Mullis Air Conditioning & Heating | Licensed HVAC Services in Houston, TX

10822 Warwana Rd, Houston, TX 77043

(713) 266-5464

Main Services

  • HVAC installation or replacement
  • HVAC system repair

Local Business Overview

Mullis Air Conditioning & Heating is a trusted family-owned and operated HVAC company serving Houston since 1986. Founded by Greg and Brian Mullis, the business is built on decades of hands-on experience and a commitment to personal service. When you call, you'll speak directly with a member of the Mullis team, including the owners or their dedicated receptionist Amy, ensuring your needs are understood and prioritized from the first point of contact. The majority of their business comes from repeat customers and word-of-mouth referrals, a testament to the reliable, straightforward work and long-term relationships they've built over 30 years. This isn't a large corporate operation; it's a local business where the people you talk to are the same ones who show up to do the job, bringing a neighborly, expert approach to every air conditioning and heating challenge.

Common Questions

What kind of personal service can I expect from Mullis Air?

As a family-owned and operated business, we provide direct service. When you call, you'll likely speak with owner Greg, his brother Brian, or our long-time receptionist Amy. The owner or a family member personally handles your service call, ensuring clear communication and accountability from start to finish. This hands-on approach is why most of our business comes from satisfied repeat customers.

My AC stopped working during a Houston heatwave. How quickly can you help?

We understand the urgency of an AC failure in our extreme heat. We prioritize emergency calls, especially during peak summer months, to get your cooling restored as quickly as possible. With over 30 years of experience in Houston, our technicians are experts at diagnosing and repairing common heat-stress failures efficiently to protect your home's comfort and safety.

Do you help with smart thermostat setup and connectivity issues?

Yes, we frequently assist Houston homeowners with smart thermostat installation and troubleshooting. Connectivity problems are common due to our specific home Wi-Fi environments and power surges. Our technicians can properly install, configure, and sync your new or existing smart thermostat with your HVAC system to ensure it operates reliably, helping you manage energy use in our climate.

Business Location & Hours



Mon:9:00 AM - 4:00 PM
Tue:9:00 AM - 4:00 PM
Wed:9:00 AM - 4:00 PM
Thu:9:00 AM - 4:00 PM
Fri:9:00 AM - 4:00 PM
Sat:Closed
Sun:Closed


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