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Heat Pump Repair in the Northwest & West Suburbs
Pure Comfort repairs ducted and ductless heat pumps in Streamwood and the Northwest Suburbs, including Lennox dual-fuel systems. The diagnostic is $75 ($99 evenings, weekends and holidays). Common fixes include capacitors, defrost boards, sensors and reversing valves, and you get an upfront, flat-rate price before any repair begins.

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Heat Pump Not Working?
Fast, honest heat pump repair from a family-owned Streamwood team.
- $75 diagnostic ($99 evenings, weekends & holidays)
- 24/7 emergency service, with same-day appointments available
- Trucks stocked with common heat pump parts, so most repairs are done in one visit
- Upfront, flat-rate pricing before any work starts
Time for a New Heat Pump?
Free in-home replacement estimates from a Lennox Premier Dealer.
- Good, Better and Best options with upfront pricing
- ComEd instant discounts applied where you qualify
- Financing available, including 0% APR on select Lennox systems during Lennox promotions
- Sized with a load calculation, installed and permitted
What Are the Most Common Heat Pump Problems?
The most common heat pump problems are weak heating or cooling, ice that will not clear in winter, short cycling, refrigerant leaks and noisy outdoor fans. Call for service when you notice any of these.
- Wrong air temperatureAir that is noticeably cold in heating mode, or warm in cooling mode, points to controls, refrigeration or backup heat problems.
- The system runs constantlyContinuous operation without reaching the setpoint suggests the equipment is struggling with capacity, airflow or a refrigeration issue.
- Trouble switching modesA heat pump that will not change between heating and cooling may have a thermostat, reversing valve, control or wiring problem.
- Ice that will not clearLight frost can be normal, but heavy ice remaining after a defrost cycle needs diagnosis before the system is damaged.
- Repeated breaker tripsA breaker that keeps tripping signals an electrical or equipment problem and should not be reset over and over.
- Water or new noisesWater near the indoor unit, mechanical noise or an outdoor unit that will not run all deserve prompt attention.
Turn the system off if you see smoke or smell a strong electrical odor, then call for service rather than continuing to run the equipment.
How Do We Diagnose Heat Pump Failures?
A heat pump combines refrigeration, airflow, electrical components and controls, so we test the system as a whole.
- Test in the failing mode. We run the system in the mode that is causing trouble so the symptom can be observed rather than guessed at.
- Check controls and refrigeration. The thermostat, reversing valve, defrost operation, sensors, motors, electrical components and refrigerant conditions are all evaluated.
- Review the indoor side. Filter condition, airflow, drainage, auxiliary heat and the indoor equipment paired with the outdoor unit are part of the diagnosis.
- Separate cause from symptom. Measurements help us distinguish an equipment failure from a control, airflow or application problem before any part is replaced.
Should You Repair or Replace Your Heat Pump?
Repair a heat pump when the failure is isolated and the system is in good shape; consider replacement when an older unit needs a compressor or major refrigerant repair. If replacement deserves consideration, you can review the options without pressure.
A limited failure on a compatible system
When the fault is isolated and the system has otherwise provided reliable comfort in both seasons, a repair is usually the practical answer.
Major repairs that keep repeating
An aging refrigerant system or equipment that no longer meets the home’s heating and cooling needs changes the long-term value of another repair.
THE FOUR THINGS WE WEIGH
What the repair costs today
The price of the fix measured against what that same money contributes toward replacement equipment.
The state of the equipment
Repair history, refrigerant system condition and how the unit performs through both seasons.
Coverage that is still active
Remaining parts or labor coverage can make repair the clear answer, so we confirm it first.
Cold-weather capability
Whether the system still delivers acceptable heat in winter and reasonable efficiency through the year.
Related service: Heat Pump Installation
One Team for Both Seasons
Pure Comfort has served Streamwood since 2008. Because the same equipment works in summer and winter, we consider how the indoor unit, controls, ducts and backup heat interact.
- In-house techniciansNo subcontracted crews. The technician who arrives works for Pure Comfort and answers to us.
- Certified experienceNATE-certified, EPA-certified and Lennox Premier Dealer experience across the electrical, refrigeration and airflow sides of heat-pump service.
- Major brands servicedWe service major heat pump brands, including systems installed by another company.
- A broader viewThat system-level approach helps prevent a temporary fix from leaving the original comfort problem unresolved.
Heat Pump Components and Controls
We service motors, capacitors, contactors, sensors, defrost controls, reversing valves, thermostats, drainage and refrigerant-related components across major brands.
Duct and airflow conditions are included in the diagnosis whenever they are limiting performance.
COMPONENTS WE SERVICE
Diagnosis determines which of these is actually at fault.
- Reversing valves and defrost controls
- Sensors and control boards
- Blower and fan motors
- Capacitors, contactors and electrical components
- Thermostats and auxiliary heat controls
- Condensate drainage
- Refrigerant-related components
How Much Does Heat Pump Repair Cost?
