Savoy, IL Heat Pump Not Cooling? 5 Common HVAC Fixes

*Estimated Read Time: 10 minutes* When a heat pump not cooling ruins a muggy Champaign afternoon, you feel it fast. Before you sweat it out, here are the top causes and fixes. In many cases you can solve airflow or thermostat issues in minutes. If the problem involves refrigerant, controls, or the outdoor unit, our team can get you comfortable again the right way. Keep reading for five proven reasons your system falls behind and what to do next, plus a savings tip for maintenance. ## 1) Airflow is restricted by a dirty filter or blocked return If your heat pump feels like it is running but the air is weak or lukewarm, start with airflow. A clogged filter, a closed supply register, or a blocked return starves the indoor coil of air. The result is poor heat transfer and longer run times that never catch up. What to do now: 1. Replace or clean your filter. Check monthly during peak season. Most homes need a fresh filter every 30 to 60 days. 2. Open all supply registers and confirm nothing is blocking returns, including furniture and rugs. 3. Look at the indoor coil if accessible. Heavy dust or ice indicates deeper issues that need professional service. Pro tip: Filter and coil maintenance have a dramatic impact on performance and service life. Lanz recommends professional tune-ups twice a year, in spring and fall, to keep airflow settings correct and coils clean. When to call: If airflow still seems weak, you may have a duct leak, a failing blower motor, or a misadjusted fan speed. Our technicians verify airflow by measurement, inspect ducts, and seal leakage so your system moves the right amount of air. ## 2) Thermostat, controls, or settings are wrong Heat pumps rely on correct thermostat settings and safe electrical controls. If the thermostat is set to Heat or the fan is set to On, you can feel warm or tepid air moving even when the system should be cooling. Try these quick checks: 1. Set the thermostat to Cool and Auto, then select a setpoint at least 5 degrees below room temperature. 2. Replace thermostat batteries if you see a low-battery indicator. 3. Verify the schedule is not overriding your setting. Behind the scenes, control boards and safety switches keep modes from overlapping. During maintenance, Lanz technicians verify correct electric control so heating is locked out when cooling is called and vice versa. We also check thermostat operation and tighten electrical connections to prevent nuisance failures. When to call: If the display is blank, short cycling continues, or the outdoor unit never starts, you likely need a control diagnosis. ## 3) Low refrigerant charge or a refrigerant leak A heat pump that runs nonstop without cooling can be low on refrigerant. Low charge causes low pressure, coil icing, and higher energy bills. Topping off blindly is not a fix. The only right approach is to find and repair the leak, then charge the system by measurement. Signs of a refrigerant problem: 1. Ice on the indoor or outdoor coil. 2. Hissing or bubbling at the line set. 3. Longer run times and rooms that never reach setpoint. What the pros do: Lanz verifies correct refrigerant charge by measurement, checks for leaks, and confirms superheat and subcooling to the manufacturer spec. We also inspect electric terminals, clean and tighten connections, and apply non-conductive coating where needed. Restoring charge to spec is essential to protect your compressor and recover capacity. When to call: Stop the system if you see ice buildup. Running while frozen can damage the compressor. Schedule a same-day visit. Our 24/7 emergency service has no additional fee for after-hours. ## 4) The outdoor unit is dirty, blocked, or in defrost Your outdoor unit must breathe. Grass clippings, cottonwood, and lawn furniture trap heat at the coil, so the system cannot reject heat to the outside air. On humid Champaign–Urbana days, even a mild blockage can cut capacity. DIY steps: 1. Shut off power. Remove leaves and debris around the unit. 2. Gently hose the coil from the inside out if the panel design allows access. Avoid high pressure. 3. Keep 18 to 24 inches of clear space around the cabinet. Note on defrost: Heat pumps sometimes pause and blow room-temperature air while the outdoor coil defrosts. That is normal in heat mode during winter, but if you feel warm air in summer cooling mode, something is mis-sequenced. Selecting equipment with demand-defrost control helps optimize performance and reduce energy use. Lanz configures and tests defrost functions so cooling does not get interrupted. When to call: If the fan runs but the compressor does not, the capacitor, contactor, or compressor could be at fault. A technician can diagnose safely. ## 5) System selection, age, or installation issues If your heat pump never truly kept up, you may have a sizing or duct design problem. Homes around the Illinois prairie vary widely, from tight new builds in Savoy to draftier older homes near downtown Champaign. Undersized units or leaky ducts force long cycles with poor comfort. What we look at during a professional evaluation: 1. Load calculation for your home, not a rule of thumb. 2. Duct leakage and static pressure. We diagnose and seal duct leakage and verify adequate airflow by measurement. 