An installer is asked to connect an old (but still working) propane-fueled cast-iron boiler, which was salvaged from another project, to a slab-on-grade floor heating system in a new workshop.

An installer is asked to pipe two independent zones of high mass floor heating to a conventional gas-fired boiler.

How to become a psychologist and therapist in one easy lesson: Open a mechanical contracting firm!

An installer was asked to include an air-to-water heat pump into a low-temperature radiant panel heating system supplied by a mod/con boiler.

When I look at any replacement hydronic boiler project, my tenet is always to assume the existing system is installed improperly. I like to pretend I am a famous detective, such as Sherlock Holmes, and my job is to uncover the hidden mistakes.

The 1970s bestseller “Zen and the Art of Motorcycle Maintenance: An Inquiry into Values” used the author’s experience repairing a motorcycle on a cross-country trip to explore competing approaches to life.

Unlike their traditional storage tank-based counterparts, tankless water heaters are capable of providing a constant flow of hot water on-demand. The concept is relatively simple: The heaters function by coupling a modulating burner with a high-efficiency heat exchanger.

A contractor is asked to design a hydronic heating system for a modest, super-insulated house in a cold Northern climate. The home’s design load is only 18,000 Btu/h. The owners are planning to install a 12 KW solar photovoltaic electrical system.

An installer was asked to include an air-to-water heat pump into a low-temperature radiant panel heating system supplied by a mod/con boiler.