HVAC Services Sandown NH | Call Marshall Mechanical

A furnace ignition failure is a common and urgent issue in our cold winters. First, check your thermostat settings and ensure the circuit breaker hasn't tripped. If the problem persists, it's time to call a professional. At Marshall Mechanical, our technicians are experienced in diagnosing and repairing ignition issues specific to our climate. We'll get your heat restored quickly and safely, and can advise on whether a repair or a system replacement with our reliable Trane equipment is the most cost-effective long-term solution for your Sandown home.

Yes, we stand behind our work and the equipment we install. Marshall Mechanical provides a 10-year warranty on new HVAC equipment. This warranty offers peace of mind and reflects our confidence in the quality of the Trane systems we install and our own installation standards. We ensure every detail is handled correctly, so you can count on your heating and cooling system for years to come.

Absolutely. We serve homeowners throughout New Hampshire, whether you need to upgrade an existing system or plan the HVAC for a new construction project. For existing homes, we focus on precise replacements and repairs that integrate seamlessly. For new builds, we work closely with homebuilders and homeowners from the planning stage to ensure the ductwork and system are perfectly sized and installed for optimal efficiency and comfort in your new Sandown home.