Tri-County A/C & Heating

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About Tri-County A/C & Heating
Tri-County A/C & Heating serves Seguin and the surrounding Texas communities as a residential HVAC contractor. With a 4.9-star rating accumulated across 403 customer reviews, the company has built a substantial service record in Guadalupe County. The business operates from a physical location in Seguin and maintains weekday and weekend availability, including Saturday and Sunday hours, to accommodate homeowner schedules. Phone contact is available through (830) 303-8624 for service inquiries.
What distinguishes Tri-County from other regional contractors emerges through their customer interactions rather than marketing claims. Reviewers describe receiving multiple equipment options when facing system replacements, and the company has assisted customers in securing utility company rebates. The technical team handles complete system replacements, including installation of WiFi-enabled thermostats that integrate with smartphone and voice-assistant platforms for remote monitoring. Preventative maintenance services are offered to maintain system efficiency.
Customer stories from the reviews reveal specific service experiences worth noting. One reviewer described a complete system replacement completed within a single day, with the team returning to address an expansion valve issue at no additional charge. Another customer mentioned the technician arrived on time and completed service efficiently after 26 years of their HVAC units requiring replacement. A reviewer with over a decade of relationship with the company described the team as dependable, reasonable, and friendly across multiple service encounters.
What Customers Say
403 reviews yielding a 4.9-star average; 5 of 5 sampled reviewers award 5 stars and describe the company using terms like fast, professional, dependable, and competitive.
Working Hours
| Sunday | 8:30 AM–5 PM |
| MondayToday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | 8 AM–5 PM |
Services
AC & Heating System Replacement
Complete HVAC system replacement with new equipment installation, including old unit removal and setup.
Preventative Maintenance
Scheduled maintenance services to keep existing systems running efficiently and prevent failures.
AC Repair & Diagnostics
Diagnosis and repair of cooling system issues, including same-day service for urgent situations.
Heating Repair & Service
furnace and heating system repair, including natural gas system servicing.
WiFi Thermostat Installation
Installation of smart thermostats controllable via smartphone apps and integrated with voice assistants.
System Maintenance Agreements
Ongoing service agreements for regular system care, with one reviewer describing a 15-year maintenance relationship.