Whether you need to install a wireless thermostat or an entirely new HVAC system, you can rely on the team atR R Mechanical.Located in Philadelphia, PA, these Mitsubishi Diamond Contractors serve both commercial and residential clients throughout Philadelphia, Montgomery, Bucks, and Delaware counties.The technicians at R R Mechanical are EPA-certified professionals, and they are proud to provide installation and maintenance services on your ductless heating or air conditioning system. Whether your cooling and heating system need... read full review »