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A well-designed HVAC system starts before the equipment is installed. L & J Cooling and Heating works with the home’s plans and construction layout to coordinate equipment sizing, duct routing, supply and return locations, and other system requirements before installation begins.
Proper equipment sizing is critical to comfort, efficiency and humidity control. We consider the home’s construction, insulation, windows, orientation and room-by-room heating and cooling loads when selecting the appropriate system.
The duct system is designed around the airflow the home actually needs. We plan supply locations, return-air paths, duct sizing and routing to help provide balanced comfort while minimizing unnecessary restriction.
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From initial planning through final start-up, we coordinate the major HVAC components needed to support comfort, airflow and reliable system performance in a new home.
We evaluate the home’s heating and cooling requirements to help select properly sized equipment for comfort, efficiency and humidity control.
Supply and return ductwork is planned around required airflow, available framing space and the layout of the home.
Register, grille and return locations are planned to promote balanced airflow and consistent comfort throughout the home.
Refrigerant piping, condensate drainage, thermostat wiring and related system components are installed and coordinated with the construction process.
Heating and cooling equipment, thermostats and accessories are installed according to the system design and manufacturer requirements.
Before completion, we start the system, verify operation, evaluate airflow and temperature performance, and make necessary adjustments.
A high-efficiency HVAC system can still perform poorly if the equipment is oversized, the ductwork is restrictive, or airflow is not properly distributed throughout the home. Good new construction HVAC design considers how the entire system works together.
Proper design can help with:
L & J Cooling and Heating focuses on proper planning, sizing, airflow and installation so the finished system is designed around the home's actual comfort needs—not simply what fits in the mechanical space.

New Construction Home in Statesville, NC
Whether you’re building your forever home, a custom home or an investment property, L & J Cooling and Heating can help plan an HVAC system around the home’s actual heating, cooling and airflow requirements. We explain the options clearly and coordinate the installation through each stage of construction.
We work with builders and contractors to coordinate HVAC design, rough-in, equipment installation, controls, start-up and final testing while staying aligned with the construction schedule and project requirements. Our goal is to provide dependable communication, clean workmanship and a system that performs as designed.
Review plans, calculate loads, determine equipment requirements, and plan duct routing, supply locations and returns.
Install ductwork, refrigerant piping, drains, control wiring and other HVAC components while the home is open and accessible.
Install the heating and cooling equipment, thermostats and applicable accessories as construction progresses.
Start the system, verify operation, evaluate airflow and temperature performance, and make final adjustments before completion.

L & J Cooling and Heating is providing the HVAC installation for this new construction home in Statesville, NC. The project will progress from system planning and rough-in through equipment installation, start-up and final verification.

Before ductwork is installed, we review the home’s layout, equipment requirements, duct routing, supply and return locations, and other details that affect airflow, comfort and system performance.
HVAC planning should begin before rough-in whenever possible. Early planning allows equipment sizing, duct routing, supply and return locations, drains, refrigerant piping and controls to be coordinated with the home’s framing and construction schedule.
Proper system sizing should be based on the home’s actual heating and cooling requirements rather than square footage alone. Factors such as insulation, windows, orientation, construction materials, air leakage and room-by-room loads can all affect equipment sizing.
Yes. L & J Cooling and Heating plans supply and return airflow, duct sizing and routing as part of the overall HVAC system so the equipment and ductwork are designed to work together.
Yes. We can coordinate with builders and contractors throughout the project to help keep HVAC rough-in, equipment installation, controls and final start-up aligned with the construction schedule
The ductwork and other rough-in components are generally installed earlier in construction, while the primary equipment and controls are installed later as the home progresses. The exact sequence depends on the project and construction schedule.
Yes. Before completion, we start the HVAC system, verify operation, evaluate airflow and temperature performance, and make necessary adjustments.
Whether you’re a homeowner planning a new build or a contractor looking for an HVAC partner, L & J Cooling and Heating can help with system design, ductwork, equipment installation and final start-up throughout Troutman, Statesville, Mooresville, Lake Norman and surrounding communities.
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