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Claim Your Free PageHammond Heating & AC Repair Pasadena has earned a flawless 5.0-star average from 24 reviews, reflecting consistent delivery of reliable heating and cooling work across South Pasadena and surrounding Los Angeles County communities. Operating around the clock, seven days a week, the company responds to breakdowns whenever they occur, whether that means a midnight furnace failure in January or a sweltering afternoon AC loss in August. Anthony stands out as a trusted technician whose tenure with loyal clients stretches across decades, earning repeat business through transparent recommendations and skilled repairs that prioritize function over expense.
With no website on file, details about brand partnerships or specialized certifications cannot be confirmed, but reviewer accounts consistently describe thorough diagnostic work and precise component replacements rather than blanket part sales. The company's 24-hour availability functions as its clearest operational differentiator, ensuring same-day response for emergencies without distinguishing between weekday and weekend callouts. Customers repeatedly note that technicians identify root causes accurately, addressing underlying failures rather than simply swapping parts.
Among the review narratives, Anthony appears in multiple accounts as the trusted named technician, with Melissa Hall describing 25 years of honest service where he recommended only necessary repairs and never pushed superfluous parts. Alaric Keller's heat pump presented a reversing valve that refused to switch modes, leaving the home without cooling until a technician diagnosed the stuck component and performed a targeted replacement that restored immediate mode transitions. Madelyn Tate's collapsed air filter restricted intake airflow throughout her home until a technician sized and installed the correct replacement, and Cullen Turner received a fully recalibrated furnace after a fan limit switch caused premature shutdowns. These specific scenarios illustrate how the company approaches each call with diagnostic precision.
reviewHighlights: Of 24 reviews, every single rating lands at 5 stars, making Hammond Heating & AC Repair Pasadena one of the most consistently rated contractors in the region. Anthony emerges as the standout named technician, earning recognition from longtime clients for honest assessments and refusal to recommend unnecessary work. Across scenarios ranging from a thermostat firmware glitch to a heat pump reversing valve failure, reviewers cite accurate diagnostics and lasting fixes rather than quick patches.
Of 24 reviews, every single rating lands at five stars, making Hammond Heating & AC Repair Pasadena one of the most consistently rated contractors in the region. Anthony emerges as the standout named technician, earning recognition from longtime clients for honest assessments and refusal to recommend unnecessary work. Across scenarios ranging from a thermostat firmware glitch to a heat pump reversing valve failure, reviewers cite accurate diagnostics and lasting fixes rather than quick patches.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnosing and fixing ignition failures, limit switches, heat exchangers, and airflow restrictions in gas and electric furnaces.
Repairing reversing valves, refrigerant issues, defrost cycles, and mode-switching failures in conventional and ductless systems.
Restoring airflow, fixing compressors, resolving refrigerant losses, and replacing components that cause warm-air output.
Installing smart thermostats, updating outdated firmware, and calibrating settings for accurate temperature control.
Correcting collapsed or incorrectly sized filters and clearing blockages that reduce circulation and heating efficiency.
Responding to heating and cooling failures around the clock, including weekends and holidays, without overtime surcharges.