When the New England summer arrives, a reliable and efficient air conditioning system is not a luxury—it's essential for your family's comfort and well-being. For homeowners in Wellesley, MA, selecting and installing the right AC unit is a critical investment. A proper installation ensures your system runs at peak performance, maximizes energy efficiency, and provides consistent, powerful cooling for years to come. At Lavallee Systems, our expert AC installation services are designed to provide a seamless experience, from initial consultation to the final system check, ensuring your home becomes a cool sanctuary from the heat.
An air conditioner is only as good as its installation. An improperly installed unit can lead to a host of problems, including reduced efficiency, frequent breakdowns, and a significantly shorter lifespan—it can even pose safety risks. Our certified technicians at Lavallee Systems understand the unique architecture and climate challenges of Wellesley homes. We adhere to the highest industry standards and manufacturer specifications, guaranteeing that your new system is set up for optimal performance, saving you money on energy bills and future repairs. We handle every detail, from precise load calculations to secure electrical connections and proper refrigerant charging, ensuring every component works in perfect harmony.

We believe in a transparent and thorough process that puts your needs first. When you partner with Lavallee Systems for your AC installation, you can expect a structured approach designed for your complete satisfaction.
Every home is different. We begin with a detailed assessment of your Wellesley residence. Our experts will evaluate your home's square footage, layout, insulation quality, window placement, and existing ductwork (if any). This allows us to perform a precise "Manual J" load calculation to determine the exact cooling capacity your home requires. An oversized or undersized unit is a common mistake that leads to inefficiency and discomfort; our meticulous process prevents this.
Based on our assessment, we will walk you through the best AC options for your specific needs and budget. We'll explain the differences between central air systems, ductless mini-splits, and heat pumps, detailing the benefits of each. We help you understand SEER (Seasonal Energy Efficiency Ratio) ratings, noise levels, and advanced features like smart thermostats, empowering you to make an informed decision.
Our licensed and insured technicians will arrive on schedule, ready to perform the installation with precision and care. We protect your home by using drop cloths and cleaning up our work area thoroughly. The installation includes setting the outdoor condenser on a stable, level pad, expertly installing the indoor evaporator coil, and running all necessary refrigerant lines and electrical wiring according to local Wellesley codes.
Once the physical installation is complete, we don't just turn it on and leave. We perform a comprehensive system commissioning process. This involves checking refrigerant levels, testing airflow, calibrating the thermostat, and inspecting all safety controls. We run the system through multiple cycles to ensure it delivers powerful, even cooling to every designated area of your home.
Finally, we'll guide you through your new system. We'll show you how to operate the thermostat, change the air filter, and understand the basic functions. We want you to feel completely confident in using and maintaining your new air conditioner for maximum comfort and longevity.
Navigating the world of AC systems can be daunting, and Lavallee Systems specializes in helping you choose with confidence.
The most common solution for homes with existing ductwork. A central AC system distributes cool air evenly throughout the entire house via a network of ducts and vents. They are highly effective, efficient, and operate quietly in the background—ideal for most single-family homes in the Wellesley area.
The perfect solution for homes without pre-existing ductwork, such as older or historic properties. They are also excellent for room additions, sunrooms, or for creating zoned cooling. A ductless system consists of an outdoor compressor connected to one or more indoor air-handling units, offering flexible, highly efficient cooling for specific areas.
An all-in-one solution for both heating and cooling. In the summer, a heat pump functions exactly like an air conditioner, extracting heat from inside your home and moving it outdoors. In the cooler months, it reverses the process. They are incredibly energy-efficient and are a great option for Wellesley homeowners looking to upgrade their entire HVAC system.
Is your current air conditioner struggling to keep up? It can be difficult to decide between a costly repair and a full replacement, and Lavallee Systems can help you evaluate your best path forward.
Upgrading your system not only restores your comfort but also provides superior energy efficiency, lowers your carbon footprint, and increases your property value. Schedule your professional AC installation consultation with our expert team at Lavallee Systems today.
Beat the New England heat with a reliable cooling system installed by the experts at Lavallee Systems. Contact us today to schedule your AC installation consultation and transform your Wellesley home into a cool, comfortable retreat all summer 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.