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Claim This BusinessRMIII AC & Heating LLC has served the Phoenix metro area as a licensed residential and commercial HVAC contractor since 2015. Based in Phoenix, the company operates across the East Valley including Gilbert, Chandler, and Mesa, delivering installation, repair, and maintenance services for forced air systems, heat pumps, and ductwork. The company holds a state contractor license and maintains an unblemished 5.0-star rating from verified customer feedback, positioning it among the highest-rated independent HVAC providers in the region.
Raul Mori, the founder and lead technician, built RMIII AC & Heating on principles of transparent pricing and technical precision. The company specializes in diagnosing complex system failures that other contractors misdiagnose, particularly in older residential properties and commercial buildings with aging infrastructure. Unlike franchise operations that prioritize upselling equipment, RMIII focuses on repair solutions that extend system lifespan whenever replacement is not yet necessary.
Adrian Zarate, a Phoenix dealership operator, experienced a critical failure during the extreme June heat wave while moving into a new commercial building. Raul Mori and his team arrived the same day, diagnosed failed condenser units, and restored cooling before inventory and employees suffered heat-related losses. Zarate's review specifically credits the team's punctual response, technical knowledge, and fair pricing as distinguishing factors from competitors whose estimates exceeded the final RMIII invoice.
One verified review awards a perfect 5-star rating, with the reviewer specifically praising punctual arrival during an extreme heat emergency, diagnostic skill, and fair pricing compared to competitor estimates.
Diagnosing refrigerant leaks, compressor failures, and capacitor replacements; seasonal tune-ups ensuring optimal cooling performance in Phoenix heat.
Furnace ignition repair, heat exchanger inspection, and winter heating tune-ups for Phoenix's occasional cold spells.
Installing and servicing energy-efficient heat pump systems suited to Phoenix's variable climate between summer heat and winter cool.
Identifying air leaks, improper sizing, and insulation issues reducing system efficiency in Phoenix-area homes.
Serving Phoenix dealership facilities and small commercial properties with refrigeration and forced-air system maintenance.