John & Son HVAC Service
Is this your business?
Verify your details, earn a verified badge, and start getting customer inquiries. Takes about a minute by phone.
Claim This Business FreeClaiming is free. Featured placement is optional, $99/mo.
About John & Son HVAC Service
John & Son HVAC Service has earned a perfect 5.0-star rating from 57 reviews in Lake Forest, California. With over two decades of hands-on experience, this family-run operation handles everything from furnace diagnosis to central air installation for homeowners across Orange County and Los Angeles. Their weekday and weekend hours run from 9 AM through evening, making same-day service reachable for busy households managing work schedules.
What distinguishes John & Son HVAC Service is a combination of financing availability and breadth of capability that not every local contractor can match. Beyond standard repair and replacement work, their crew handles window AC units, refrigerant recharges, portable AC troubleshooting, gas furnace diagnostics, and electric heater maintenance. This range means a homeowner rarely gets handed off to a different subcontractor mid-project. Their financing program also removes a common barrier for families facing unexpected system failure.
Reviewers repeatedly highlight specific technicians and scenarios worth noting. Joey Ignacio called out their ability to dispatch a specialist the very next day when his furnace stopped blowing warm air, calling the work swift and effective. Royroy Tiburcio described a refrigerant leak his AC had been running with for some time; his technician located it, sealed it, and restored cooling performance to peak condition. Zhye Kristtnae stressed for months over a broken air conditioner before finally calling John & Son, praising their friendly demeanor and smooth repair process.
What Customers Say
All 57 reviews award 5 stars, with zero negative ratings recorded. Customers consistently name individual technicians, citing thorough inspections, respectful on-site conduct, and post-work cleanup. Several reviews explicitly mention same-day or next-day dispatch, while others credit the company with diagnosing problems other contractors missed.
Working Hours
| Sunday | 9 AM–9 PM |
| MondayToday | 9 AM–9 PM |
| Tuesday | 9 AM–9 PM |
| Wednesday | 9 AM–9 PM |
| Thursday | 9 AM–9 PM |
| Friday | 9 AM–9 PM |
| Saturday | 9 AM–10 PM |
Services
Furnace Repair and Diagnosis
Technicians troubleshoot gas and electric furnaces, addressing issues such as a unit not blowing warm air or failing to ignite properly.
Heating System Repair
Full inspection and restoration of central heating systems to ensure even warmth reaches every room in the house.
Air Conditioning Installation and Replacement
Installation of new central cooling units and replacement of older systems using properly equipped, qualified technicians.
AC Repair and Refrigerant Recharge
Diagnostics and repair for malfunctioning air conditioners, including locating and sealing refrigerant leaks.
Thermostat Repair and Calibration
Inspection, repair, and recalibration of thermostats to restore accurate temperature control throughout the home.
Window and Portable AC Services
Replacement and troubleshooting support for window-mounted units and portable air conditioners.
Routine AC Maintenance
Regular check-ups and tune-ups designed to catch minor issues before they escalate into major system failures.