3. Equipment condition and features. Variable-speed motors, two-stage compressors, scroll compressors, and quiet outdoor sound ratings improve cooling performance and comfort. If your system is aging out, modern high-efficiency heat pumps can be paired with indoor air quality upgrades and ductless or dual-fuel options that handle Champaign summers and cold snaps. Ground-source geothermal systems are even more efficient and economical to operate in many cases. ## Quick checklist before you call a pro 1. Confirm thermostat is in Cool and Auto. 2. Replace or clean the air filter. 3. Open all registers and clear returns. 4. Inspect the outdoor unit for debris and clear 18 to 24 inches around it. 5. If you see ice on coils, turn the system off and call for service. ## Why Lanz is the safe choice for a fast fix - Twice-yearly professional maintenance recommended in spring and fall to prevent breakdowns. - Flat-rate pricing, so you approve the work with no surprises. - 24/7 emergency response with no additional after-hours fee. - Trane Comfort Specialist and Mitsubishi Diamond Dealer for premium equipment and support. Our tune-up includes inspecting ducts, filters, blower, and coils, checking for refrigerant leaks, verifying refrigerant charge and airflow by measurement, lubricating motors, inspecting belts, and confirming correct electric control and thermostat operation. These steps restore capacity and protect your system during Champaign’s humidity swings and Big Ten game day crowds when your home stays busy. ## Special Savings for Heat Pump Owners Join the Lanz Comfort Family and save on service today: - Blue Membership: 15% off service repairs and system upgrades, plus priority scheduling. - Orange Membership: 25% off service repairs and system upgrades (excludes new equipment installs). Members also receive twice-yearly HVAC maintenance. Ask about adding an extra heat pump or mini-split for just a small monthly amount per unit. Call 217-559-9454 or visit https://lanzinc.com/ to enroll and start saving on your next repair. ## What Homeowners Are Saying > "My husband and I have been loyal customers of Lanz, Inc. since 2011... twice yearly inspection... I am just as confident in the equipment today as I was when it was first installed." > –Ronda R., Heat Pump Maintenance > "The Lanz team installed our new furnace and heat pump in one day in a very tricky location under the house... We highly recommend Lanz!" > –Marcy S., Heat Pump Installation > "Lanz has the best heating and cooling technicians in the Champaign area... Drew even came out on a Sunday... I highly recommend them!!!" > –Edward M., Champaign Area > "Our new Trane system keeps us comfortable all the time, and it's so quiet that we could almost forget it's even there!" > –Gloria I., Trane Heat Pump ## Frequently Asked Questions ### Why is my heat pump not cooling but the fan is running? The fan can run with a dirty filter, low refrigerant, or a blocked outdoor coil. Set to Cool and Auto, replace the filter, clear debris, and call if issues persist. ### How often should I service my heat pump in Champaign–Urbana? Twice a year. Schedule professional tune-ups in spring and fall, and check or change filters monthly during the cooling season. ### Should I turn off my heat pump if I see ice on the coil? Yes. Turn it off to protect the compressor. Ice signals airflow or refrigerant problems. Schedule service for proper diagnosis and measured recharge. ### Is it worth upgrading to a variable-speed heat pump? Often yes. Variable-speed motors and two-stage or inverter compressors improve comfort, humidity control, and efficiency while reducing noise. ### What noise level should I look for in a new outdoor unit? Choose models with strong sound ratings and proper installation clearances. Your consultant can compare options and select a quiet system for your home. ## The Bottom Line A heat pump not cooling usually comes down to airflow, controls, refrigerant, outdoor blockage, or design and age. Quick filter and thermostat checks often help, and pro tune-ups in spring and fall prevent most breakdowns. For fast, flat-rate repairs in Champaign, Urbana, Mahomet, Savoy, and nearby, call the team at Lanz. ## Ready to Get Comfortable Again? Call 217-559-9454 or schedule at https://lanzinc.com/. Mention the Comfort Family to save 15% to 25% on eligible repairs and upgrades. Prefer to chat? Use our website to message a live representative now. Call 217-559-9454 or book now at https://lanzinc.com/ to restore cooling today. Ask about Comfort Family memberships for 15% to 25% off eligible repairs and upgrades. ## About Lanz Plumbing, Heating & Cooling, Inc. Since 2002, Lanz has served Champaign–Urbana with flat-rate pricing, and 24/7 emergency service with no after-hours fee. We are a Trane Comfort Specialist and Mitsubishi Diamond Dealer, and we back our work with a 100% satisfaction guarantee. Our Comfort Family memberships include twice-yearly HVAC maintenance, priority scheduling, and discounts. From high-efficiency heat pumps and ductless systems to indoor air quality and geothermal, we deliver dependable results across Champaign, Urbana, Mahomet, Savoy, and nearby communities.

