The Best HVAC in San Diego, TX

Compare the highest-rated hvac professionals in San Diego, Texas. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

South Texas Climate Control

4.8
(127 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency system installations and complex repairs for the harsh South Texas climate. They are known for their expertise in preventing system failures during extreme heat waves and their 24/7 emergency response team.

101 Energy Efficiency Blvd, San Diego, TX 78384

Specialties & Features

24/7 Emergency Service
High-Efficiency HVAC Installation
Complex System Diagnostics
Ductwork Design & Sealing

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Duval County Heating & Air

4.6
(94 reviews)
Verified

A locally owned and operated HVAC company with deep roots in the community. They excel in maintenance plans designed to extend the life of AC units combating constant humidity and heat, as well as swift furnace repair for the occasional cold snap.

450 Lott Ave, San Diego, TX 78384

Specialties & Features

Preventative Maintenance Plans
Furnace Repair & Installation
HVAC System Tune-ups
Local Climate Expertise

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Brissa Efficient Air Solutions

4.5
(78 reviews)
Verified

Specialists in modern, energy-efficient HVAC solutions and smart thermostat integration. They focus on helping homeowners and businesses in San Diego reduce their cooling costs through advanced system upgrades, ductless mini-splits, and expert sealing services.

789 Highway 44 East, San Diego, TX 78384

Specialties & Features

Energy Efficiency Audits & Upgrades
Ductless Mini-Split Systems
Smart Thermostat Integration
Commercial HVAC Services

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in San Diego

The HVAC market in San Diego, Texas (Duval County) is heavily driven by the hot, humid subtropical climate. Long, intense summers with high temperatures and humidity place extreme demand on air conditioning systems, making reliable performance and frequent maintenance critical. Winters are mild but can have cold snaps, necessitating functional heating systems. The local market consists of a mix of long-standing family-owned providers and newer companies focusing on energy efficiency. Demand peaks during the summer months, with emergency repair services being a key differentiator for top contractors. The primary needs are AC repair, system replacements for aging units struggling with the heat, and maintenance plans to prevent costly breakdowns.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with San Diego regulations and climate

Frequently Asked Questions About HVAC in San Diego

Get answers to common questions about hvac services in San Diego, Texas.

1How much should I expect to pay for a new HVAC system installation in San Diego, TX?

For a standard central air and heat system in a typical San Diego home, you can expect a range of $5,000 to $12,000, depending on the home's size, system efficiency (SEER rating), and complexity of installation. The hot, humid South Texas climate means investing in a properly sized, high-efficiency unit (16+ SEER) is crucial for managing long cooling seasons and can lead to significant long-term savings on energy bills despite the higher upfront cost.

2When is the best time to schedule HVAC maintenance or replacement in San Diego?

The optimal time is during the mild spring (March-April) or fall (October-November) seasons. Scheduling service during these shoulder months ensures your system is fully prepared for the intense summer heat that begins in May, and you'll avoid the peak demand periods when HVAC companies are busiest with emergency breakdown calls, leading to better availability and potentially lower off-season promotional pricing.

3Are there any local regulations or rebates in San Diego, TX, for HVAC upgrades?

While the City of San Diego may not have specific local ordinances beyond standard Texas state codes, homeowners should always use a licensed Texas Air Conditioning and Refrigeration Contractor. Importantly, check for available rebates from your local utility provider, such as AEP Texas, and federal tax credits for installing high-efficiency ENERGY STAR® certified systems, which can substantially offset the cost of an upgrade suited for our climate.

4What should I look for when choosing an HVAC contractor in the San Diego area?

Prioritize contractors who are licensed, insured, and have strong local experience, as they understand the specific demands of the South Texas heat and common soil conditions that can affect system placement. Look for providers who perform detailed load calculations (Manual J) to ensure proper sizing, offer clear written estimates, and check their reputation through local references or reviews from other Duval County residents.

5My AC runs constantly in the summer but doesn't cool well. What's a common local cause?

In San Diego's dusty and humid environment, the most frequent causes are a dirty or clogged air filter, blocked condenser unit (the outdoor component), or low refrigerant levels due to leaks. The high amount of airborne dust and pollen can quickly coat coils and filters, drastically reducing efficiency. Regular cleaning of the outdoor unit and monthly filter changes during peak season are essential first steps before calling for service.