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 Water | Radiators, Grilles, & Registers

Products of the Week

Brookside
Tile

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.

pewabic-celtic-tile-pow

Heirloom Quality Custom Tile

PEWABIC-POW

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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.

Featured

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.

Bosch Heating And Cooling

DK Heating Systems, Inc.

Fires of Tradition

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.

Hutchinson Plumbing, Heating, and Cooling

Mitsubishi Electric

Oneida Air Systems

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.

Sila Heating & Air Conditioning

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.