Champaign, IL Heat Pump Costs 2025 — HVAC Installation & Replacement

*Estimated Read Time: 10 minutes* Thinking about a new system and wondering about heat pump installation cost? This 2025 guide explains real-world pricing for the Champaign area so you can budget with confidence. You will see what drives the price, how to compare quotes, and where rebates and financing can lower your out-of-pocket. If you are replacing an aging AC and furnace, we cover dual-fuel options too. Ready for exact numbers for your home? We can help the same day. ## Average Heat Pump Installation Cost in 2025 Most Central Illinois homeowners invest between $7,500 and $18,000 for a professionally installed air-source heat pump. The total depends on capacity, efficiency, brand tier, and any electrical or duct upgrades. Premium variable-speed systems with advanced features and a smart thermostat often land between $14,000 and $22,000 installed. Geothermal systems cost more upfront but can deliver the lowest operating cost. Price ranges to expect in 2025: 1. Standard air-source, single or two-stage: $7,500 to $12,500 installed 2. High-efficiency variable-speed air-source: $12,000 to $22,000 installed 3. Ductless mini-split, single zone: $4,500 to $8,500 installed 4. Ductless multi-zone: $9,000 to $18,000 installed 5. Dual-fuel heat pump with gas furnace backup: $10,500 to $20,000 installed 6. Geothermal ground-source: $25,000 to $45,000 installed These are ballpark figures for Champaign County homes. The exact number requires a load calculation, site visit, and an itemized proposal. ## What Drives Heat Pump Price Your final price is a sum of equipment plus labor plus any required upgrades. The biggest drivers are: 1. Capacity in tons - Larger homes and poorly insulated houses need more capacity. Most homes fall between 2 and 5 tons. 2. Efficiency level - Higher SEER2 and HSPF2 ratings reduce operating cost but add equipment cost. 3. Compressor and fan technology - Variable-speed and two-stage systems cost more than single-stage but deliver better comfort and quiet. 4. Ductwork condition - Leaks, undersized trunks, or missing returns increase labor. Sealing and balancing can be a smart add. 5. Electrical upgrades - New breakers, dedicated circuits, or line-set work can add cost. 6. Controls and accessories - Smart thermostats, whole-home filtration, and dehumidification improve comfort and air quality. 7. Installation complexity - Crawlspaces, attic units, or tight yards can increase labor time. Local note: Many homes near the University of Illinois and in older Champaign neighborhoods have mixed duct conditions and limited electrical capacity. Planning for modest duct sealing and a panel check avoids surprises. ## Air-Source vs. Ductless vs. Geothermal Choosing the right type is key to total cost of ownership. - Air-source split systems - Best for whole-home replacements. Broadest rebate eligibility. Quiet models can be nearly whisper level. - Ductless mini-splits - Great for additions, bonus rooms, or homes without ducts. Flexible multi-zone setups reduce remodeling cost. - Geothermal ground-source - Highest efficiency and very low operating cost. Higher initial price due to loop field. Consider if you plan to stay long term. From the Lanz site recommendations, look for advanced features that boost comfort and savings: - Two-speed or variable-speed compressors for steady temperatures - Variable-speed indoor blower motors for quieter airflow - Demand-defrost controls to limit energy waste - Outdoor sound rating of 7.6 decibels or lower - Scroll compressors for reliability ## Heat Pump Replacement vs. New Installation Replacement is typically faster and costs less than a first-time install because refrigerant lines, pad location, and ductwork may be