People Also Ask
The $5000 rule in HVAC is a guideline used to decide between repairing or replacing an air conditioning system. It suggests that if the cost of a repair multiplied by the age of the unit (in years) exceeds $5000, replacement is often the more economical long-term choice. For example, a $1000 repair on a 10-year-old unit (1000 x 10 = 10,000) would point toward replacement. This rule helps homeowners consider long-term value, factoring in that older systems are less efficient and more prone to future breakdowns. It is a simplified heuristic; a professional assessment of the system's overall condition, efficiency, and your specific needs is always recommended for a final decision.
The decision between replacing an evaporator coil or the entire HVAC unit depends on several factors. Generally, if the system is under 10 years old and the compressor is in good condition, replacing just the coil can be more cost-effective upfront, often costing 50-70% of a full replacement. However, for older systems (typically over 10-15 years), replacing the entire unit is usually the more economical long-term choice. This is because matching a new coil to an old condenser can reduce efficiency, and older remaining components are prone to failure. Furthermore, modern whole units offer significantly higher energy efficiency, leading to lower utility bills that can offset the higher initial investment. Always consult a professional for a detailed assessment of your specific system's age, condition, and compatibility.
The cost to have a professional clean your air conditioner's evaporator and condenser coils typically ranges from $100 to $400, with a national average around $150-$250. The final price depends on several factors: the type of system (central, mini-split, window unit), accessibility of the coils, the level of dirt and debris, and your geographic location. A standard residential central AC service call often includes a basic coil cleaning as part of a full system tune-up, which is a more comprehensive and recommended service. Regular professional cleaning is a critical maintenance task; it restores efficiency, lowers energy bills, prevents costly breakdowns, and extends the lifespan of the entire system. Always get a detailed estimate upfront.
The labor cost to replace an evaporator coil in an AC unit varies significantly based on location, system accessibility, and contractor rates. On average, you can expect labor to range from $500 to $1,500, with the total project cost, including the coil itself, often falling between $1,200 and $2,500. Labor is a major component because the job is intensive, typically requiring a technician to dismantle ductwork, remove the old coil, install the new one, pressure-test the system, evacuate air and moisture, and recharge it with refrigerant. Always obtain multiple detailed estimates, as prices can differ. Ensure the quote includes all labor, materials, and refrigerant, and verify the contractor is licensed and insured for such work.












