The rooftop HVAC system is qualified to international standard EN15085 ... with extra safety features for the extreme maximum ambient of 60°C. The touch screen controller activates subsystems as ...

According to those residents and an outside contractor, some rooftop heating, ventilation and air conditioning systems at Seahaus are inappropriately sized for the wiring there. One of the units ...

MARBLEHEAD, MA — The cost to fix the leaky Marblehead High School roof will more than double under a proposal to replace the ...