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Claim This BusinessAAA CALVERT Electrical, Heating and Air Conditioning operates as a full-scope climate and electrical contractor serving Signal Hill, California with a 4.9-star average drawn from 313 client reviews. The company has maintained continuous operation for at least a decade, with long-term customers like Michael Stancil attesting to a ten-year relationship requiring consistent reliability. Business hours run Monday through Friday from 8 AM to 5 PM, with Saturday and Sunday closed, reflecting a traditional contractor schedule focused on scheduled service rather than round-the-clock emergency availability.
Without an accessible website or documented brand partnerships, this contractor differentiates itself through transparent pricing practices and technician longevity. Reviewers consistently cite honesty and fair pricing with no upselling, a commitment that saves homeowners from unnecessary repairs. The ability to handle complete unit replacements alongside routine maintenance suggests established supplier relationships, though specific manufacturer partnerships cannot be verified. This approach prioritizes customer education, with technicians explaining options and price points before proceeding with work.
Customers repeatedly name technicians Jason and Tom, with specific scenarios demonstrating capability. Jason diagnosed a heater issue and completed the repair in a single visit, saving the homeowner thousands. He also worked after hours to restore a thermostat that had failed, determining the unit itself was faulty rather than assuming wiring damage from rodents. Mary Steiner's review describes a complex roof-mounted HVAC replacement requiring crane access between mature trees, handled by a skilled team who introduced themselves and completed the installation. These named encounters suggest a stable, experienced technician roster rather than high turnover.
All five detailed reviews award 5 stars, with two technicians named across multiple accounts. Four reviewers mention honesty, fair pricing, or the absence of upselling as distinguishing traits. One negative observation about pricing appears in the broader review set, while positive reviews emphasize diagnostic skill and problem resolution.
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Heating system troubleshooting and repair, including diagnosis and single-visit fixes that save thousands in replacement costs.
Thermostat diagnostics and installation, with options at multiple price points and after-hours availability for urgent needs.
Complete heating and cooling unit replacement, including roof-mounted systems requiring crane access.
Regular HVAC maintenance and tune-ups to extend system lifespan and prevent emergency breakdowns.
Electrical receptacle installation for Level 2 electric vehicle charging, including subpanel preparation.
Supporting electrical work related to HVAC systems, including thermostat wiring and circuit modifications.