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Claim This BusinessAlamo Heating & Air Conditioning has been serving San Antonio and surrounding communities for over three decades as a Carrier dealer, offering residential and light commercial HVAC solutions. With 23 customer reviews on record reflecting a 3.3-star rating, the company maintains 24/7 emergency availability and operates Monday through Friday from 8AM to 5PM for standard service. Their license number and year of founding are not publicly listed, but the business has installed hundreds of systems throughout the region, earning a reputation for completing jobs correctly on the first attempt.
What distinguishes Alamo Heating is their commitment to honest assessment over upselling, as demonstrated in customer reviews praising their refusal to recommend unnecessary replacements. As a Carrier dealer, they provide the full line of indoor comfort equipment including air conditioners, heat pumps, gas furnaces, ductless split systems, and indoor air quality products such as humidifiers, UV lights, and advanced air cleaners. The company offers service agreements designed to prevent emergencies through regular system maintenance, along with financing options for qualified customers purchasing new equipment.
Customer experiences reveal starkly different outcomes. Chris Premont praised Alamo AC for diagnosing a cracked drain pan that other contractors claimed required a full air handler replacement, saving thousands in unnecessary costs. Technician Mark was noted for taking extensive time to ensure customers received appropriately sized systems with transparent communication. However, one customer reported ongoing problems spanning five years with a new installation, claiming the wrong unit size was installed and the company failed to make corrections despite multiple service calls.
Across 23 reviews, sentiment divides sharply: one detailed account describes five years of persistent problems with an allegedly undersized unit, while another praises the company for avoiding a $5,000+ upsell by repairing only the drain pan instead of replacing the entire air handler. Positive reviewers specifically name technicians Mark, Troy, and Alex for honest assessments and careful installation work.
| 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 |
Diagnostic services, tune-ups, and emergency repairs for all AC brands with 24/7 availability.
Furnace and heat pump repair, installation, and annual maintenance to ensure winter reliability.
Complete HVAC system installation and replacement using Carrier products with professional load calculations.
Installation of humidifiers, UV lights, air cleaners, and ventilation systems for healthier home environments.
Installation of ductless split systems for zone-specific heating and cooling in older homes or additions.
Preventative maintenance contracts designed to extend equipment life and reduce utility costs.
Flexible payment plans available for qualified customers purchasing new HVAC equipment.