reusable. Expect added cost if: - Your line set is the wrong size or contaminated - The evaporator coil must be replaced for refrigerant compatibility - The electrical service needs upgrades - Duct sizing or returns are inadequate for proper airflow Tip from our maintenance checklist: correct airflow is essential. We verify ducts, filters, blower, and coil cleanliness, measure airflow, and confirm the refrigerant charge. This protects your investment and helps the new system hit its efficiency targets. ## Dual-Fuel Heat Pumps for Central Illinois Winters A dual-fuel setup pairs a high-efficiency heat pump with a high-efficiency gas furnace to handle extreme cold. You heat with the heat pump most of the season, then switch to gas on the coldest days. Benefits include: - Lower heating bills than a gas-only system for much of the winter - Strong comfort in sub-freezing snaps with automatic switchover - Redundancy for peace of mind during storms along I-57 Installed cost usually runs $10,500 to $20,000 depending on size and efficiency. This option is popular in Urbana and Mahomet where older ducts can limit airflow at very low outdoor temperatures. ## Ductless Mini-Split Pricing Ductless systems control temperature room by room. A single-zone unit for a sunroom or attic often runs $4,500 to $8,500 installed. Multi-zone systems with 3 to 4 indoor heads typically land between $9,000 and $18,000. What changes the price: - Number and style of indoor heads - Line-set length and concealment needs - Electrical run and condensate routing - Cold-climate rated outdoor units for better low-temp performance Many Champaign bungalows choose ductless to avoid invasive duct remodeling. Variable-speed technology keeps rooms quiet and comfortable. ## Geothermal Heat Pump Costs Ground-source heat pumps deliver outstanding efficiency by using the earth as a heat source and sink. Installed cost with loop field commonly ranges from $25,000 to $45,000. Homeowners choose geothermal when they want: - Lowest long-term heating and cooling costs - Exceptional comfort and quiet - Stable performance during extreme weather The Lanz team installs and services geothermal systems and can review loop options for your lot. ## Itemized Estimate: What a Transparent Quote Includes A professional, flat-rate quote from Lanz typically outlines: 1. Load calculation and system sizing 2. Equipment model numbers and efficiency ratings 3. Scope of labor, including line-set, drain, pad, and recovery 4. Electrical and ductwork modifications, if needed 5. Thermostat and control strategy 6. Indoor air quality options and filter type 7. Permits and code compliance 8. Warranties and satisfaction guarantee 9. Rebates, tax credits, and financing options We provide clear pricing so you know exactly what you are paying for before work begins. ## 2025 Rebates, Tax Credits, and Financing You may be eligible for incentives that reduce upfront cost: - Federal tax credit 25C - Up to $2,000 credit for qualifying heat pumps in 2025. Consult your tax advisor. - Utility rebates - Many Illinois utilities offer rebates for high-efficiency heat pumps. Programs change often. We help you apply. - Manufacturer promotions - Seasonal offers from brands like Trane and Mitsubishi can stack with utility savings. - Financing - Lanz offers financing options to spread payments over time, subject to credit approval. Our team will identify all active incentives available to your address. ## Operating Cost and Comfort Considerations A properly sized heat pump can cut heating costs compared to a gas-only system for much of the season. Efficiency features that matter in Central Illinois: - Variable-speed compressor for smooth, steady heating and fewer temperature swings - Demand-defrost to minimize icy coil