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Heat Pump Services

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Heat pump installation, repair and servicing — one system that heats and cools by moving heat, including cold-climate and dual-fuel setups.

Call center hours: Mon-Fri 7:00 AM-10:00 PM ET | Sat 8:00 AM-10:00 PM ET | Sun 7:00 AM-9:00 PM ET

Heat Pump Services — the short answer

Heat pump installation, repair and servicing — one system that heats and cools by moving heat, including cold-climate and dual-fuel setups. Below: the signs that point to this job, how the work itself runs, and what shapes its scale.

A heat pump does not make heat in the way a furnace does; it moves heat, using the refrigeration cycle to carry warmth from outdoor air into the house in winter and to reverse the flow in summer. That single fact explains both its appeal and the skill its servicing demands. Because it moves heat rather than generating it from fuel, a heat pump can deliver more heat energy than the electricity it consumes — and because it works year-round in both directions, its condition, charge and airflow affect a household in every season, not just one. Heat pump services cover the installation, repair and maintenance of these systems across their whole working pattern.

TempReach USA is a referral and connection service. We do not install or repair heat pumps ourselves. Through this page you are connected with an independent local HVAC professional who works on heat pump systems in your area — for a new installation, a fault on an existing system, or a considered change from a furnace-and-air-conditioner arrangement. That professional assesses your home and equipment, explains the findings and options in plain language, and quotes the work after assessing and before any work begins. Equipment warranties rest with manufacturers; workmanship rests with the professional's own company.

Heat pumps ask more of a diagnosis than simpler equipment because their symptoms cross seasons and systems. A unit that heats weakly in January may have a refrigerant charge drifting low — the same fault that will weaken its cooling in July. A system that ices heavily may be defrosting normally, or may be failing to defrost because of a sensor, a board or airflow. Auxiliary heat that runs too readily can quietly dominate a home's electricity use while the heat pump itself is healthy but badly controlled. Each of these has a correct, testable explanation, and finding it is the difference between servicing a heat pump and merely attending to one.

The technology has also moved. Modern cold-climate heat pumps are engineered to hold useful heating capacity at outdoor temperatures that would have overwhelmed earlier generations, using variable-speed compressors and enhanced vapour injection; manufacturers publish the low temperatures at which their models maintain rated output, and a professional recommending equipment for a cold region should be working from those figures. In milder weather the same system modulates down and sips rather than cycles. This page covers heat pump work in that current form — installation choices, the faults that actually occur, and what a proper service visit tests — without pretending one system suits every house and climate equally.

Signs your heat pump needs professional attention

  • The system heats weakly in cold weather and auxiliary heat seems to run far more than it used to
  • Ice building into a solid block on the outdoor unit, or a unit that stays frosted long after a defrost should have cleared it
  • The heat pump runs almost constantly in moderate weather without holding the set temperature
  • Electricity use climbing sharply across a heating season while your habits and the weather stay comparable
  • The system cooling when it should be heating, or failing to change over between seasons
  • Frequent, loud defrost cycles, or vapour and noise from the outdoor unit far more often than neighbours' systems show
  • Short cycling in either mode — starting, running briefly, stopping — with rooms never settling at temperature
  • Warm air noticeably weaker at the vents than last winter, with the same settings and similar weather
  • Grinding, rattling or fan noises from the outdoor unit, or a fan that struggles to start in cold weather
  • A system that keeps the house comfortable only by leaning on auxiliary heat, with the outdoor unit running little or not at all
A heating and cooling problem at homePROBLEM
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The same system after professional repairSOLUTION

What happens on a heat pump service or installation visit

  1. History and mode testing. The technician hears the symptom pattern from you — which season, which mode, how the auxiliary heat behaves — then runs the system in both heating and cooling to observe changeover, operation and vent temperatures.
  2. Refrigeration and electrical testing. Pressures and temperatures are read against the conditions, charge is assessed by the manufacturer's method, and compressor, fan and capacitor values are tested, because a heat pump's health is written in those figures in both modes.
  3. Defrost and auxiliary heat checks. The defrost cycle is initiated or observed, sensors and board operation are verified, and the auxiliary heat is tested for when it engages and whether its controls and lockouts are set as they should be.
  4. Findings and quote. You are told what the tests showed — the fault, or the installation options where that is the visit's purpose — with the work quoted after assessing and before anything begins, for your approval.
  5. The work itself. Repairs, adjustments or installation proceed as agreed: components replaced, charge corrected by measurement, controls configured, and on installations the system set, connected and evacuated to standard.
  6. Proving the system in both directions. Before leaving, the heat pump is run in heating and cooling, defrost operation is confirmed, auxiliary heat behaviour is verified, and the technician explains the settings and the sounds and cycles that are normal for your system.

