Ensuring your home remains a sanctuary of comfort throughout the year is our top priority. For residents of Wellesley, MA, a reliable and efficient heating, ventilation, and air conditioning (HVAC) system isn’t a luxury—it’s a necessity. From the humid days of summer to the bitter cold of a New England winter, your HVAC system works tirelessly. Lavallee Systems provides comprehensive, expert HVAC services tailored specifically for Wellesley homes, ensuring your indoor environment is always perfectly controlled, healthy, and energy-efficient. Our commitment is to deliver unparalleled workmanship and exceptional customer service, making us the trusted choice for all your heating and cooling needs.
Our team of certified technicians at Lavallee Systems is equipped to handle every aspect of your home’s climate control system. We specialize in a full spectrum of services designed to maximize performance, extend equipment lifespan, and provide you with complete peace of mind.

Whether you are building a new home or upgrading an outdated system, a proper installation is the foundation of long-term efficiency and reliability. We guide you through the entire process, from selecting the right-sized, high-efficiency unit for your home’s unique layout to performing a meticulous installation that adheres to the highest industry standards. Lavallee Systems offers a range of modern HVAC solutions, including central air conditioners, high-performance furnaces, ductless mini-splits, and heat pumps, ensuring you get a system that fits your budget and comfort goals.
An unexpected HVAC breakdown can disrupt your life and compromise your comfort. When your system fails, you need a team that responds quickly and diagnoses the problem accurately. Our technicians at Lavallee Systems are skilled in troubleshooting and repairing all makes and models of heating and cooling equipment. We arrive with fully stocked vehicles, prepared to resolve most issues in a single visit. From a furnace that won’t ignite to an air conditioner blowing warm air, we work diligently to restore your system to optimal working condition as swiftly as possible.
Regular maintenance is the single most effective way to protect your HVAC investment. Lavallee Systems offers preventative maintenance plans designed to keep your system running at peak efficiency, reduce the risk of costly breakdowns, and improve your home’s indoor air quality. During a tune-up, our technicians perform a thorough inspection, clean critical components, lubricate moving parts, and identify potential issues before they escalate. This proactive approach not only saves you money on energy bills and future repairs but also ensures your system is ready to handle the demands of Wellesley’s harshest weather.
Selecting an HVAC contractor is a significant decision. Lavallee Systems has built its reputation in the Wellesley community by consistently delivering on promises of quality, integrity, and customer satisfaction.
We are not just a company that works in Wellesley; we are part of the community. Lavallee Systems understands the specific challenges posed by New England’s climate and the unique characteristics of local homes, from historic properties to modern constructions. This localized knowledge allows us to recommend and implement solutions that are perfectly suited to your needs, ensuring optimal performance and efficiency year-round.
Our greatest asset is our team. Every Lavallee Systems technician is fully licensed, insured, and continuously trained on the latest HVAC technologies and best practices. They treat your home with the utmost respect, maintaining a clean workspace and communicating clearly throughout the service process. You can trust that the person working on your system is a skilled, knowledgeable, and courteous professional dedicated to getting the job done right.
At Lavallee Systems, we believe in doing more than just fixing the immediate problem. Our goal is to provide lasting solutions that enhance your home’s comfort and efficiency for years to come. We use high-quality parts and equipment for all repairs and installations, and we stand behind our workmanship. We take the time to explain our findings and offer honest recommendations, empowering you to make informed decisions about your home’s HVAC system.
HVAC emergencies don’t wait for business hours. A furnace failure in the middle of a January night or an AC breakdown during a July heatwave requires immediate attention. Lavallee Systems offers responsive emergency HVAC services to Wellesley clients to ensure your safety and comfort are restored without delay. When you face an urgent heating or cooling issue, our team is ready to provide the rapid, effective solutions you need to protect your home and family.
At the core of Lavallee Systems is a simple mission: to provide Wellesley residents with the highest standard of HVAC service. We are dedicated to building long-term relationships with our clients through reliable work, transparent communication, and an unwavering focus on customer satisfaction.
Experience the difference of expert care and reliable comfort. Contact Lavallee Systems now to book your HVAC installation, repair, or maintenance service in Wellesley, MA — and keep your home running efficiently all year long.
Enjoy discounted pricing on our already affordable maintenance services.
Save on necessary repairs with a fixed discount.
Upgrade your system with an exclusive member discount.
Avoid the $300 fee if emergency service is ever required.
When you need service, you’ll be at the top of our list for the fastest possible response.