HVAC & Plumbing Services in North Vassalboro, ME | Knowles Mechanical

Ice buildup on heat pumps or AC units is a common issue in our Maine climate, often caused by a defrost cycle problem, low refrigerant, or blocked airflow. Our licensed technicians can diagnose the specific cause, whether it's a faulty sensor, a refrigerant leak, or ice blocking the coils. We perform the necessary repair to restore proper operation and prevent potential damage to the compressor, helping your system run efficiently through our cold seasons.

We provide a full range of residential plumbing services for local homeowners, including inspections, repairs, and installations. Whether you have a leaky faucet, need a new fixture installed, require pipe repair or replacement, or are dealing with a more complex issue, our team can handle it. We also specialize in water heater installation and repair, as well as installing hot water recirculation pumps to reduce wait times for hot water at the tap.

Absolutely. High heating bills often point to an aging or inefficient heating system, poor insulation, or air leaks. We start with a thorough inspection of your HVAC system—furnace, boiler, or heat pump—to assess its condition and efficiency. Based on our findings, we can recommend specific repairs, a maintenance plan to optimize performance, or discuss the benefits of a newer, more efficient system installation tailored to your home. Improving your system's efficiency is a direct way to gain better comfort and manage winter energy costs.