energy loss - Quiet outdoor unit to keep neighbors happy on tight Urbana lots Maintenance matters. Our guidance is simple: - Schedule professional tune-ups twice a year in spring and fall - Clean or change filters monthly or as needed - Verify airflow and refrigerant charge during service These steps protect your warranty and ensure the system runs at peak performance. ## How Lanz Ensures a Right-Sized, Code-Compliant Install We follow a rigorous checklist on every job: - Inspect ducts for leakage and seal where needed - Measure airflow to confirm the design target - Verify refrigerant charge and check for leaks - Inspect and tighten electrical connections, applying non-conductive coating when needed - Lubricate motors and inspect belts - Confirm thermostat operation and proper heat-cool lockouts Our experienced specialists install all brands and models and stand behind the work with a 100 percent satisfaction guarantee. We offer 24/7 emergency service with no extra after-hours fee. ## How to Compare Heat Pump Quotes Apples to Apples Use this quick checklist when you receive proposals: 1. Are the model numbers and efficiency ratings listed? 2. Is a Manual J or equivalent load calculation included? 3. Is duct sealing or resizing addressed if static pressure is high? 4. Are electrical upgrades itemized, including breakers and disconnects? 5. Does the price include permits and disposal of old equipment? 6. What are the labor and manufacturer warranties? 7. Who handles rebates and paperwork? 8. Is maintenance included or discounted in year one? Getting these details in writing protects your budget and comfort. ## When to Repair vs. Replace Replacement often makes sense if: - Your system is 12 to 15 years old and needs major repairs - Refrigerant is obsolete or leaking - Energy bills are rising and comfort is declining - You want smart-home control, better filtration, or higher efficiency We repair all makes and models, even if we did not install them. If a repair is the better value, we will say so. ## Local Factors That Affect Price in the Champaign Area - Basement and crawlspace access can extend install time - Corner lots with limited set-back may need a low-sound outdoor unit - Older homes near West Side Park often require return-air upgrades - Rural properties outside Savoy may need longer electrical runs These local details are part of our on-site assessment so your quote matches the real scope. ## Sample Investment Scenarios - 2,000 sq ft Champaign ranch, standard air-source replacement - 3 ton two-stage system with smart thermostat, minor duct sealing: $10,500 to $13,500 before incentives - 2,400 sq ft Mahomet two-story, variable-speed upgrade - 4 ton variable-speed with high-efficiency coil, electrical upgrade, and media filter: $15,500 to $19,500 before incentives - 1,200 sq ft Urbana bungalow, single-zone ductless - Cold-climate wall-mount head for upstairs bedroom: $5,500 to $7,500 before incentives Your home and goals may differ, but these give a sense of current market pricing in 2025. ## Why Homeowners Choose Lanz for Heat Pump Projects - Highly trained technicians and advanced training - Trane Comfort Specialist and Mitsubishi Diamond Dealer partnerships - Flat-rate pricing and 24/7 emergency service with no after-hours fee - One contractor for air-source, ductless, and geothermal - Twice-a-year maintenance recommendations that extend system life - 100 percent satisfaction guarantee We design for comfort, efficiency, and quiet. Then we back the work long after install day. ## What Homeowners Are Saying > "Lanz installed a new heat pump system in our house, and we were so pleased with the prompt service and the quality results. Their installers are skilled and courteous. Our new Trane system keeps us comfortable