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615 Builders, luxury custom home builder in Nashville TN 615-431-3789

Luxury Systems, Technology & Exterior Shell

Comfort systems for luxury homes with zoned heating and cooling, clean air and quiet operation

High-efficiency heating, cooling, humidity control and air purification designed for large and complex homes.

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Comfort Systems: Heating, Cooling & Air Quality

Large custom homes are difficult to heat and cool well. Vaulted ceilings, tall windows, bonus rooms and basements all behave differently, and a single thermostat cannot satisfy them. We design comfort systems with load calculations, zoning, dampers and multi-stage or variable-speed equipment that hold even temperatures and run quietly.

We pay attention to the details that decide comfort: duct sizing and placement, return air paths, humidity control, fresh-air ventilation, filtration and air purification. For luxury builds we also install radiant floor heating, geothermal where suitable and dedicated systems for wine cellars, gyms and pool houses.

What you get

Done right, from the first walk-through

01

Load calculation and design

Systems sized room by room instead of by rule of thumb.

02

Zoning and variable-speed equipment

Multiple zones and efficient equipment that adjusts output.

03

Radiant and specialty systems

Radiant floors, geothermal options and dedicated systems for special rooms.

04

Air quality

Whole-home filtration, humidity control and fresh-air ventilation.

The process

How your service comes together

  1. 1

    Design the system

    We calculate loads and design equipment, ducts and zones.

  2. 2

    Install with care

    Equipment, ducts and controls are installed neatly and tested.

  3. 3

    Commission and tune

    Airflow and controls are balanced and you are shown how to use them.

FAQ

Common questions about heating & cooling

Why is my large house uneven?

Tall spaces, glass and bonus rooms need zoning and proper duct design. We analyze and correct the cause.

Can you add radiant heat?

Yes. We install hydronic and electric radiant systems under floors.

Can you improve air quality?

Yes. Filtration, ventilation, humidity control and purification can all be added.

Related services

Often planned together

Luxury Plumbing & Fixtures Plumbing & FixturesQuiet, high-flow plumbing with tankless heating, filtration, steam showers and fine fixtures.Learn more Home Gyms & Wellness Rooms Gyms & Wellness RoomsGyms, yoga studios, saunas and steam rooms with rubber floors, mirrors, ventilation and recovery spaces.Learn more Wine Cellars & Tasting Rooms Wine CellarsTemperature-controlled cellars with custom racking, glass walls, stone details and tasting areas.Learn more

Service areas

Nashville and the cities all around it

From Clarksville to Shelbyville and Dickson to Cookeville, pick your city to see the custom homes, additions and renovations we build in your part of Middle Tennessee.

Nashville Antioch Arrington Bellevue Brentwood Clarksville College Grove Columbia Cookeville Dickson Fairview Franklin Gallatin Goodlettsville Hendersonville Hermitage La Vergne Lebanon Madison Mt. Juliet Murfreesboro Nolensville Shelbyville Smyrna Spring Hill Springfield Thompson's Station White House

Not on the list? Call 615-431-3789. We take projects across Middle Tennessee.

Let us help with your heating & cooling

Call, text or send the form. Tell us about the home, where it is and when you hope to start, and we will take it from there.

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