Heating & Air Conditioning in St. Louis

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About Heating & Air Conditioning in St. Louis
Heating & Air Conditioning in St. Louis holds a 3.4-star average across 15 reviews, reflecting a mix of deeply satisfied customers and serious complaints that merit careful reading. Technicians John F and another team member identified by reviewers have served the St. Louis metro area with heating and cooling work for more than 25 years, according to at least one long-term customer account. The company operates Monday through Friday from 7 AM to 8 PM and offers Saturday and Sunday appointments, a schedule that accommodates residents needing weekend service calls across St. Louis neighborhoods.
Reviewers who left 5-star ratings consistently highlight a single-threaded experience with this contractor: fast arrivals, accurate problem identification, and a deliberate policy of not recommending work the customer does not need. One technician named John F is called out as honest, knowledgeable, and efficient by multiple clients, arriving within 30 minutes on a Friday and completing furnace diagnostics without proposing unnecessary add-ons. These accounts suggest a team that prizes precision over volume, a trait valued by homeowners who have been burned by high-pressure sales tactics in the past.
The company's reputation rests heavily on individual technician relationships. John F earned specific praise for arriving within 30 minutes on a Friday and diagnosing a furnace issue without recommending extra work. Douglas Fuller, a customer for over 25 years, described a technician as a perfectionist who refused to leave until the overhaul was completed correctly. Negative reviewers, however, described unit failures, warranty disputes, and communication breakdowns that prospective clients should weigh carefully when comparing bids.
What Customers Say
Two of six reviewers report unit failures, warranty disputes, and unresponsive service. All four 5-star reviews name a technician, John F or another team member, by role or first name, noting prompt arrival and honest recommendations. Negative reviewers cite cash-only deals and blocked call-center access.
Working Hours
| SundayToday | 9 AM–5 PM |
| Monday | 7 AM–8 PM |
| Tuesday | 7 AM–8 PM |
| Wednesday | 7 AM–8 PM |
| Thursday | 7 AM–8 PM |
| Friday | 7 AM–8 PM |
| Saturday | 9 AM–5 PM |
Services
Furnace Installation & Replacement
Full-unit furnace installations with an accompanying warranty covering parts and labor, per review accounts.
Furnace Repair & Maintenance
Diagnoses and repairs for furnace failures, including wiring corrections and circuit-board replacements.
Air Conditioning Service
Cooling system tune-ups, refrigerant handling, and emergency AC repair during St. Louis summer heat.
System Overhaul
Major HVAC overhauls for aging units requiring comprehensive reworking of mechanical and electrical systems.
Indoor Air Quality Assessment
Evaluations addressing air quality concerns, including humidity control and filtration improvements for St. Louis homes.
Water Heater Service
Water heater repair and replacement alongside HVAC work, performed by the same technician during a single visit.