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Hvac Repair in Houston, TX

From failed control boards and cracked heat exchangers to refrigerant leaks and compressor faults, our certified technicians trace every symptom to the root cause and fix it right the first time.

Licensed & Insured
Same-Day Service
NATE Certified Techs
Upfront Pricing
Warranty on All Repairs
Hvac Repair in Houston Houston, TX

Precision Diagnostics. Durable Repairs. Every Time.

When an HVAC system starts misbehaving, the temptation is to replace the most obvious part and hope for the best. That approach wastes money and rarely addresses the true problem. At All Year HVAC, our field technicians in Houston approach every Hvac Repair call the same way a skilled detective approaches a case: gather evidence, eliminate possibilities, and arrive at the one conclusion the facts support. We've been doing this work across Houston, TX long enough to know that an intermittent no-heat complaint is just as likely to be a failing pressure switch or a cracked inducer housing as it is a bad igniter. Rushing past that analysis costs homeowners far more in the long run.

Our diagnostic process begins at the thermostat and works outward through every electrical and mechanical component in the system. We use digital manifold gauges, combustion analyzers, refrigerant identifiers, and control board test sets. When a technician tells you the heat exchanger has a visible stress fracture or the reversing valve is sticking on defrost, they're not guessing. They've done the airflow measurement, the static pressure reading, and the temperature differential check to back up that finding. That level of rigor is what separates a repair that lasts five years from one that fails again before the first cold snap.

We specialize in the full range of HVAC system types -- gas furnaces, heat pumps, split systems, packaged rooftop units, and dual-fuel systems. Our technicians carry an extensive inventory of OEM and high-quality replacement parts so that the parts required for the most common failures are almost always on the truck. This means we can complete most repairs in a single visit rather than scheduling a return trip after parts arrive. In a climate as demanding as Houston, TX's, that speed matters. A family without heat in January or without cooling in the middle of summer needs a functioning system that same day, not three days later.

Beyond the immediate fix, every HVAC repair appointment includes a system health assessment. We check refrigerant charge, measure blower motor amperage draw, inspect electrical connections for corrosion and loose terminals, and evaluate the overall condition of the system. If we find something that will become a problem within the next season, we tell you clearly and honestly. We're not in the business of manufacturing urgency or overselling replacement equipment. Our goal is a system that runs reliably through its full useful life, and a customer who knows exactly what condition their equipment is in.

Core Hvac Repair Services

Every repair is backed by a written diagnosis and parts warranty. We trace the fault to the component level before we quote you a price.

Control Board Failure Repair

The control board is the brain of your HVAC system, managing ignition sequencing, blower timing, safety lockout responses, and communication between components. When a board fails, the symptoms often look like multiple unrelated problems. Our technicians test board outputs under load using a dedicated test set to distinguish a genuine board failure from a wiring fault or sensor problem before ever recommending replacement.

  • Microprocessor-level fault code retrieval
  • Relay and transistor output verification
  • Wiring harness continuity testing
  • OEM and compatible board sourcing

Heat Exchanger Inspection and Repair

A cracked heat exchanger is one of the most serious HVAC failures a homeowner can face. It allows combustion gases, including carbon monoxide, to mix with conditioned air and circulate through the living space. We perform both visual inspection with a specialized scope and combustion gas analysis to confirm whether a heat exchanger has been compromised. If a crack is confirmed, we walk through your options honestly, including whether the system age justifies repair or replacement.

  • Combustion gas spillage testing
  • Flexible camera inspection of exchanger tubes
  • CO concentration measurement at registers
  • Full documentation for insurance purposes

Refrigerant System Diagnostics

Refrigerant issues affect both heating and cooling efficiency and can indicate anything from a slow leak at a Schrader valve to a failed reversing valve in a heat pump. We use electronic leak detection and dye tracing to locate the exact source of any refrigerant loss, then perform proper recovery, repair, and recharge to manufacturer specifications. Every refrigerant service is performed by EPA 608-certified technicians.

  • Electronic and UV dye leak detection
  • Proper refrigerant recovery and recycling
  • Charge verification by subcooling/superheat
  • Leak-repaired, certified system recharge

Blower Motor and Fan Assembly Repair

A failing blower motor reduces airflow below the threshold needed for proper heat exchange, causing short-cycling, high static pressure, and premature compressor wear. We test motor windings, capacitor micro-farad values, and bearing condition before recommending repair or replacement. Where variable-speed ECM motors are involved, we also diagnose the motor control module separately from the motor itself, which can save significant repair cost.

