Making the AC Replacement Decision Confidently
Replacing your air conditioning system is a significant decision — both financially and in terms of long-term home comfort. Milwaukee homeowners who approach the decision with clear criteria and accurate information make better choices and avoid the twin pitfalls of replacing too soon (wasting money on a system that had years of service left) or waiting too long (paying for expensive repairs and high energy bills that replacement would have eliminated).
When to Replace Your AC: Clear Criteria
- Age over 15 years: Systems approaching or past 15 years of age face increasing failure risk and operate well below the efficiency of modern equipment
- R-22 refrigerant: The phase-out of R-22 refrigerant has made recharging older systems increasingly expensive; replacement eliminates this recurring cost
- Repair cost exceeding 50% of replacement: The industry-standard guideline for making the financial case for replacement over repair
- Persistent comfort problems: Inability to cool adequately, poor humidity control, or constant uneven temperatures that repair hasn't resolved
- Energy bills climbing year over year: Efficiency decline in aging systems directly translates to higher monthly costs
How to Replace Your AC: The Right Process
A properly executed AC replacement follows a specific process that protects your investment:
- Load calculation: A Manual J load calculation determines the correct cooling capacity for your home based on square footage, insulation, window area, and other factors. Proper sizing prevents the common mistake of oversizing — which creates humidity and short-cycling problems.
- Equipment selection: Choose based on efficiency rating (SEER), brand reliability, warranty terms, and your home's specific compatibility requirements. Your contractor should present options at different price and efficiency points.
- Ductwork evaluation: Before installing new equipment, existing ductwork should be evaluated for leaks, proper sizing, and cleanliness. New, high-efficiency equipment connected to leaky or improperly sized ductwork will never perform to its rated efficiency.
- Professional installation: Proper refrigerant charge, electrical connections, and system commissioning are critical for efficiency and reliability. Installation quality significantly affects system performance throughout its service life.
- Post-installation testing: Verify that the system achieves proper temperature differential, the refrigerant charge is correct, and all components operate within specification before the installation is considered complete.
Expert AC Replacement from Burkhardt
Burkhardt Heating, Cooling, Plumbing & Electric guides Milwaukee-area homeowners through AC replacement from evaluation to installation. Our NATE-certified technicians perform proper load calculations, present multiple equipment options, and complete installations with exacting professional standards. With 60+ years as a family-owned Milwaukee company, we deliver replacements that perform as promised. Call 414-206-3049 to schedule a replacement consultation. GreenSky financing is available, and we're available 24/7 for AC emergencies.
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