HVAC & Retrofit Systems

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Old House Online's Directory of suppliers and installers of HVAC and retrofit systems for classically-designed or older homes. Specialties include retrofitting older systems for energy efficiency; heating & air conditioning repair; ventilation systems, and more. 

SEE ALSO: Ceiling, Room & Whole-House Fans | Fireplaces, Inserts & Stoves | Hot WaterRadiators, Grilles, & Registers

Products of the Week

A pendant light over the door adds a stately touch to the ubiquitous Victorian porch; Brass Light Gallery’s London Lantern mimics the design of 19th-century streetlights.

Brass Light Gallery

Interior and exterior architectural lighting for your home and garden, in styles from Victorian to '30s Modern. Select from 15 finish options. Made in USA since 1974. They also have a vintage/antique lighting department, and offer expert restoration services.

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Unico System

A central heating and cooling system using "aspiration" technology to warm and cool homes evenly and quietly with flexible small ducts that weave through ceilings, walls, and even floors.

Sponsored

Floor Outlet

SpacePak

The total solution for central cooling and heating in ANY home or small business; regardless of structure design, age, size or type of construction.

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Unico System

A central heating and cooling system using "aspiration" technology to warm and cool homes evenly and quietly with flexible small ducts that weave through ceilings, walls, and even floors.

Featured

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Hi-Velocity Systems

The Hi-Velocity System is an energy efficient air delivery system that can be designed to provide heating, cooling, filtration, ventilation, humidification and dehumidification.

rheem-condensing-tankless-in-laundry-room

Rheem

The only manufacturer of integrated heating, cooling and water heating solutions, including tankless, continuous hot water, an advanced hybrid water heater system, and residential pool and spa products.

Floor Outlet

SpacePak

The total solution for central cooling and heating in ANY home or small business; regardless of structure design, age, size or type of construction.

1_gallery_custom1

Unico System

A central heating and cooling system using "aspiration" technology to warm and cool homes evenly and quietly with flexible small ducts that weave through ceilings, walls, and even floors.