Lamarche Heating & Air - Allenstown's Qualified HVAC Services

We provide comprehensive HVAC services including installation, replacement, repair, and maintenance for heating and cooling systems. Our team handles everything from complete system upgrades to routine service calls, ensuring your home stays comfortable year-round. With over 20 years of experience in Southern New Hampshire, we understand the specific needs of Allenstown residents, such as addressing common issues like dirty condenser coils or smart thermostat malfunctions to improve efficiency and reliability.

We offer full water heater installation and repair services, whether you need a new unit installed or an existing one fixed. Our technicians assess your system to recommend solutions that fit your home's requirements and budget, ensuring reliable hot water supply. With Sean's 30+ years of expertise, we explain the process clearly so you understand the work being done, helping Allenstown homeowners make informed decisions about their water heating needs.

If you're experiencing HVAC issues like reduced efficiency, strange noises, or temperature inconsistencies, contact us for a service call. We diagnose problems such as dirty condenser coils or smart thermostat errors, which are common in Allenstown homes due to local weather and usage patterns. Our technicians provide straightforward explanations and repairs to restore your system's performance, helping you avoid bigger problems and maintain comfort throughout the seasons.