Heat Pump on Its Own vs Dual-Fuel: Heat Pump Plus Furnace

Heat Pump on Its Own

  • One system heating and cooling, with auxiliary strips supplementing below the balance point
  • Suits milder climates and well-insulated homes whose heat loss stays within the pump's cold-weather capacity
  • Cold-climate models extend the workable range deep into sub-freezing weather on published performance data
  • No fuel supply or flue involved — the simplest servicing picture of the heating options
VS

Dual-Fuel: Heat Pump Plus Furnace

  • The pump carries mild and moderate weather; the furnace takes the coldest days automatically at a set changeover point
  • Suits colder climates and homes with a sound existing furnace and duct system worth building on
  • The same heat pump provides summer cooling, so one refrigeration system serves the whole year
  • Controls and balance-point setting decide its results — an installation and commissioning task, not just equipment

What influences the work involved in heat pump services

  • Whether the visit is an installation, a fault repair or a seasonal service — the three have different testing regimes
  • The system's age, refrigerant type and whether it is a standard or cold-climate model with variable-speed equipment
  • Refrigerant charge condition, since a drifting charge shows in both heating and cooling performance across the year
  • The defrost system's health — sensors, board and controls — and how the local climate loads it with frost
  • Auxiliary heat type and control settings, including the balance point at which supplementary heat is allowed to engage
  • Whether the arrangement is all-electric or dual-fuel with a furnace, which changes both the controls and the servicing
  • Duct condition and airflow, which cap what any heat pump can deliver no matter how healthy the outdoor unit is
  • The home's heat loss against the system's low-temperature capacity, for installation and replacement decisions
  • Outdoor unit placement — clearances, drainage of defrost water, and exposure that affects icing and performance

Moving heat in both directions: how heat pump work differs

The reversing valve is the heat pump's defining component: it decides which way refrigerant flows, and therefore whether the indoor coil heats or cools the air passing over it. Around that valve, the system is recognisably an air conditioner with additions — a defrost control, outdoor temperature sensors, and usually a source of auxiliary heat, most often electric resistance strips in the air handler or a furnace in a dual-fuel arrangement. Servicing follows from that anatomy. A heat pump stuck in one mode, or cooling when it should heat, is tested at the valve, its solenoid and the controls commanding it before anything more exotic is suspected, because the system's whole personality lives in that one decision.

Defrost is the behaviour homeowners most often misread. In heating mode the outdoor coil runs colder than the outdoor air and gathers frost in damp, cold weather; the system periodically reverses briefly to melt it, producing a whoosh, a cloud of vapour and a pause in warm air that can look alarming and is entirely normal. Genuine defrost faults look different: ice that builds into a solid block, a system that defrosts constantly, or one that never does. The causes sit in sensors, the defrost board, refrigerant charge or airflow — and distinguishing normal frost management from a system losing that battle is a standard, instrument-led part of a heat pump service visit, not a matter of opinion.

Auxiliary heat is where heat pump economics are quietly won and lost. Aux heat exists to supplement the pump on the coldest days and during defrost, and to carry the house if the pump fails. Resistance strips do that job at far higher running consumption than the pump itself, so controls are set with a balance point and lockouts that bring auxiliary heat in only when the pump genuinely cannot hold the load. A system whose strips engage at the first cool morning — through thermostat settings, a misread outdoor sensor or a pump fault masking itself — heats the house perfectly well while consuming far more than it should. Testing when and why auxiliary heat engages is therefore core heat pump servicing, invisible in the home except on the electricity statement. The household's part in this is simpler than it sounds: keep a rough note of when the auxiliary indicator shows and what the weather was doing at the time. A pattern recorded across a few weeks — strips appearing on mild afternoons, or only during genuinely hard frosts — is evidence a technician can act on in a single visit, where a general impression that the bills feel high cannot be tested at all.

Capacity in the cold deserves plain treatment. Every air-source heat pump loses some heating capacity as outdoor temperatures fall, while the house's heat loss rises — the two curves cross at the balance point, below which auxiliary heat makes up the difference. Cold-climate models push that crossing point far lower than standard models, maintaining strong output deep into sub-freezing weather, and their published performance data states the temperatures involved. A professional specifying a system for your climate works from your home's heat loss and the manufacturer's low-temperature data for the specific model — not from the nominal tonnage on the box, which describes performance in mild conditions and says little about a January night.

Heat Pump Services — related heating and cooling work in a home
Heat Pump Services often sits alongside the wider system — the questions below cover the judgements homeowners ask about most.

