The No-Nonsense Checklist for Buying a New Air Conditioner
- Efficient HVAC
- May 13
- 2 min read
Choosing a new air conditioner isn’t like picking up coffee on your way to work—it’s a major decision that impacts your comfort, energy bills, and home value for years. And with Tennessee heat creeping in, there’s no time for trial and error.
Here’s a straightforward checklist to help you make a smart, stress-free choice.
1. Choose the Right Type of System
Not all AC systems are created equal. Your home’s layout, existing setup, and comfort goals all play a role.
Central Air Systems – Ideal for homes with existing ductwork. Even cooling throughout the house.
Split Systems – One outdoor unit, one indoor unit. Efficient and flexible, great for upgrades.
Packaged Units – All-in-one systems often used when indoor space is tight.
Ductless Mini-Splits – Perfect for homes without ducts or for targeted room-by-room cooling.
Quick Tip: Struggling with hot spots or a bonus room that never stays cool? Ductless might be your answer.
2. Get the Size Right
Too small, and your system works overtime. Too big, and it short cycles, driving up costs and leaving you uncomfortable.
The only way to size it right? A Manual J Load Calculation, which factors in:
Home size
Insulation
Sun exposure
Window type
Local climate
Quick Tip: Don’t guess based on square footage alone. Proper sizing ensures comfort and efficiency.
3. Prioritize Energy Efficiency
Efficiency saves money—plain and simple. The key rating is SEER (Seasonal Energy Efficiency Ratio).
14–16 SEER – Basic efficiency
17+ SEER – High-efficiency systems with better long-term savings
Quick Tip: Ask about rebates—many high-SEER units qualify for local utility incentives.
4. Inspect Your Ductwork
If your ducts are old, leaky, or dirty, your new AC won't perform like it should.
Leaky ducts = wasted air = higher bills
Quick Tip: Have your ductwork inspected before installing a new system. In some cases, switching to a ductless option makes more sense.
5. Look for Smart Features
Modern AC units do more than cool. Look for features that enhance comfort and control:
Quiet operation
Air purification
Smart thermostat compatibility
Humidity control
Quick Tip: Choose features that offer long-term value, not just convenience.
6. Consider the Total Cost
It’s not just about the unit price. Think bigger picture:
Installation quality affects performance and lifespan
Monthly energy savings from efficient models
Maintenance ease and long-term serviceability
Warranty coverage—aim for at least 10 years on parts (* We offer a two year Labor warranty as well that sets us apart from other HVAC Companies)
Quick Tip: A slightly higher upfront cost can lead to big savings over time.
7. Work With a Professional You Trust
The right contractor will assess your home, explain your options, and install the system correctly the first time. Don’t risk comfort and efficiency with a cut-rate install.
Beat the Heat with Efficient Heating & Cooling
At Efficient Heating & Cooling, we help homeowners throughout Middle Tennessee choose and install AC systems built for real comfort. Whether you’re replacing an aging system or installing new, our team offers:
Personalized system recommendations
Expert installation
Ongoing maintenance plans
Friendly, local service in Nashville, Brentwood, Franklin, Smyrna, Columbia, Spring Hill, Lebanon, Mt. Juliet, Cookeville, and more
📞 Call us today at 615-784-4424 or schedule your install online.
👉 Efficient Heating & Cooling—Smart AC solutions without the guesswork.