Johnny Joe Montemayor

Johnny Joe Montemayor runs Johnny's Residential Air Conditioning as a locally operated cooling systems contractor based in Brownsville, Texas. The company focuses on HVAC work for homeowners across the Rio Grande Valley and handles residential air conditioning repair, new system installation, and routine maintenance. Weekday hours run from 9 AM to 6 PM with Saturday availability, though the business closes on Sundays. Brownsville's extreme summer heat makes reliable cooling essential, and the crew prioritizes service calls to keep indoor conditions safe before temperatures climb too high. The contractor stands out for diagnostic skill that locates problems other companies miss during the same visit.

The team carries out coil cleaning and refrigerant diagnostics on residential units, often reaching attic-mounted systems that require extra effort to access. Technicians respond to repair needs that involve identifying hidden faults and completing fixes on the spot when possible. Routine maintenance visits help prevent breakdowns during peak heat, while new installations replace older equipment with updated systems suited to local conditions. Some jobs reveal additional repair needs after the initial assessment, which can affect final costs beyond the original quote. Homeowners in the area count on this approach for keeping units running through long, hot seasons.

Customers consistently note strong diagnostic results and timely arrivals that address urgent cooling failures before homes become unsafe. Reviews highlight clear explanations during service and professional handling of complex repairs, though price transparency can shift on jobs with unexpected attic access issues. Speed and quality receive the most mentions for resolving problems that prior contractors could not fix. DIRT Score 3.98 from 22 reviews on Finds.

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“I had a great experience working with Montemayor Engineering Company. From the start, they were easy to communicate with and took the time to answer all my questions about the property line survey. They explained everything in a way that was simple to understand, and the whole process went smoothly. The team was friendly, professional, and efficient. Definitely recommend them if you need a land survey done.”

“Montemayor Engineering Company provided a property line survey with outstanding accuracy and precision. The team was incredibly attentive, knowledgeable and showed true integrity throughout the whole process. They explained the findings clearly and made everything feel effortless. If happiness had a location on Google Maps, it would be here. I would definitely recommend this land surveying service to anyone looking for affordable surveyors.”

“I was extremely impressed with Montemayor Engineering Company. The team delivered a precise property line survey with outstanding accuracy and professionalism. Top 3 things I loved: 1) Accurate and precise measurements, 2) Knowledgeable and attentive staff who explained everything clearly, 3) Integrity and professionalism that gave me total confidence in the results.”

“Very reliable and professional team. They scheduled the job quickly, arrived on time, and completed the survey exactly as promised. The results were detailed and delivered promptly. I appreciate their clear communication and professionalism.”

“Courteous professional team with over 40 years of experience, and attentive to customer service.”