Is this your business?
Claim your listing to verify your info and earn a verified badge.
Claim This BusinessThorough AC has operated in the San Diego area for more than 15 years, holding a reputation that has earned the company a perfect 5-star rating from 18 reviews. Serving homeowners and businesses across Escondido and the broader San Diego metro, the contractor handles everything from routine maintenance to full system replacements and commercial HVAC projects. Customer feedback consistently points to honest diagnostics and transparent advice, with no pressure to buy equipment or services that are not needed.
What distinguishes Thorough AC in a crowded contractor market is the consistency of its communication. Multiple reviewers note that Eddie took time to walk through competing bids with a customer who had collected seven quotes, explaining what to watch for in other proposals rather than simply discounting the competition. The company also emphasizes preventive maintenance programs designed to extend system lifespan and improve energy efficiency, offering homeowners a practical path to lower monthly utility costs alongside reliable heating and cooling.
Reviewers repeatedly name Eddie as the technician who made the difference. When one homeowner discovered a mold-contaminated HVAC unit and gathered seven bids, Eddie answered every question and provided guidance even as the customer leaned toward a national competitor. Another reviewer called Eddie during a heat wave and he arrived in time to restore comfort for the family, including pets. A third customer had been told by another company that a full replacement was necessary; Eddie diagnosed a single failing component, replaced it the same day, and saved thousands of dollars. Across every review, the pattern is the same: accurate diagnosis, no upselling, and work completed on time.
Eddie is named in every review as the primary or sole technician, reinforcing the value of a small-team structure. Five of 18 reviews specifically mention emergency same-day arrivals or rapid response during extreme heat. No negative reviews are present in the dataset, and positive reviews consistently cite accurate diagnosis and cost savings rather than speed or pricing.
Full-system installs and replacements for residential and light commercial properties, including new ductwork and heat pumps.
Accurate fault isolation and same-day part replacement, helping customers avoid unnecessary full-unit replacements.
Preventive maintenance programs with annual inspections and tune-ups designed to extend system lifespan and improve efficiency.
Installation and maintenance of ductless mini-split systems offering zone cooling and heating with enhanced energy efficiency.
System design, installation, repair, and ongoing maintenance for businesses and commercial properties across San Diego County.
Assessments that recommend upgrades such as programmable thermostats, smart controls, and insulation improvements to lower energy bills.