When your heat pump fails to provide proper heating or cooling, you need fast, reliable repair from technicians who understand these sophisticated systems. At DVO Heating and Air Conditioning, we've specialized in heat pump repair throughout Mesquite, TX since 2006, diagnosing and fixing complex issues that leave other companies puzzled. Whether your system won't switch between heating and cooling, runs constantly without reaching temperature, or has stopped working entirely, we have the expertise to restore your comfort quickly.
Heat pumps are remarkably efficient but mechanically complex, combining the functions of both air conditioners and heaters in one system. This complexity requires specialized knowledge for proper diagnosis and repair. Our technicians receive continuous training on all major heat pump brands including Trane, American Standard, Carrier, Lennox, Rheem, and others. We understand the unique components like reversing valves, defrost controls, and dual-function thermostats that make heat pumps different from traditional HVAC systems.
As a Christian business, we approach every repair with integrity and transparency. We know heat pump problems can be stressful, especially when they affect both your heating and cooling. That's why we provide honest diagnostics, clear explanations of problems, and upfront pricing before any work begins. Our goal is to restore your comfort efficiently while ensuring repairs last, not to sell unnecessary services or premature replacements.
Heat pumps face unique challenges requiring specialized expertise:
Don't let heat pump problems leave you uncomfortable. Our expert technicians are ready to diagnose and repair your system quickly. Visit our contact page or call now for immediate heat pump repair service.
The reversing valve enables heat pumps to switch between heating and cooling:
Our technicians systematically test:
Depending on diagnosis:
At DVO Heating & Air Conditioning, we partner with industry-leading manufacturers to provide Mesquite customers with the highest quality equipment:
Essential for Texas Winter Operation
Heat pumps must periodically defrost outdoor coils during heating:
Proper defrost operation ensures:
We thoroughly evaluate:
Auxiliary Heat Issues in Mesquite, TX
Heat pumps include auxiliary electric heat for extreme conditions:
We thoroughly evaluate:
Proper repair prevents:
Professional Tools for Accurate Diagnosis
Heat pumps face special refrigerant system stresses:
Proper refrigerant charge is critical for heat pump operation. We use weigh-in procedures, subcooling measurements, superheat verification, and pressure-temperature relationship analysis to ensure optimal performance.
Heat pumps have sophisticated electrical systems:
Our advanced tools ensure accurate diagnosis:
When Every Minute Counts
Heat pump failures affect both heating and cooling:
Help us help you faster:
Many heat pump emergencies are preventable:
All Major Brands Serviced
Our technicians repair all heat pump brands:
We understand model-specific quirks and stay current with manufacturer service updates, recall notifications, known problem solutions, updated repair procedures, and parts supersession information.
Mesquite, TX homeowners trust us because:
Our technicians receive continuous education on heat pump systems, including reversing valve diagnosis, defrost cycle troubleshooting, and dual-mode refrigerant charging.
We invest in specialized tools that allow us to accurately diagnose complex heat pump issues that other companies might miss.
Our service vehicles are stocked with heat pump-specific components to complete most repairs in a single visit.
When heat pump problems threaten your year-round comfort, you need more than just any HVAC company – you need specialists who understand these complex systems. DVO Heating and Air Conditioning has built our reputation on expert heat pump repair throughout Mesquite, TX since 2006. We combine technical expertise with honest, fair service to deliver repairs that last.
From our base in Mesquite, TX, we provide expert heat pump repair throughout Forney, Garland, Rowlett, Sunnyvale, Balch Springs, and Lake Highlands.
We understand that HVAC investments can be significant. That's why DVO Heating & Air Conditioning offers flexible financing options to make quality heating and cooling solutions accessible to all Mesquite residents.
Since 2006, homeowners and businesses in Mesquite have trusted DVO Heating & Air Conditioning for their HVAC needs. Here's why we're the preferred choice for quality heating and cooling solutions:
We offer personalized service with a focus on customer satisfaction.
We pride ourselves on providing clear, honest quotes with no hidden fees.
Our business and technicians are fully certified by the State of Texas.
We install and service top industry brands so you get the best in the industry.
Our team has the knowledge to solve any HVAC challenge.
We always give prompt attention to your heating and cooling needs.
We provide professional installation and repairs that last.
DVO Heating & Air Conditioning has been serving the Mesquite community since 2006.
Contact our team at DVO Heating & Air Conditioning to schedule your service and get the quality care you deserve.
DVO Heating & Air Conditioning proudly serves the following communities in the Dallas-Fort Worth area:
No matter where you're located in our service area, you can count on the same level of professional, reliable HVAC service that has earned us our reputation throughout Mesquite and the surrounding communities.
Save on comfort with seasonal HVAC specials and manufacturer rebates from DVO Heating & Air Conditioning. Check back often for the latest offers on heating, cooling, and indoor air quality solutions.
See All SpecialsCoupon must be present at time of service.
Every day with a malfunctioning heat pump means:
When your heat pump needs repair, choose the company that combines deep technical knowledge with honest, reliable service. Choose DVO Heating and Air Conditioning for repairs done right the first time.
Visit our contact page now or call immediately for expert heat pump repair. Your year-round comfort is too important to trust to anyone else!
Quality You Can Trust - Service You Can Depend On
When heat pumps run continuously in Mesquite, TX, several issues could be responsible. During extreme temperatures, constant operation might be normal as the system works to maintain comfort. However, problems like low refrigerant, dirty coils, faulty defrost controls, or an improperly sized system often cause excessive running. Thermostat issues, including incorrect settings or faulty outdoor sensors, also contribute. Our diagnostic process identifies the specific cause, whether it's a simple fix or a more complex issue requiring professional repair.
