24/7 Live Line: (281) 549-0799
4.8 (210 Google reviews) • Licensed TACLB #TX-88214 • Insured • NATE Certified
Call Now
Rapid Dispatch: AC Not Cooling No Power Warm Air Water Leak Heating Down
Heat Pump Specialists · Dispatch Active

Heat Pump Repair in Houston — Heating & Cooling Mode Issues

Heat pumps do double duty, which means twice the components that can fail. Our techs are trained on both the heating and cooling sides of your system.

Call Now: (281) 549-0799 See All Services
TACLB #TX-88214 NATE-Certified Techs $0 Diagnostic w/ Repair
~35-Minute Houston-Wide Emergency Dispatch. Live technician answered in under 60 seconds — no call center loop.
NATE ACTIVEHOUSTON-WIDE
An HVAC technician performing Heat Pump Repair in Houston, TX
NATE-Certified Field TechsDiagnostic tools on every truck, every call.
Emergency Dispatch Matrix

Select Your Situation

Active units staged across Houston, Katy, Sugar Land & The Woodlands.

SAME-DAY

AC Repair

Start response → NEW SYSTEM

Installation

Start response → 24/7

Emergency HVAC

Start response → SEASONAL

Heating Repair

Start response → COMMERCIAL

Business HVAC

Start response →
Understanding Heat Pumps

Why Some Ice Buildup Is Normal

Not all frost on a heat pump means something's wrong.

1. Normal Defrost Cycle
2. Excessive Ice
3. Reversing Valve
4. Auxiliary Heat
Protocol Focus · Common Confusion

Light Frost During Winter Operation Can Be Normal

Heat pumps periodically go into a defrost cycle during cold weather, which can look alarming but is a normal, automatic process — heavy, persistent ice is different and worth a call.

Normal defrost cycles run briefly and the unit returns to normal operation automatically.
Heavy ice that doesn't clear after a few hours often indicates a refrigerant or airflow issue.
If your system seems stuck in defrost mode with no heat output, that needs professional attention.
Standard of Excellence

How We Compare to a Typical Houston HVAC Company

HVAC Services Houston, TXIndustry Average
Free diagnostic with any repair$89–$150 diagnostic fee
Live line answered 24/7Voicemail after 6pm
~35-min average dispatch2–4 hour arrival windows
Written price before repair startsVerbal quote, surprise total
NATE-certified techniciansNo certification requirement
1-year written repair warranty30-day or no warranty
11
Years Serving Houston
8,200+
Systems Repaired
35-min
Average Dispatch
4.8★
210 Verified Reviews
Credentials

Certified. Licensed. Accountable.

Every technician holds NATE certification and Texas TACLB licensing before ever stepping on your property.

NATE Certified
TACLB #TX-88214
BBB Accredited
EPA 608 Certified
The 5-Step Field Protocol

From Your Call to a Cool Home

01 · FIRST 10 MIN

Dispatch & Safety

Live tech walks you through breaker and thermostat checks while a truck is routed.

02 · ~35 MIN ARRIVAL

Full Diagnostic

Refrigerant pressure, electrical, and airflow tested — not a guess.

03 · SAME VISIT

Written Price

You approve a flat, itemized price before any part is touched.

04 · SAME VISIT

Repair or Replace

Most repairs completed same-visit from a fully stocked truck.

05 · CLOSEOUT

Verified Cooling

We confirm supply-air temperature drop before we leave.

Comprehensive Houston Services

Complete HVAC Services

SAME-DAY

AC Repair

Fast diagnostics for warm air, no cooling, and dead systems.

 SIZED RIGHT

AC Installation

Load-calculated systems, not oversold tonnage.

 SEASONAL

Maintenance Plans

Tune-ups that catch failures before peak summer.

 WINTER READY

Heating Repair

Furnace and heat pump service for cold fronts.
24/7

Emergency HVAC

Nights, weekends, and holiday dispatch.

AIRFLOW

Duct Services

Sealing and repair for even cooling and lower bills.

 AIR QUALITY

Filtration & IAQ

Purifiers and humidity control for cleaner indoor air.

 COMMERCIAL

Business HVAC

Rooftop units and multi-zone systems for facilities.
Transparent Estimates

What Heat Pump Repair Costs in Houston

Pricing depends on which component needs repair.

MINOR FIX
$150–$450

Capacitor, contactor, or defrost control issues.

REVERSING VALVE
$450–$1,100

Reversing valve repair or replacement.

