Houston HVAC Controls & Electrical Components

Universal AC Supply stocks a comprehensive selection of HVAC controls and electrical components for licensed contractors throughout Houston. From programmable thermostats to contactors, relays, and transformers, we carry the parts you need to complete installations and repairs efficiently.

Our inventory includes trusted brands like Pro-1 IAQ, Robertshaw, Braeburn Systems, Cielo, and Ambro Controls—components designed for reliability in residential and commercial HVAC applications.

Controls & Electrical Inventory

• Thermostats

  Programmable, smart, and manual controls for all system types

• Contactors & Relays

  Single and multi-pole contactors for AC units and heat pumps

• Transformers

  Step-down transformers for control circuits, 24V and 40VA options

• Capacitors

  Run and start capacitors in all standard ratings

• Switches & Safety Controls

  Pressure switches, limit switches, and disconnect boxes

• Wire & Connectors

  Thermostat wire, splice kits, and electrical connectors

Thermostat Brands We Carry

Pro-1 IAQ Thermostats – Affordable programmable and smart thermostats with WiFi connectivity and intuitive interfaces for residential installations.

Robertshaw Thermostats – Reliable mechanical and digital controls known for accuracy and durability in demanding environments.

Braeburn Systems – Builder-grade and premium thermostats offering excellent value and contractor-friendly installation features.

Cielo Thermostats – Smart controls with advanced features including remote access, scheduling, and energy monitoring for modern HVAC systems.

Why Stock Controls & Electrical?

Failed controls and electrical components cause unexpected service calls and project delays. Keep commonly needed parts on your truck so you can complete repairs in one visit. We stock the contactors, capacitors, and thermostats Houston contractors replace most often—avoiding the frustration of hunting for parts across town when you're on a job.

Contractor Pricing Available

Licensed HVAC contractors receive wholesale pricing on all controls and electrical components. Whether you need a single thermostat or want to stock your warehouse with commonly replaced parts, we offer competitive rates that help you stay profitable.

Volume discounts available for contractors managing new construction projects or building service inventory. Call for quotes on bulk orders.

Need HVAC controls or electrical components? Visit Universal AC Supply for same-day pickup on thermostats, contactors, transformers, and more. Call 713-433-7305 or contact us today.