Networks are an important element in developing professional connections, education, and communities. This is a directory of networks related to the historic trades.

Connect with Professionals

This page hosts a roster of professional networks related to the historic building trades. Membership-based networks are open to individual, organizational, and/or businesses–some networks will have prerequisite qualifications.

Do you know a network that should be added or a network that is no longer active? Submit an entry! This helps us keep the database an up-to-date and relevant resource. As available, please include the name of the organization, contact information, website and social media, membership type, activities and publications, and trade skills practiced.

Masonry Heater Association


The Masonry Heater Association is a 501(c)6 dedicated to serving the interests of the masonry heating industry and its clients. Masonry heaters are a traditional European model of storing wood-fired heat in the masonry thermal mass that then radiates the heat.


Open to individuals and businesses


Annual conference, regional events, and certification tests


Technical Reports, member newsletter

Trade Skills

Brick and Stone Masonry, combustion science

Events hosted by MHA