Row-home additions
Extending to a rear bump-out or finished basement without touching the main duct trunk.
Central Comfort Without Central Ductwork
Perfect for the old Philly row homes, twins, and additions where running new ducts means tearing up plaster. Mini-splits heat, cool, and dehumidify — quietly, and one room at a time.
Three parts. No ducts. Total comfort.
01
Outdoor Condenser
One slim outdoor unit (about the size of a small dresser) sits on a wall bracket or ground pad and compresses refrigerant.
02
Refrigerant Lineset
A 3-inch-wide bundle of insulated copper lines runs through a small wall penetration to each indoor head — no ductwork required.
03
Indoor Heads
Wall, ceiling, or floor units deliver conditioned air directly to each room, with its own remote and set-point.
Six situations where ductless wins every time
Finished attics
Central-air rarely reaches attic bedrooms. A single ceiling cassette handles the entire space quietly.
Sunrooms & 4-season porches
Glass rooms overwhelm central systems. A dedicated head keeps them usable January through August.
Detached garages & shops
Heat pump-driven mini-splits work down to –5°F — perfect for a home gym or workshop.
In-law suites
Independent thermostat control means the suite stays comfortable without heating an empty main house.
Historic homes with radiators
Add central AC without gutting plaster walls or losing closet space to ductwork chases.
Which one is right for your home?
Ductless Mini-Split
Traditional Central Air
- Best For
Row homes with no existing ductwork.
Homes with well-maintained ducts already in place.
- Install Impact
1–2 days, minimal drywall work.
3–5+ days if ducts must be added; drop ceilings and closet chases.
- Efficiency
Up to 30+ SEER2, zero duct loss.
15–18 SEER2, up to 30% duct loss in old homes.
- Zoning
Room-by-room, native.
Whole-house unless dampers added.
- Aesthetics
Visible indoor heads on walls / ceilings.
Hidden inside soffits and closets.
Sizing and typical investment
Ranges below include equipment, refrigerant, lineset, electrical, and Philadelphia L&I permit.
| Configuration | Capacity | Typical Use | Installed Range |
|---|---|---|---|
| 1 Zone | 9k – 24k BTU | Single addition, sunroom, or master bedroom. | $4,200 – $6,800 |
| 2 Zone | 18k – 30k BTU | Master + one other bedroom, or 1st + 2nd floor. | $7,500 – $11,500 |
| 3 Zone | 24k – 42k BTU | Small whole-home rowhouse conversion. | $11,000 – $16,000 |
| 4–5 Zone | 36k – 60k BTU | Full whole-home coverage for 3-story rowhomes. | $15,500 – $24,000 |
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Brands we install and service
Mitsubishi Diamond Contractor and Daikin Comfort Pro — extended parts and labor warranties available on both.
Serving all of Greater Philadelphia
Mitsubishi Electric
Daikin
LG
Fujitsu
Gree
Bosch