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

crown point kitchen

Crown Point Cabinetry

Crown Point Cabinetry offers custom cabinets for period style kitchens, baths, offices, laundry rooms, home bars and more. Styles include Shaker, Arts & Crafts, Early American, Victorian and Transitional.

OHJ Product of the Week - Allied Window, Inc. - Bowed - Custom Color (2)

Allied Window

Allied Window offers a beautiful, affordable and invisible solution for your bent glass and shaped windows.  Allied Window's specialty is creating insulating storm windows that disappear into your shaped openings - matching the shape exactly - from bent glass to odd shapes, sizes and thicknesses – disappearing into your window opening.

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

Hi-Velocity-Family-2019

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.

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.