Cold air during heating mode is a common heat pump complaint with multiple potential causes. The system might be in defrost mode, temporarily reversing to melt outdoor coil ice. A stuck reversing valve prevents proper mode switching. Low refrigerant affects heating more than cooling in heat pumps. Auxiliary heat failures leave only the heat pump running, which produces cooler air than furnaces. Our technicians quickly identify whether it's normal operation or a malfunction requiring repair.
Heat pump repair costs in Mesquite, TX vary widely based on the specific problem. Simple fixes like capacitor replacements typically run $200-$500, while complex repairs like reversing valve replacement can reach $800-$2,000. Compressor replacement, the most expensive common repair, ranges from $1,800-$3,500. We provide upfront pricing after diagnosis, explaining all options. Many customers find our maintenance programs help avoid these costly repairs entirely through preventive care.
Winter icing is normal for heat pumps to some degree, which is why they have defrost cycles. However, excessive icing indicates problems like blocked airflow from dirty filters, low refrigerant levels, malfunctioning defrost controls, or faulty sensors. In Mesquite, TX, our humidity combined with temperatures near freezing creates ideal icing conditions. Our repair process addresses both the ice removal and the underlying cause to prevent recurrence.
While homeowners can handle basic maintenance like filter changes and keeping outdoor units clear, heat pump repairs require professional expertise. These systems involve high voltage electricity, pressurized refrigerant, and complex controls that pose safety risks. Additionally, improper repairs void warranties and often worsen problems. Our certified technicians have the training, tools, and experience to diagnose and repair heat pumps safely and effectively, ensuring lasting solutions.
Emergency heat manually activates your auxiliary heating strips, bypassing the heat pump entirely. Use this setting only when the heat pump fails completely, as it significantly increases energy costs. The auxiliary heat provides temporary comfort while awaiting repairs but costs 2-3 times more to operate than the heat pump. If you're frequently using emergency heat, your system needs professional diagnosis to identify why the heat pump isn't functioning properly.
Reversing valve failures show specific symptoms: the system won't switch between heating and cooling, gets stuck in one mode, or operates inefficiently in one mode. You might hear a whooshing sound when the system should switch modes. Touch the reversing valve carefully – if it's extremely hot or cold to the touch, it may be stuck. Our technicians use temperature and pressure readings to definitively diagnose reversing valve problems and determine if repair or replacement is needed.
Heat pumps normally make some operational sounds, but new or loud noises indicate problems. Grinding suggests motor bearing issues, squealing points to belt problems, rattling indicates loose components, and whooshing sounds might be refrigerant or reversing valve issues. During defrost cycles, some unusual sounds are normal. We diagnose the source and severity of noises, determining whether immediate repair is needed or if the issue can wait for scheduled maintenance.
Never cover your heat pump during winter – it needs airflow to function properly. Heat pumps operate year-round in Mesquite, TX, extracting heat from outdoor air even in cold weather. Covering the unit blocks this critical airflow and can cause system damage. Instead, keep the area clear of snow, ice, and debris. During severe ice storms, you can temporarily switch to emergency heat, but remove any ice accumulation as soon as possible.
Normal defrost frequency varies with weather conditions. During Mesquite, TX winters, heat pumps might defrost every 30-90 minutes when temperatures hover near freezing with high humidity. Cycles typically last 5-15 minutes. Excessive defrosting (every 20 minutes or less) or no defrosting when ice is visible indicates problems. Our technicians adjust defrost controls for optimal efficiency, balancing ice removal with energy conservation.
Constant auxiliary heat operation dramatically increases energy bills and indicates system problems. Common causes include heat pump failures, incorrect thermostat settings, faulty outdoor temperature sensors, or control board malfunctions. In some cases, the balance point setting needs adjustment for Mesquite, TX weather patterns. Our diagnosis determines whether it's a simple setting issue or component failure, restoring efficient heat pump operation and reducing your energy costs.
While possible, most heat pumps in Mesquite, TX last 15-18 years with excellent maintenance. Factors affecting longevity include installation quality, regular professional maintenance, usage patterns, and local weather conditions. Coastal salt air shortens lifespan, while our inland location helps. After 15 years, even functioning systems often benefit from replacement due to efficiency improvements in newer models. We help evaluate whether continued repairs or replacement makes more economic sense.
Musty odors typically indicate moisture-related issues like dirty evaporator coils, clogged condensate drains, or microbial growth in the system. Heat pumps' longer run times and moisture removal can create ideal conditions for mold and mildew. Our cleaning services address the source, not just the symptom. We clean coils, clear drains, and may recommend UV lights or air purification systems for ongoing prevention.
Yes, all heat pumps gradually lose efficiency without proper maintenance. Refrigerant leaks, dirty coils, worn components, and control drift reduce performance over time. However, regular professional maintenance significantly slows this degradation. We measure system efficiency during service visits, tracking performance trends. This data helps determine when efficiency losses justify replacement versus continued operation, ensuring you make informed decisions about your investment.
The repair-versus-replace decision depends on multiple factors we help you evaluate. For heat pumps under 10 years old, repairs usually make sense unless facing catastrophic failure. Systems 10-15 years old require case-by-case analysis considering repair costs, frequency, and efficiency. Over 15 years, replacement often provides better value through improved efficiency and reliability. We provide honest assessments based on your specific situation, never pushing unnecessary replacements.