HVAC & Retrofit Systems

OHJ-newlogo-placeholder-directory

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

Victorian polychrome paint scheme

Preservation Products

Preservation Products is the exclusive licensed distributor for Acrymax preservation and restoration systems, also offering special formulated primers, sealers, clear coats, accessories and reinforcing fabrics.

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

Mitsibushi Pic

Mitsubishi Electric

Whether you have a single uncomfortable room, you’re renovating your entire house, or you’re building a home from scratch, Mitsubishi Electric has a Zoned Comfort Solution® that fits your unique needs.

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.