all the time, and it's so quiet that we could almost forget it's even there!" > –Gloria I., Heat Pump Installation > "I recently had to replace my furnace and heat pump. I have been happy with Lanz’s service in the past but also wanted to receive several other estimates. Michael Savage thoroughly evaluated my home and recommended a system that is far superior to my old one. The installation (Kevin) and follow-up (Thomas) have been terrific and I am very happy with the entire experience. Highly recommend." > –Jason F., Heat Pump Replacement > "Lanz has the best heating and cooling technicians in the Champaign area. They are all very knowledgeable, friendly, and perform excellent services to my heat pump system. Drew even came out on a Sunday this past summer when my air-conditioning went out one weekend! I have used them for three years now and will continue to use Lanz for all my heating and cooling needs in the future! I highly recommend them!!!" > –Edward M., Champaign > "The Lanz team installed our new furnace and heat pump in one day in a very tricky location under the house. The team was very professional and did a great job. After the installation a team member arranged to follow up and double check the system to be sure it was running correctly and to answer any questions. We highly recommend Lanz!" > –Marcy S., Heat Pump Installation ## Frequently Asked Questions ### How much does a heat pump cost to install in 2025? Most Champaign area installs range from $7,500 to $18,000 for air-source systems, depending on size, efficiency, and needed upgrades. Ductless single-zone is often $4,500 to $8,500. ### Are there 2025 heat pump tax credits or rebates? Yes. The federal 25C credit offers up to $2,000 for qualifying heat pumps. Many Illinois utilities also offer rebates. We help you apply. ### What size heat pump do I need for my home? Size depends on a load calculation that considers insulation, windows, and ductwork. Most homes use 2 to 5 tons. We calculate before we quote. ### Do heat pumps work in Central Illinois winters? Yes. Modern cold-climate and dual-fuel systems perform well in sub-freezing weather. Dual-fuel switches to gas on the coldest days. ### How often should my heat pump be serviced? Schedule professional tune-ups twice a year in spring and fall, and change filters monthly or as needed to maintain performance. ## Bottom Line Heat pump installation cost comes down to size, efficiency, and the work needed to bring your home up to spec. In 2025, most air-source installs land between $7,500 and $18,000 in the Champaign area, with ductless and dual-fuel options to fit different homes and goals. Ready for a precise quote and a right-sized design? ## Call to Get Exact Pricing Today Call Lanz Plumbing, Heating & Cooling at 217-559-9454 or schedule at https://lanzinc.com/. We will provide a flat-rate, itemized proposal, confirm rebates and the federal 25C credit, and back your install with a 100 percent satisfaction guarantee. ## Get Your Free In-Home Estimate Speak with a comfort advisor today. Call 217-559-9454 or book online at https://lanzinc.com/. Same-day visits are often available in Champaign, Urbana, Savoy, Mahomet, Danville, Rantoul, Monticello, Saint Joseph, Tuscola, and Clinton. ## About Lanz Plumbing, Heating & Cooling, Inc. Lanz has served Champaign area homeowners since 2002 with experienced technicians, flat-rate pricing, and a 100 percent satisfaction guarantee. We are a Trane Comfort Specialist and Mitsubishi Diamond Dealer, offering 24/7 emergency service with no after-hours fee and convenient financing. Our Lanz Comfort Family provides priority scheduling and seasonal maintenance. From ductless and geothermal to whole-home air quality, we bring the right solution for Central Illinois homes.

