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Claim This BusinessReliable Air has built a strong presence in San Marcos and the surrounding Texas Hill Country since 2019, earning a 4.9-star rating across 136 verified reviews. The company holds state licensing and operates from a locally staffed office, providing residential HVAC and plumbing services to homeowners across 18 communities including New Braunfels, Seguin, Kyle, and Wimberley. Their service fleet responds to calls seven days a week from 8 AM to 10 PM, covering both routine maintenance and emergency breakdowns for systems that fail at inconvenient moments. Homeowners in this region , where summer temperatures routinely exceed 100 F and winter cold snaps create sudden heating demands , rely on contractors who can arrive quickly and diagnose accurately the first time.
What distinguishes Reliable Air from neighboring HVAC companies is their dual commitment to indoor air quality and comprehensive home systems. The company installs and services whole-house humidifiers, dehumidifiers, and UV light air purification alongside traditional heating and cooling equipment. They also handle plumbing services including tankless water heater installation, drain cleaning, and backflow preventer replacement , a practical combination for Texas homeowners dealing with hard water and aging municipal plumbing. Financing options allow homeowners to replace failing systems without facing a lump-sum payment, and their service technicians carry manufacturer certifications for major equipment brands commonly installed in Central Texas homes.
Customer reviews consistently highlight specific technicians who went beyond standard service calls. Alex, who appears in multiple five-star reviews, diagnosed an intermittent cooling failure that another contractor had missed, explaining the likely cause to homeowners and proposing a targeted fix. For an elderly customer facing a system failure during an unusually warm stretch, Reliable Air sent Alex the same day, presented repair and replacement options, and allowed the homeowner to make an informed decision. Jordon performed scheduled maintenance with punctuality and clear communication, while Jeff resolved a shower plumbing issue in ten minutes. These named experiences illustrate why Reliable Air maintains near-perfect review scores.
Every reviewer awarded 5 stars, with multiple customers specifically praising same-day response times, thorough system inspections, and clear explanations of problems and solutions. Technicians Alex, Jordon, and Jeff receive named endorsements across seven reviews.
| Sunday | 8 AM–10 PM |
| Monday | 8 AM–10 PM |
| Tuesday | 8 AM–10 PM |
| Wednesday | 8 AM–10 PM |
| ThursdayToday | 8 AM–10 PM |
| Friday | 8 AM–10 PM |
| Saturday | 8 AM–10 PM |
Full air conditioning system installation and replacement for existing homes, including ductwork assessment.
Diagnostic repair, duct repairs, and tune-up services covering all major residential AC brands.
Furnace installation, repair, and maintenance plus heat pump installation and repair for year-round comfort.
Ductless AC installation and tune-ups for homes without existing ductwork or room-by-room zoning.
Pipe leak repairs, drain cleaning, tankless and tank water heater service, water softener installation, shower and bathtub repairs.
Whole-house humidifiers, dehumidifiers, UV light installation, air duct sealing, and duct cleaning services.