Questions about heat pump services

Can a heat pump really heat a home in cold winter weather?
Yes, within limits that are published rather than mysterious. A heat pump extracts heat from outdoor air, and there is usable heat energy in air well below freezing — the system's capacity falls as temperatures drop, but modern cold-climate models are engineered with variable-speed compressors and vapour injection specifically to hold strong output deep into sub-freezing conditions, and manufacturers state the low temperatures at which each model maintains its rated capacity. Below a system's balance point, auxiliary heat supplements it. Whether a heat pump suits your home therefore depends on your climate, your home's heat loss and the specific model's low-temperature data — which is exactly what a proper assessment works from. In severe climates a dual-fuel arrangement, pairing the pump with a furnace for the coldest days, is often the considered answer. Anyone proposing a system should be discussing those figures with you, not offering assurances in the abstract.
Why does my heat pump keep using auxiliary heat, and should it?
Auxiliary heat has three legitimate jobs: supplementing the pump below its balance point on genuinely cold days, tempering the air during defrost cycles, and carrying the home if the pump itself fails. It becomes a problem when it does a fourth job — quietly substituting for the pump in ordinary weather. Causes include thermostat settings that call for it too readily, an outdoor sensor misreading temperature, a refrigerant charge or airflow fault that has weakened the pump so the controls compensate, or a pump fault the system has routed around without announcing. The giveaway is usually the electricity statement rather than comfort, because the house stays warm either way. A service visit tests when the auxiliary heat engages and why, checks the pump's own performance figures, and resets the controls to their intended logic. If your aux indicator shows in mild weather, that is a symptom worth a visit, not a personality trait of the system.
Is the ice and steam from my outdoor unit in winter normal?
Usually, yes — and knowing the normal version helps you spot the real fault. In heating mode the outdoor coil runs colder than the air and collects frost in damp, cold weather. The system periodically defrosts: it reverses briefly, the fan stops, the frost melts with a whoosh and often a cloud of vapour, meltwater runs from the unit, and heating resumes. That cycle is the system managing itself. The abnormal versions are a unit encased in solid ice that never clears, defrosts happening so frequently the house cools, or ice accompanied by weak heating and constant auxiliary heat. Those point to sensors, the defrost control, charge or airflow, and they compound if left — ice insulates the coil, capacity falls further, and the system works harder for less. A photograph of the unit at its worst, and a note of how often it defrosts, are genuinely useful things to hand the technician.
What is a dual-fuel system, and who does it suit?
A dual-fuel — or hybrid — system pairs an electric heat pump with a gas or oil furnace under one set of controls. The heat pump carries the heating through mild and moderate weather, where it moves heat at high efficiency, and the furnace takes over below a set outdoor temperature where it becomes the more capable or economical source. The changeover is automatic, governed by an outdoor sensor and the balance point chosen at installation, and the same heat pump provides the home's cooling in summer. The arrangement suits homes in climates with genuinely cold winters, homes that already have a sound furnace and duct system, and households that want heat pump efficiency for most of the season without asking it to face the coldest nights alone. It is a controls-and-matching exercise as much as an equipment one: the assessment covers the furnace's condition, the duct system, and where the changeover point should sit for your house and climate.
How long does a heat pump last compared with a furnace and air conditioner?
A heat pump commonly serves somewhere around fifteen years, with the honest spread decided by climate, installation quality and maintenance — remembering that it works both seasons, accumulating roughly double the annual running hours of a furnace or air conditioner that each handle one. That year-round duty is not a design flaw; it is the trade for one system doing two jobs, and modern variable-speed equipment also runs gentler, longer cycles that are kinder to components than constant hard starting. What shortens heat pump life is familiar: incorrect charge, starved airflow, defrost faults left to grind through winters, and controls mis-set so auxiliary components carry loads they were meant to share. Regular servicing that tests both modes, the defrost system and the auxiliary heat logic is how the system's expected span is actually achieved. When replacement approaches, the same assessment that sizes any heating or cooling system — heat loss, load, ducts — decides its successor.
My heat pump worked all summer. Why does it need attention for winter?
Because winter asks different things of it. Summer proved the cooling mode: refrigeration circuit, outdoor fan, condensate handling. Winter adds the reversing valve's other direction, the defrost system, outdoor sensors, and the auxiliary heat and its controls — components that sat idle all summer and whose faults only announce themselves when heating is asked for, usually on the first cold night when every household in the region is asking at once. A pre-winter service runs the system in heating mode, initiates a defrost, tests auxiliary heat engagement and reads the charge and electrical figures with the system working as winter will demand. It also catches the cross-season faults — a charge that drifted during summer weakens heating before it weakens anything else. The visit is short, its timing is the whole point, and it converts the first cold snap from a discovery into a non-event.