  • Run and start capacitor replacement
  • ECM module isolation testing
  • Belt-drive and direct-drive motor service
  • Airflow verification after repair

Gas Valve and Ignition System Service

Intermittent ignition failures are often traced to a weak igniter, a contaminated flame sensor, or a gas valve that isn't opening fully at the correct manifold pressure. Our technicians measure igniter resistance when cold, verify flame sensor microamp output, and test gas valve inlet and outlet pressures with a manometer. This systematic approach prevents misdiagnosis and unnecessary parts replacement on one of the most safety-critical portions of your heating system.

  • Hot surface and spark igniter testing
  • Flame sensor cleaning and replacement
  • Gas pressure verification at manifold
  • Gas valve coil and operator testing

Pressure Switch and Safety Control Testing

Pressure switches, rollout switches, and limit controls are safety devices designed to shut down the system when conditions move outside safe operating parameters. When they trip repeatedly, it's a symptom of another underlying problem, not always a failed switch. We trace why the switch is tripping -- whether it's a blocked condensate drain, a collapsed inducer housing, restricted airflow, or a leaking heat exchanger -- before replacing the safety device itself.

  • Inducer and draft pressure measurement
  • Condensate drain inspection and clearing
  • Limit switch temperature calibration check
  • Rollout switch root-cause analysis
98%
First-Visit Fix Rate
24/7
Emergency Availability
12mo
Parts and Labor Warranty
4hr
Average Response Time

The Standard Every HVAC Repair Should Meet

Component-Level Diagnosis

We test individual parts under operating conditions, not just read fault codes. That precision means accurate quotes and lasting repairs.

Stocked Service Vehicles

Our trucks carry hundreds of common HVAC repair parts, so most repairs are completed the same day without waiting for parts delivery.

Transparent Flat Pricing

You receive a written repair quote before any work begins. The price you approve is the price you pay -- no hidden fees or after-the-fact additions.

12-Month Repair Warranty

Every repair is backed by a full year parts and labor warranty. If the same issue returns, we come back and make it right at no additional cost.

How Our Hvac Repair Process Works

A predictable, transparent process from first call to finished repair. No surprises, no runaround.

HVAC repair process
1

Call and Symptom Intake

Our dispatcher gathers system details -- make, model, age, current symptoms, and any error codes displayed -- before routing your call to the right technician. This reduces diagnostic time on site.

2

Systematic On-Site Diagnosis

The technician performs a structured diagnostic sequence starting at power supply, working through controls, safety devices, and mechanical components, documenting findings at each stage.

3

Written Quote and Your Approval

You receive a clear, itemized written quote identifying the faulty component, the required repair, and the total cost. No work begins until you approve in writing.

4

Repair, Verify, and Warranty

After the repair is complete, the technician runs a full operational test, measures airflow and temperatures at multiple registers, and issues your 12-month warranty certificate before leaving.

What Houston Homeowners Say

★★★★★

"The technician identified the exact problem in under 20 minutes. Turned out to be a failed control board relay that two other companies had completely missed. They had the part on the truck and the heat was back on within two hours."

Marcus T.
Homeowner, Houston TX
★★★★★

"I called about our system short-cycling. Instead of just replacing parts, the tech traced it to a cracked inducer housing causing a pressure switch fault. Thorough, honest, and they explained everything clearly. Will absolutely use them again."

Sandra K.
Property Manager, Houston, TX
★★★★★

"Responded the same afternoon I called. The diagnostic was detailed, the quote was fair, and they even checked the refrigerant charge and tightened a loose electrical connection while they were already in the unit. Real professionals."