Heat pump repair starts with a $75 diagnostic ($99 evenings, weekends and holidays), and you approve a flat-rate price before any work starts. Once testing is complete, we explain the recommended repair and the condition of the overall system. If replacement offers better long-term value, Pure Comfort provides free in-home estimates.
Financing and incentive programs may be available for qualifying heat-pump installations. Current terms and eligibility are confirmed during the estimate.
Financing
Projects Over $2,000
Longer terms with interest for lower monthly payments, subject to credit approval. If replacement makes more sense, select Lennox systems qualify for 0% APR during Lennox promotions.
Free
Replacement Estimates
If replacement makes more sense, the in-home estimate is free, in writing and with no obligation.
Heat Pump Service for Local Homes
Streamwood-area heat pumps must perform through humid cooling weather, shoulder seasons and winter cold. Local experience helps us evaluate defrost behavior, backup heat, duct capacity and thermostat setup in the context of the home’s actual comfort concerns.
Pure Comfort also maintains a project library of completed heat-pump installations, supporting service with first-hand installation knowledge.
Real Reviews. Real Comfort.
When you need HVAC due to an unexpected event you want someone who not only can provide the service you need….
Great service. Very professional. They try all avenues to resolve issues with equipment. Always a pleasure to work….
Had an issue with the thermostat reading erroneously, as soon as I contacted Pure Comfort, they got back….
Our serviceman, Gene, was very responsive, professional and thorough. He explained each aspect of the issue clearly and….
I called them at 7am with no heat, the only available spot they had was in the afternoon, 5 minutes later they called….
Gene was professional, on-time, very friendly and did a thorough job inspecting our A/C unit. He also checked….
Quick and honest service and advice last minute on a Sunday. Clean crew and equipment. Gene was a knowledgeable….
Gene did not give up on the problem. It was a crazy situation but he never gave up found the problem and fixed it. Thank you….
Furnace wasnt working. Called Pure Comfort after hours and they came right out and helped me. The furnace….
Very professional, definitely knowledgeable had the furnace fixed in 10 minutes. I can honestly say I trusted Gene….
Heat Pump Repair FAQs
Why is my heat pump blowing cool air in heating mode?
Heat-pump air can feel cooler than furnace air, but noticeably cold air may involve controls, refrigerant operation, airflow or backup heat.
Is frost on the outdoor unit normal?
Light frost can be normal. Heavy ice that remains after defrost may signal a sensor, control, airflow or refrigeration problem.
Why does auxiliary heat keep running?
Very cold weather, thermostat settings, low heat-pump output or a system problem can bring on auxiliary heat.
Why will the heat pump not switch between heating and cooling?
The thermostat, reversing valve, controls or wiring may be involved.
Do you repair systems installed by other companies?
Yes. Pure Comfort services major heat-pump brands.
When should I replace rather than repair?
We compare the failure with system age, condition, history, refrigerant, warranty and overall performance.
Heat Pump Repair Across the Northwest Suburbs
Based in Streamwood and servicing heat pumps throughout the surrounding communities. Pick your town to see local details, or give us a call and we will tell you straight away whether your address is in range.
Not on the list? We cover much of the northwest suburbs, so call and we will confirm your address in a minute.
Restore Year-Round Comfort
Tell us which mode is causing trouble and what the system is doing. We will test it in that mode and give you a clear repair recommendation.
- You get a scheduled window and the technician's name
- We test in the failing mode rather than guessing at the symptom
- Replacement estimates are free, with no obligation
System down right now? Call us at (708) 515-4822. We answer the phone directly and can tell you what we can do and when.
Request Service or a Free Replacement Estimate
Pure Comfort Service at a Glance
| Item | Typical price or answer | Details |
|---|---|---|
| Diagnostic visit | $75 ($99 evenings, weekends and holidays) | Full-system check by a NATE-certified technician |
| Furnace repair | Most repairs $100 to $700 | Flat-rate price approved before work starts |
| AC repair | Most repairs $150 to $700 | Flat-rate price approved before work starts |
| Availability | Phones answered 24/7 | Same-day service is common |
| Service area | About 20 miles around Streamwood | Cook, Kane, DuPage and McHenry counties |
| Credentials | Lennox Premier Dealer | NATE-certified technicians, EPA 608, BBB Accredited, licensed Illinois LLC |
| Financing | 0% APR on select Lennox systems | During Lennox promotions; longer terms with interest on projects over $2,000 |
Pricing as of October 2026. Final price is quoted in writing before any work starts.
Licensed, certified and accredited
- Lennox Premier Dealer
- NATE-certified technicians
- EPA Section 608 certified
- BBB Accredited Business
- Licensed business in the Village of Streamwood
- Registered Illinois LLC
- Fully insured