Find heat pump services in your city

Alabama: Birmingham, Huntsville, Mobile, Montgomery, Tuscaloosa, Daphne–Fairhope, Auburn, Decatur, Florence–Muscle Shoals, Dothan

Alaska: Anchorage

Arizona: Phoenix, Tucson, Prescott, Lake Havasu City, Yuma, Flagstaff

Arkansas: Little Rock, Fayetteville–Springdale–Rogers, Fort Smith

California: Los Angeles, Riverside–San Bernardino, San Francisco, San Diego, Sacramento, San Jose, Fresno, Bakersfield, Oxnard–Ventura, Stockton, Modesto, Santa Rosa, Visalia, Vallejo, Santa Barbara, Salinas, Merced, San Luis Obispo, Santa Cruz, Chico, Yuba City, Redding, El Centro, Hanford

Colorado: Denver, Colorado Springs, Greeley, Fort Collins, Boulder, Pueblo, Grand Junction

Connecticut: Hartford, Bridgeport–Stamford, New Haven, Waterbury, Norwich–New London

Delaware: Dover

District of Columbia: Washington

Florida: Miami, Tampa, Orlando, Jacksonville, North Port–Sarasota, Cape Coral–Fort Myers, Lakeland, Daytona Beach, Palm Bay–Melbourne, Port St. Lucie, Pensacola, Ocala, Naples, Tallahassee, Gainesville, Crestview–Fort Walton Beach, Panama City, Punta Gorda, Sebastian–Vero Beach, Homosassa Springs, The Villages

Georgia: Atlanta, Augusta, Savannah, Columbus, Macon, Gainesville, Athens, Warner Robins, Valdosta, Dalton, Albany

Hawaii: Honolulu, Kahului

Idaho: Boise, Coeur d'Alene, Idaho Falls

Illinois: Chicago, Peoria, Rockford, Champaign, Springfield, Bloomington

Indiana: Indianapolis, Fort Wayne, South Bend, Evansville, Lafayette, Elkhart, Terre Haute, Bloomington

Iowa: Des Moines, Davenport, Cedar Rapids, Iowa City, Waterloo, Sioux City

Kansas: Wichita, Topeka

Kentucky: Louisville, Lexington, Bowling Green

Louisiana: New Orleans, Baton Rouge, Lafayette, Shreveport, Slidell, Lake Charles, Monroe, Houma, Alexandria

Maine: Portland, Bangor

Maryland: Baltimore, Hagerstown, Lexington Park

Massachusetts: Boston, Worcester, Springfield, Barnstable Town, Amherst

Michigan: Detroit, Grand Rapids, Lansing, Flint, Ann Arbor, Kalamazoo, Saginaw, Muskegon, Jackson, Traverse City, Monroe, Niles

Minnesota: Minneapolis–St. Paul, Duluth, Rochester, St. Cloud

Mississippi: Jackson, Gulfport–Biloxi, Hattiesburg

Missouri: St. Louis, Kansas City, Springfield, Columbia, Joplin, Jefferson City

Montana: Billings

Nebraska: Omaha, Lincoln

Nevada: Las Vegas, Reno

New Hampshire: Manchester

New Jersey: Trenton, Atlantic City, Vineland

New Mexico: Albuquerque, Las Cruces, Santa Fe

New York: New York, Buffalo, Rochester, Albany, Poughkeepsie, Syracuse, Utica, Binghamton, Kingston

North Carolina: Charlotte, Raleigh, Greensboro, Winston-Salem, Durham, Wilmington, Asheville, Fayetteville, Hickory, Jacksonville, Burlington, Greenville, Rocky Mount

North Dakota: Fargo

Ohio: Cincinnati, Columbus, Cleveland, Dayton, Akron, Toledo, Youngstown, Canton

Oklahoma: Oklahoma City, Tulsa

Oregon: Portland, Salem, Eugene, Bend, Medford

Pennsylvania: Philadelphia, Pittsburgh, Allentown, Harrisburg, Scranton, Lancaster, York, Reading, Erie, Chambersburg, State College, Lebanon

Rhode Island: Providence

South Carolina: Greenville, Charleston, Columbia, Myrtle Beach, Spartanburg, Hilton Head Island, Florence

South Dakota: Sioux Falls, Rapid City

Tennessee: Nashville, Memphis, Knoxville, Chattanooga, Clarksville, Kingsport, Johnson City, Jackson

Texas: Dallas–Fort Worth, Houston, San Antonio, Austin, McAllen, El Paso, Killeen–Temple, Corpus Christi, Brownsville, Beaumont, Lubbock, Waco, Longview, College Station, Laredo, Amarillo, Tyler, Midland, Abilene, Odessa, Sherman–Denison, Wichita Falls, Texarkana

Utah: Salt Lake City, Provo, Ogden, St. George, Logan

Vermont: Burlington

Virginia: Virginia Beach–Norfolk, Richmond, Roanoke, Lynchburg, Charlottesville, Blacksburg, Winchester

Washington: Seattle, Spokane, Kennewick, Olympia, Bremerton, Yakima, Bellingham

West Virginia: Huntington, Charleston, Morgantown

Wisconsin: Milwaukee, Madison, Green Bay, Appleton, Racine, Eau Claire, Oshkosh, La Crosse, Kenosha, Janesville

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