David R.
Homeowner, Houston

HVAC Repair FAQs

Most standard HVAC repairs -- control board replacement, capacitor swap, igniter or flame sensor service, and similar component-level fixes -- are completed within one to three hours once the technician is on site. The diagnostic phase typically takes 30 to 60 minutes, and because our trucks carry an extensive inventory of common repair parts, the majority of jobs are completed in a single visit without needing to order parts. More complex repairs involving refrigerant system work or heat exchanger service may take longer, and our technician will give you a time estimate before work begins.
The honest answer depends on the system's age, the cost of the repair, and the overall condition of the equipment. A commonly used guideline is the 5,000 rule: multiply the system age by the repair cost, and if the result exceeds 5,000, replacement often makes more financial sense. However, a well-maintained 14-year-old system with a failed capacitor is a very different situation from a 14-year-old system with a cracked heat exchanger and a failing compressor. Our technicians give you a straight assessment of system condition and leave the decision entirely to you -- we don't push replacement when a repair makes sense.
Control boards fail for several reasons. Power surges and lightning strikes are among the most common causes, as the board's electronics can be damaged by voltage spikes that trip circuit breakers and reset the system. Overheating from restricted airflow -- typically caused by a clogged filter or blocked return grille -- can degrade board components over time. Moisture intrusion from a leaking evaporator coil or condensate pan can short-circuit board traces. Age also plays a role, as capacitors and relays on the board degrade over years of cycling. In some cases, a board that appears failed is actually being driven into protection mode by a faulty sensor or limit switch, which is why proper diagnosis is essential before board replacement.
The symptoms of a cracked heat exchanger are not always obvious, which is one reason it's a safety concern. Some homeowners notice a strange smell when the furnace runs, similar to formaldehyde or a sharp chemical odor. Others notice soot marks around registers or experience headaches and nausea that improve when they leave the house -- these can be signs of carbon monoxide exposure. Visible physical signs include corrosion streaks or soot marks on the exterior of the heat exchanger. The most reliable detection methods are a visual inspection with a camera probe and combustion gas analysis using calibrated instrumentation. If you have any reason to suspect a cracked heat exchanger, leave the system off and call us immediately.
Repeated pressure switch trips are almost never caused by the switch itself. The pressure switch monitors inducer draft to confirm that combustion gases are being safely exhausted before allowing ignition. When it trips repeatedly, something is preventing proper draft. The most common causes are a blocked condensate drain trap preventing the inducer from building proper negative pressure, a cracked or loose hose connecting the switch to the inducer housing, a failing inducer motor that isn't producing adequate suction, or a cracked heat exchanger that changes the pressure dynamics inside the combustion chamber. A technician should measure actual inducer pressure with a manometer rather than simply bypassing or replacing the switch, since the switch is doing exactly what it was designed to do.
Yes. Every repair performed by All Year HVAC technicians is covered by a 12-month parts and labor warranty. If the same component or the same fault reoccurs within 12 months of the repair, we return and correct it at no charge. This warranty applies to repairs, not to unrelated new failures or maintenance items. The warranty certificate is issued on the day of the repair and specifies exactly what was replaced and when. We stand behind our diagnostic work as well -- if a misdiagnosis occurs and the repair doesn't resolve the original problem, we make it right.

Serving Houston and Surrounding Houston, TX Communities

Our Hvac Repair technicians are dispatched from multiple locations across Houston, TX to keep response times fast no matter where you are.

Houston, TX Surrounding Areas All Houston, TX Zip Codes

Your HVAC System Deserves a Real Diagnosis

Stop guessing and stop paying for parts that don't fix the problem. Call All Year HVAC for expert Hvac Repair in Houston and get a written quote before we turn a single wrench.

Call +1-866-805-8548 Now

Our Services in Houston, TX

Houston (/ˈhjuːstən/ i; HEW-stən) is the most populous city in Texas and in the Southern United States. It is the fourth-most populous city in the United States after New York City, Los Angeles, and Chicago, and the sixth-most populous city in North America. With a population of 2,302,878 in 2022, Houston is located in Southeast Texas near Galveston Bay and the Gulf of Mexico; it is the seat and largest city of Harris County and the principal city of the Greater Houston metropolitan area, which is the fifth-most populous metropolitan statistical area in the United States and the second-most populous in Texas after Dallas–Fort Worth. Houston is the southeast anchor of the greater megaregion known as the Texas Triangle.

Zip Codes in Houston, TX that we also serve: 77069 77068 77061 77060 77063 77062 77065 77064 77067 77066 77346 77571 77036 77037 77034 77035 77032 77033 77030 77031 77038 77449 77489 77044 77043 77042 77204 77598 77018 77019 77015 77016 77017 77010 77011 77012 77013 77094 77093 77092 77345 77547 77025 77024 77027 77026 77021 77020 77023 77022 77029 77028 77096 77090 77091 77098 77099 77078 77079 77072 77073 77070 77071 77076 77077 77074 77075 77407 77047 77046 77045 77041 77040 77048 77336 77339 77338 77003 77002 77007 77006 77005 77004 77009 77008 77450 77082 77084 77089 77088 77083 77081 77080 77087 77086 77085 77053 77054 77055 77056 77057 77058 77059 77396 77051 77506 77504 77001 77052 77201 77202 77203 77205 77206 77207 77208 77209 77210 77212 77213 77215 77216 77217 77218 77219 77220 77221 77222 77223 77225 77226 77227 77228 77229 77230 77231 77233 77234 77235 77236 77237 77241 77242 77243 77244 77245 77248 77249 77251 77252 77253 77254 77255 77256 77257 77259 77261 77262 77263 77266 77269 77270 77271 77272 77273 77274 77275 77282 77284 77287 77288 77289 77291 77292 77293 77297 77299 77315 77325 77411 77014 77095 77050 77049 77039 77265 77258 77238 77224 77290 77240 77267 77268 77279 77280 77277

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