Heating Repair in San Marcos, TX. Free, no-pressure estimates.
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When the temperature drops and your furnace stops producing heat, you are facing more than just discomfort. A failed heating system can freeze pipes and make your home unsafe. You call because the house is cold, the system is not responding, or it is blowing air that never warms up. This is an urgent situation that needs a prompt visit from a technician who understands gas and electric heating systems.
Our crew arrives with a full set of diagnostic tools: multimeters, manometers for gas pressure, combustion analyzers, and a selection of ignitors, flame sensors, thermocouples, capacitors, and blower motors. We start by checking power and gas supply, then test the thermostat, safety switches, and sequence of operation. We clean the flame sensor, inspect the heat exchanger for cracks, and verify venting before we replace any part.
The time and cost of a heating repair depend on the system type, its age, and how hard it is to reach the failed component. A gas furnace in a tight attic or crawlspace takes longer to access than a unit in a basement. Older systems may have corroded wiring or seized blower wheels that add labor. Weather conditions like freezing rain can slow down outdoor work on heat pumps or boiler exhausts.
On the day of the repair, we lay down drop cloths to protect flooring and move furniture only as needed. We work cleanly, vacuum dust from the burner compartment, and test the system through a full cycle. After we finish, we explain what was wrong, show you the part we replaced, and walk you through how to set the thermostat. You do not need to do anything beforehand except clear a path to the equipment.
A dirty flame sensor is a common cause of a furnace that lights then shuts off. We sand it with fine grit to restore reliable operation.
A cracked heat exchanger can leak carbon monoxide into your home. We inspect every seam with a mirror and a combustion analyzer.
We check thermostat, power, gas supply, and safety switches. Then we run the system through its cycle to identify the exact failure point.
We shut off gas and power, lock out the disconnect, and confirm zero voltage before touching any electrical components.
We remove the faulty part, install the correct replacement, and reconnect all wiring and gas lines. We test for leaks and proper operation.
We run the system through a full heat cycle, check temperature rise, measure gas pressure, and confirm safety controls function before leaving.
A cracked heat exchanger can leak carbon monoxide into your living space. We inspect every unit with a combustion analyzer to catch hidden failures before they become dangerous.
Throwing parts at a heating problem wastes time and money. We test each component in sequence to find the real cause, so you only pay for what actually fixes the system.
Heating repairs create dust and debris. We lay drop cloths, vacuum the burner compartment, and leave the area cleaner than we found it so you can use your heat right away.
Heating InstallationUpgrading your heating system improves comfort and can lower your energy bills. We help you choose between a furnace, heat pump, or boiler based on your home and your needs. Our installation is thorough, from the permit to the final test.View detailsCall us or fill out the form below and we will get back to you quickly. We offer free estimates on all new installations and major repairs.