Central & Southern Maine

Maine's Trusted HVAC, Plumbing & Electrical Experts

Professional heating, cooling, plumbing, and electrical services for homes and businesses. Available 24/7 for emergencies.

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(207) 405-0612

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5-Star Rated on Google

Licensed & Insured

24/7 Emergency Service

Heating Services

Keep your home warm through Maine's coldest winters with expert furnace installation, repair, and heat pump solutions.

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Heating Services

Keep your home warm through Maine's coldest winters with expert furnace installation, repair, and heat pump solutions.

Learn More

Our Services

Complete Home & Business Solutions

From heating and cooling to plumbing and solar, we provide comprehensive services to keep your property comfortable and efficient year-round.

Heating Services

Keep your home warm through Maine's toughest winters with our expert heating solutions.

Furnace Installation
Furnace Repair
Heat Pump Repair

Cooling Services

Stay comfortable all summer with reliable air conditioning and cooling solutions.

AC Repair
Ductless Mini-Splits

Plumbing Services

Professional plumbing solutions for your home, from repairs to new installations.

Fixture Installation
Leak Detection
Water Heaters

Solar Contracting

Commercial solar installation and engineering for Maine businesses.

Rooftop Solar Arrays
Ground-Mount Systems
Battery Storage

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Why Knowles Mechanical

The Knowles Difference

For years, Maine homeowners and businesses have trusted us for reliable, professional service. Here's why:

24/7 Emergency Service

HVAC emergency at 2am? We're here. Our technicians are available around the clock for urgent repairs.

Licensed & Insured

All our technicians are fully licensed, insured, and trained on the latest equipment and techniques.

Upfront Pricing

No surprises. We provide detailed estimates before any work begins so you know exactly what to expect.

Local Maine Experts

We understand Maine's climate and building needs. Family-owned and committed to our community.

Top Brands

We work with industry-leading brands like Trane, American Standard, York, Mitsubishi, and more.

Financing Available

Flexible financing options and Efficiency Maine rebates to make upgrades affordable.

Service Areas

Proudly Serving Central & Southern Maine

From Augusta to Portland, Bangor to Bath, our team provides reliable HVAC, plumbing, and electrical services throughout Maine. No matter where you're located, quality service is just a phone call away.

Whether you need emergency furnace repair during a cold Maine winter, air conditioning service in the summer heat, or professional plumbing work any time of year, our licensed technicians are ready to help homeowners and businesses across the region. We understand the unique challenges of Maine's climate and building requirements.

Don't see your town listed? Give us a call — we likely serve your area too!