MAJOR REPAIR
$1,100–$2,600

Compressor or major refrigerant system component repair.

Heat Pump Challenges in Houston

What Affects Heat Pumps in This Climate

MILD WINTERS

Frequent mode switching

Houston's mild winters mean heat pumps cycle between heating and cooling often, adding wear.

HUMIDITY

Coil icing risk

High humidity combined with cold snaps increases defrost cycle frequency.

YEAR-ROUND USE

Extended duty cycles

Unlike furnace-only systems, heat pumps run nearly year-round in Houston.

SURGES

Reversing valve sensitivity

Power surges can affect the reversing valve solenoid specifically.

Verified Houston Reputation

Rated 4.8 Stars Across 210+ Reviews

★★★★★

"AC died at 9pm in July. Tech was at our door in 30 minutes and had it running again within the hour."

— Jennifer M., Katy
★★★★★

"Gave us the price upfront, no surprise charges. Compressor was clearly explained before they touched it."

— Carlos R., Sugar Land
★★★★★

"Called three companies at 11pm — only one picked up. Real technician walked me through safety steps."

— Sarah L., The Woodlands
Heat Pump Winter Faults

Heat Pump Problems That Only Show Up in Winter

A heat pump is the most common heating system in newer Houston homes, and it behaves very differently from a furnace when the temperature drops.

DEFROST

Defrost cycle problems

In heating mode the outdoor coil ices up, and the system must periodically reverse to melt it off. A failed defrost control leaves the coil caked in ice and the heat output drops.

AUX HEAT

Auxiliary heat stuck on

Auxiliary electric strips are backup for the coldest nights. If they run constantly, your electric bill spikes — and it usually means the heat pump itself is not doing its job.

REVERSING VALVE

Reversing valve failure

The valve that switches the system between heating and cooling can stick. The classic symptom: the system cools fine in summer but blows cold air in winter.

LOW REFRIGERANT

Low refrigerant charge

A heat pump low on refrigerant cannot move enough heat, especially on cold nights. It runs constantly, ices up, and still leaves the house cold.

Houston Winter Fit

Why Heat Pumps Suit Houston — When They Work

Houston Winter Fit

Why Heat Pumps Suit Houston — When They Work

Houston's mild winters are ideal for heat pumps: they move heat rather than making it, so they heat efficiently on all but the coldest nights of the year. The problems start when a small fault — a bad defrost sensor, a sticking valve, low charge — goes unnoticed through the summer.

Because the same system cools your home all summer, a heat pump fault often shows up first as a winter problem. An autumn check of the defrost cycle, refrigerant charge, and auxiliary heat is the cheapest way to avoid a cold January night.

Ice on the outdoor unit that never melts is a fault, not normal winter operation.
Steam during the defrost cycle is normal — ice that stays is not.
If aux heat runs for hours on a mild night, the heat pump needs attention.
Keep leaves and debris clear of the outdoor unit all winter.
Service Area

Serving All of Houston, TX

Same-day heating and AC service across the Houston metro, 24/7. If you are inside the loop or out in the suburbs, a stocked truck is already nearby.

We dispatch across Houston, TX, including ZIP codes 77002, 77003, 77004, 77005, 77006, 77007, 77008, 77009, 77019, 77027, 77056, 77057, 77063, 77077, 77079, 77080, 77081, 77082, 77084, 77090, 77095, 77098, 77099. Call (281) 549-0799 and we will route the nearest available technician to your door.

Related: furnace repair costs in Houston, heating repair costs, HVAC service costs in Houston, heating repair near you and AC repair in Houston.

Questions

Frequently Asked Questions

Is ice on my heat pump normal?

Light frost during a defrost cycle is normal; heavy ice that doesn't clear indicates a problem worth a service call.

Why does my heat pump blow cold air sometimes when heating?

This can be normal during a defrost cycle, but persistent cold air during heating mode suggests a reversing valve or refrigerant issue.

Do heat pumps need different maintenance than AC-only systems?

Yes, heat pumps benefit from maintenance twice a year given their year-round, dual-mode operation.

What's the auxiliary heat strip for?

It's backup electric heat that engages when the heat pump alone can't meet demand during very cold weather.

How long do heat pumps typically last?

Similar to AC systems, 10-15 years with proper maintenance, though Houston's near-constant use can affect this.

Your AC Won't Fix Itself.

Same-day dispatch open now across Houston, TX.

Call (281) 549-0799