HVAC Repair Merrimack NH | Call Granite State Mechanical Services

Ice buildup on your outdoor unit is a common issue in our New Hampshire climate and often indicates a problem with airflow or refrigerant levels. First, safely turn the system off at the thermostat to prevent damage. Our technicians are familiar with the specific demands of local weather and can diagnose the root cause—whether it's a dirty filter, low refrigerant, or a faulty component. We provide prompt repair services to restore efficient operation and help prevent future ice issues, keeping your system running reliably through the winter.

Yes, we provide thorough HVAC system maintenance designed to improve efficiency, extend the lifespan of your equipment, and maintain good indoor air quality. Our maintenance service includes inspecting critical components, cleaning systems, and checking for potential issues before they lead to a breakdown. As a family business that prioritizes long-term customer relationships, we believe regular maintenance is key to preventing costly repairs and ensuring your home stays comfortable year-round. Contact us to discuss a maintenance schedule tailored to your system.

Our process begins with a free, in-home consultation to assess your needs and provide a clear, competitive estimate. For a water heater installation, we'll help you select the right model for your household's size and efficiency goals. Our licensed plumbers handle the entire process, from safe removal of the old unit to proper installation, testing, and cleanup. We stand behind our work with a warranty on labor, ensuring your new system is installed correctly and ready for reliable, long-term use. We aim to make the upgrade straightforward and stress-free.