New to the area and heard about them through the Shaun Newman Podcast. Guardian spec'd and installed a large heat recovery ventilation unit in a very tight mechanical room in a house over 100 years old. The cost was a bit higher than other contractors but the unit is top shelf (it's why I chose them) and the contractors were FANTASTIC. They actually caused more work for themselves (no additional cost to me) talking me into a more difficult but more suitable inlet/exh location. Very tidy install!
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