Heat Pump in Greater Champaign Area

Q: Why Is My Heat Pump Not Cooling on Hot Days?

A heat pump not cooling on hot days usually means there’s a problem with refrigerant charge, airflow, controls, or the reversing valve. The most common cause we see is low refrigerant from a leak, which prevents heat from being absorbed and moved outside. Other frequent culprits include a clogged filter or dirty indoor/outdoor coil restricting airflow, a thermostat or control issue keeping the system from switching modes, a stuck reversing valve leaving the unit in heat, or a compressor/contactor fault that stops proper operation. A technician will verify airflow, measure the refrigerant charge, check for leaks, inspect electrical connections, and confirm thermostat and control operation per our standard checklist. We handle these exact issues across the Danville area and also offer flat-rate pricing with 24/7 emergency service. Try these quick checks before you call: - Replace or clean the air filter if it’s dirty. - Confirm the thermostat is set to Cool and a lower temperature than the room. - Clear leaves or debris from around the outdoor unit so air can move freely. If cooling doesn’t return after these checks, turn the system off and schedule a professional diagnosis to prevent further damage. Updated: 2026-04-01 Need help in Danville, IL? Call 217-559-9454 or book online.

Q: What is the average lifespan of a heat pump system?

A heat pump’s lifespan varies with maintenance, installation quality, and run time. In Champaign and Urbana, our technicians perform maintenance visits or tune-ups to verify airflow, refrigerant charge, electrical connections, and thermostat operation. Rather than a single annual visit, we recommend twice-annual maintenance checks designed to account for both heating and cooling demands. Monthly filter care and clean coils have a dramatic impact on performance and service life. We also diagnose and seal duct leaks to reduce strain. Quick checks: * Schedule professional service at least once a year. * Clean/replace filters monthly; keep the outdoor unit clear of debris and landscaping materials. Updated: 2025-12-09 00:00:00 Need help in Champaign, IL? Call 217-559-9454 or book online.

Q: What Is The Average Cost To Service A Heat Pump Annually?

There isn’t a single “average” annual price listed on our site. Your cost depends on the system, its age, and what the visit includes. We use flat-rate pricing, and a technician will confirm costs on site. Many customers join our Lanz Comfort Family for savings and twice-yearly tune-ups. We service all brands and offer 24/7 emergency response with no after-hours fee. Typical maintenance checks include refrigerant charge, airflow, electrical terminals, belts, motors, and filter/coil care. Updated: 2025-11-24 Need help in Saint Joseph, IL? Call 217-559-9454 or book online. "Our new Trane system keeps us comfortable all the time, and it's so quiet that we could almost forget it's even there!" — Gloria I.

Q: Can I service my heat pump myself safely and effectively?

You can handle basic heat pump upkeep, but full servicing should be done by a pro. Change or clean filters monthly. Keep the outdoor unit clear and protected from high winds. Professional annual service is recommended to measure airflow and refrigerant charge, check for leaks, seal ducts, inspect electric terminals, and verify controls and thermostat operation. DIY refrigerant or electrical work is not safe and can harm efficiency. Quick checks you can do: - Replace/clean filters monthly. - Clear debris around the outdoor unit. - Follow the manufacturer’s care instructions. Updated: 2025-12-18 00:00:00 Need help in Mahomet, IL? Call 217-559-9454 or book online. "Lanz installed a new heat pump system in our house, and we were so pleased with the prompt service and the quality results." — Gloria I.

Need reliable heat pump service with clear pricing? We repair, replace, and maintain heat pumps and mini splits with flat-rate pricing and same-day help. Serving the Greater Champaign area, including Champaign, Urbana, and Danville. Our Trane Comfort Specialist and Mitsubishi Diamond Dealer team earns a 4.9 rating from 2,906 reviews. As a local, family-owned company since 2002, we make it easy and stress-free. Call or schedule online today.

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Why Choose Us

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Trane Comfort Specialist and Mitsubishi Diamond Dealer

Proven local team

Family-owned since 2002 with 90 trucks and 115+ staff

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4.9 rating from 2,906 reviews

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What Our Customers Say

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“My mini split was up and running in no time.”

5.0
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“Prompt service and quality results. The system is so quiet.”

5.0
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“Installed our furnace and heat pump in one day. Very professional.”

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Frequently Asked Questions

Why Is My Heat Pump Running But Not Cooling Properly?

A heat pump that runs but won’t cool usually has restricted airflow, an incorrect thermostat setting, dirty coils or filters, or a refrigerant issue. Change or clean the filter monthly. Our EPA-certified techs measure airflow, verify refrigerant charge, check for leaks, tighten electrical terminals, and confirm thermostat operation. Schedule tune-ups twice a year in spring and fall to prevent cooling loss. We service all brands in Champaign and Urbana.

Quick checks:

Set thermostat to Cooling and lower the setpoint.
Replace/clean the air filter.
Keep indoor vents and the outdoor unit clear of obstructions.

Updated: 2025-11-04

Need help in Champaign, IL? Call 217-559-9454 or book online.

"We highly recommend Lanz!" — Marcy S.

Why Is My Heat Pump Not Cooling on Hot Days?

What is the average lifespan of a heat pump system?

What Is The Average Cost To Service A Heat Pump Annually?

Can I service my heat pump myself safely and effectively?

Still have questions?

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