide skilled fixture installation for kitchens and bathrooms. Maine businesses can also explore our solar contracting services to pair energy-efficient heating with clean energy.

Browse all of our services, visit our homepage, or contact us to schedule your installation. We're also looking for talented technicians — check our careers page for open positions.