Jeff MacKay Mechanical | Local HVAC Services in Littleton, NH

We provide comprehensive HVAC services including installation, replacement, repair, and maintenance for heating and cooling systems. Whether you need a new system installed, an existing one fixed, or routine upkeep to prevent issues, our experienced team can handle it. We also offer water heater installation and repair, ensuring your home stays comfortable and functional.

For Littleton residents dealing with ice buildup on outdoor HVAC units, we start with a thorough inspection to identify the cause, such as airflow issues or refrigerant problems. Our repair process includes safely defrosting the unit, fixing any underlying malfunctions, and providing maintenance tips to prevent recurrence. We also check for pilot light failures in heating systems, ensuring safe and efficient operation during cold New Hampshire winters.

Yes, we provide 24/7 emergency assistance for HVAC and water heater problems. Whether it's a sudden breakdown in the middle of winter or a water heater failure, our team is available to respond quickly to restore comfort and safety to your home. We serve Littleton and nearby areas, with free estimates to help you understand the repair or replacement options.