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Heat Pump Specialists

Ducted Heat Pump Services for Year-Round Comfort in Plano, TX

A heat pump is two systems sharing one cabinet, and that is exactly what makes it harder to diagnose than a furnace or a straight air conditioner. The same equipment cools through a long Texas summer and heats through the winter, switching direction through a reversing valve that nothing else in your home has.

Trotter Air Services has serviced heat pumps across Plano and the Greater Dallas area since 1970. All three sides of that work start here: heat pump repair, twice-yearly maintenance, and installation and replacement. Our technicians are NATE-certified and we are an Armstrong ProTeam dealer.

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Family-Owned &
Operated Since 1970

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Both Heating &
Cooling Modes Tested

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NATE-Certified
Technicians

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Armstrong ProTeam
Dealer

Our Heat Pump Services

Heat Pump Repair, Maintenance & Installation in Plano, TX

Because a heat pump works in both seasons, it needs a different service rhythm than equipment that only runs half the year.

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Heat Pump Repair

Cool air when the system should be heating, a unit stuck in one mode, ice that will not clear off the outdoor coil, or auxiliary heat running constantly. We test both modes rather than only the one that is failing.

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Heat Pump Maintenance

Twice a year rather than once, because the equipment carries both seasons. Each visit verifies the mode it is about to be asked to run, plus defrost operation, refrigerant charge, capacitors and electrical connections.

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Heat Pump Installation

Sizing a heat pump means balancing a heating load and a cooling load that rarely land on the same number. We size against the house and explain what SEER and HSPF ratings mean for a North Texas year.

Which Heat Pump Service Do You Need?

If the system is blowing cool air when it should be heating, start with heat pump repair, because that symptom points at the reversing valve, refrigerant charge or defrost cycle. If the outdoor unit ices over and stays that way, the defrost system needs diagnosing. If your electric bill jumped over the winter, auxiliary heat is often carrying load it should not be. And if you are comparing equipment for a replacement, we install central air, furnaces and heat pumps, so we can lay out what actually suits your home.

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Dual-Mode Equipment

The Parts a Heat Pump Has That Other Systems Do Not

These components exist only because the equipment has to run in both directions, and they are where most heat pump service calls end up.

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The Reversing Valve

The component that flips the system between heating and cooling. When it sticks or its solenoid fails, you get cooling when you asked for heat, or a unit that will not change modes at all. Diagnosing it means testing the equipment in both directions rather than just the failing one.

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The Defrost Cycle

In heating mode the outdoor coil collects frost by design, and the system periodically reverses to melt it off. Failed sensors or controls leave the unit iced over with its heating capacity gone, which is when homeowners usually notice something is wrong.

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Auxiliary Heat

Electric resistance heat that supplements the system on the coldest days. When a heat pump underperforms from a refrigerant or airflow problem, the auxiliary heat quietly picks up the slack and the electric bill shows it long before anything looks broken.

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Twice the Operating Hours

A heat pump runs in summer and winter, so it accumulates roughly double the hours of a furnace or an air conditioner. That is the whole argument for servicing it twice a year instead of once, and why capacitors and blower motors wear faster than owners expect.

Already have a different brand? Our technicians service and repair all brands and models of HVAC equipment - regardless of who manufactured or installed it.

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Our Service Area

Proudly Serving Plano, TX & Greater Dallas Since 1970

For over five decades, we've been the HVAC company that Greater Dallas families call first. Our service area has grown along with the communities we serve, and today we're proud to provide expert heating, cooling, and indoor air quality services throughout the region.

When you call Trotter Air Services, you're not getting a national franchise or an out-of-town contractor who doesn't understand local conditions. You're getting a team of Dallas natives who know the unique challenges our Texas climate presents - from scorching summer heat to unexpected winter freezes.

Serving Communities Around:

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Not Sure if We Service Your Area?

Chances are we can help! We've served the Greater Dallas area for three generations, so please call 972-424-9233 or contact us today to see if we come out to your area.

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Frequently Asked Questions About Ducted Heat Pumps in Plano, TX

Typically a reversing valve fault, a low refrigerant charge, or a defrost cycle problem. If the cool air lasts only a few minutes and then normal heat returns, that is the defrost cycle working as designed. If it persists, the system needs diagnosis rather than time.

Twice a year rather than once, in spring and fall. A heat pump runs in both seasons, so it accumulates roughly double the operating hours of a furnace or an air conditioner, and each mode should be verified before the season that depends on it.

The most common cause is auxiliary electric heat running more than it should. That happens when the heat pump is underperforming from a refrigerant or airflow problem, when a control has failed, or when the thermostat is set in a way that calls for emergency heat unnecessarily. It is worth diagnosing, because resistance heat is the expensive way to warm a house.

Our climate suits heat pumps well, since the equipment spends most of the year cooling and the winters are comparatively mild. What decides whether one performs well is sizing, correct installation and how the auxiliary heat is configured, which is why we assess the home before recommending equipment.

One System, Both Seasons, Serviced Properly

Heat pumps reward technicians who understand both modes and know how auxiliary heat should behave. Start with heat pump repair, maintenance or installation, or call and tell us what the system is doing.