A failing heat pump can turn Sacramento’s hot summers or cold mornings into a major comfort problem.
Cronus Service provides fast, reliable heat pump repair services for all major brands and system types, including ductless mini-splits, packaged units, and traditional split systems. We diagnose issues accurately and restore heating or cooling the same day in most cases.

What We Offer and Deliver
Full electrical, refrigerant, and airflow diagnostic to locate the root cause of the issue
Compressor, fan motor, capacitor, and sensor testing
Refrigerant pressure check, leak detection, and proper charge adjustment
Defrost cycle, reversing valve, and communication board evaluation
Thermostat calibration and cycle testing
Final system performance verification in heating and cooling modes
Stages
Browse by category and find the service you need:
Stage 1
We inspect refrigerant levels, pressures, sensors, coils, airflow, and electrical components to locate performance issues accurately.
Book request
Stage 2
Our technician checks motors, reversing valve function, capacitor health, and communication boards.

Stage 3
Capacitors, contactors, sensors, motors, or boards can typically be repaired or replaced the same day.

Stage 4
We correct refrigerant levels, inspect line sets, and ensure coils operate efficiently in both heating and cooling modes.

Stage 5
We confirm proper system cycling, target temperature performance, and explain maintenance or upgrade recommendations.

Tip
Repair may be your best option when experiencing these issues:
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Low refrigerant, dirty coils, or sensor failure often cause this and can be corrected.

May indicate airflow restrictions, coil issues, or reversing valve problems.

Rattling, buzzing, or grinding noises typically point to mechanical wear or loose components.

Often caused by failing sensors, electrical problems, or airflow issues that require professional repair.

Pro Tip:
Timely repair can extend system life and prevent costly breakdowns during extreme weather.
Heat Pump Repair Service Description
Heat pumps are highly efficient systems that provide both heating and cooling, making them ideal for Sacramento’s climate. However, because they operate year-round, they experience more wear than separate furnace and AC systems. Knowing when your heat pump needs repair helps prevent energy waste and extend system life.
The first signs of heat pump trouble often involve weak airflow, reduced heating or cooling output, or inconsistent temperatures throughout your home. These issues can stem from refrigerant imbalance, dirty coils, or failing sensors.
Another common sign is unusual noise. Grinding or buzzing sounds often indicate a failing motor, loose components, or electrical problems. A heat pump that cycles frequently — especially in mild weather — may have thermostat, airflow, or refrigerant issues.
Frozen outdoor units are also common in winter and typically signal airflow problems or defrost system failure. If frost builds up quickly, repair is needed to restore proper operation.
• Low refrigerant or leaks
• Faulty capacitors and contactors
• Frozen outdoor units or failed defrost controls
• Dirty or blocked coils
• Faulty reversing valves
• Blower motor failures
• Outdoor fan problems
• Thermostat communication issues
• Short cycling and performance loss
• Electrical and control board failures
Heat pumps run in both heating and cooling seasons, meaning they work harder than traditional HVAC systems. Sacramento’s long summers and cool winter mornings create conditions where any system inefficiency becomes noticeable quickly.
A malfunctioning heat pump consumes more energy, drives up utility bills, and can fail suddenly during peak weather. Immediate repair restores efficiency and prevents long-term wear.
Repair is often the best choice when your heat pump is under 10 years old, needs minor component replacement, or still operates efficiently aside from the current issue.
Replacement becomes more cost-effective when:
• The system is 12–15+ years old
• Repairs exceed 25–30% of the cost of a new system
• Refrigerant leaks or major components fail
• Your energy bills have increased sharply
• The system struggles during summer or winter peaks
Cronus Service provides accurate diagnostics, same-day repairs, and high-quality workmanship for all heat pump brands. Our technicians follow manufacturer guidelines, test all major components, and ensure performance aligns with proper airflow, refrigerant balance, and electrical operation.
We restore your heat pump quickly and ensure it runs efficiently in both heating and cooling modes.
A properly functioning heat pump keeps your home comfortable year-round. Whether your system is freezing up, blowing lukewarm air, or cycling unevenly, Cronus Service is ready to diagnose and repair the issue fast. We keep Sacramento homes efficient, comfortable, and protected from unexpected breakdowns.
Serving Sacramento, Roseville, Rocklin, Lincoln, Granite Bay, Folsom, El Dorado Hills, Elk Grove, and nearby areas.
Consultation
Send us a quick request — we’ll get back to you within 15 minutes.
You’ll receive a detailed cost estimate
We’ll help you choose the right equipment
We’ll answer all your questions
(!) No pressure. No hidden conditions. Just clear, professional service.
Top rated
Certified and recognized as a leader in quality and reliability.







Gallery
Real installations. Real homes. Real results
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FAQ
Yes — we stock common parts like capacitors, sensors, and motors, enabling same-day repairs in most cases.
Most heat pumps last 12–15 years, depending on usage and maintenance.
Common causes include low refrigerant, dirty coils, sensor failure, or electrical issues. A diagnostic identifies the exact cause.
Yes — we repair all ductless and multi-zone heat pump systems.
No — frequent icing usually indicates defrost problems, restricted airflow, or refrigerant issues that require repair.
Yes — all heat pump repairs include a 1-year parts and labor warranty under California requirements.
Contact US
Licensed, insured, and fully certified
We work with equipment from all major brands
In-house team — no subcontractors, no middlemen
Transparent estimates and fixed pricing before work begins
Keeping the best prices in the area, apply rebates
Ongoing service, repairs, and support after installation
Consultation
Send us a quick request — we’ll get back to you within 15 minutes.
You’ll receive a detailed cost estimate
We’ll help you choose the right equipment
We’ll answer all your questions
(!) No pressure. No hidden conditions. Just clear, professional service.
Our manager will contact you to advise you and answer all your questions.