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

Brookside

Pewabic Pottery

Pewabic fabricates heirloom quality architectural tiles for public and private installations, gift and commemorative tiles, vessels, gardenware, ornaments and both reproductions and adaptations of its historic designs and offers classes, workshops, lectures, internships and residency programs for studio potters and other artists.

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Vintage Doors

Bring beauty and value your home with heirloom-quality REAL wood doors by Vintage Doors. Meticulously handmade by expert craftsmen in your exact size and style—to be loved and respected for generations, just like the olden days. Hand-crafted wood product line includes: screen doors, storm doors, Dutch doors, French doors, louver doors, pantry doors, interior doors, exterior doors, entrance units, three season porch enclosures, pet doors, arch top doors, round top doors, custom doors and more.

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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

Energy Efficient Central Heating, Cooling and Indoor Air Quality Systems for over 35 years. The Hi-Velocity Small Duct System fits where others cannot, removing 30% more moisture from the air than conventional systems, and eliminating hot and cold spots in the home or office.

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.