Top 10 Questions to Ask Your HVAC Salesman Before Replacing Your System

Replacing your home’s HVAC system is one of the biggest investments you’ll make as a homeowner. Whether your current system is on its last leg or you’re just planning ahead, asking the top 10 questions to an HVAC salesman can save you thousands — and ensure you get the comfort, performance, and peace of mind you’re paying for.

At Yarbrough & Sons Heating, Cooling & Plumbing, we’ve helped thousands of Oklahoma homeowners make smart, confident decisions. Here are the 10 questions we recommend asking every HVAC salesperson before signing on the dotted line.

▶️ Watch the Full Video Below:

We break it all down — with practical advice, HVAC red flags, and what to expect when shopping for a new system.

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✅ 1. What Size HVAC System Do I Need — and How Do You Determine That?

Size matters — and bigger isn’t always better.
Your HVAC pro should perform a heat load calculation that factors in your square footage, insulation, ductwork, and layout — not just rule-of-thumb estimates. Improper sizing leads to comfort issues, high energy bills, and premature wear.

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✅ 2. What Efficiency Rating Do You Recommend — and Why?

HVAC systems are rated by SEER (cooling) and AFUE (heating) to measure efficiency.
Higher ratings can lower your monthly bills, but come with a higher upfront cost. A good contractor will help you find the sweet spot between long-term savings and realistic budget.

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✅ 3. What’s Included in the Quote?

Don’t assume anything.
Ask if the quote includes:

• Labor
• Permits
• Thermostat
• Ductwork adjustments
• Removal/disposal of the old system
  Transparency here tells you everything about the company’s integrity.

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✅ 4. What Brand Do You Recommend — and Why?

Surprise: the brand matters less than the installer’s skill.
In fact, studies show that 80% of system performance is determined by the installation. So while brand differences do exist, your focus should be on who’s doing the work — not just the logo on the box.

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✅ 5. What Warranties Are Included?

Understand both:

• Equipment warranties (manufacturer coverage on parts like the compressor or heat exchanger)
• Labor warranties (coverage for workmanship or service)

Ask if extended warranties are available and what they cost — it may be worth it for long-term peace of mind.

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✅ 6. Do I Need New Ductwork?

Old or undersized ductwork can choke the performance of even the best system.
Your salesperson should inspect your ducts, measure airflow, and evaluate their condition. Replacing outdated or damaged ductwork upfront can save you a lot of trouble later.

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✅ 7. What Maintenance Is Required — and Do You Offer Service Plans?

Most manufacturers require annual maintenance to keep warranties valid.
Look for companies that offer maintenance plans with seasonal checkups. This shows they’re committed to a long-term relationship — not just a one-time sale.

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✅ 8. Do You Offer Financing?

A new HVAC system can cost $8,000–$20,000+.
Reputable companies offer financing options to help make that investment more manageable. Ask about rates, terms, and whether they work with local lenders or national programs.

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✅ 9. How Will This System Impact My Energy Bills?

Your new system should be more efficient — but by how much?
Ask your HVAC salesperson to estimate your energy savings based on your current usage. It’s also worth asking if local utility rebates are available for high-efficiency upgrades.

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✅ 10. Can You Provide References or Customer Reviews?

Before they step foot in your home, check their Google reviews.
Don’t just skim the 5-star ratings — look at the 1-stars and how the company responds. A good reputation online usually reflects what kind of service you’ll get in your living room.

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🛠️ Bonus Tip: Comfort Isn’t One-Size-Fits-All

Every home is different. Every HVAC system should be, too.
A knowledgeable, trustworthy HVAC professional will take the time to assess your space, explain your options clearly, and answer every question without pressure.

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📍 Get Honest HVAC Advice in the Oklahoma City Metro

At Yarbrough & Sons Heating, Cooling & Plumbing, we’ve been helping Oklahoma homeowners make smart HVAC decisions since 1988. Whether you’re upgrading to a high-efficiency system or replacing old ductwork, we’re here to walk you through the process — no gimmicks, just straight answers.

📞 Ready for a quote? Call (405) 309-3470 or book a visit online today.

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HVAC Average Price Range by Tonnage:

• 1.5 Ton: $8,000 – $16,000
• 2 Ton: $8,000 – $16,000
• 2.5 Ton: $8,500 – $18,000
• 3 Ton: $9,000 – $18,500
• 3.5 Ton: $9,500 – $21,000
• 4 Ton: $10,500 – $21,500
• 5 Ton: $11,500 – $23,000
• View financing options

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Locations:

• 122 S Main Ave, Blanchard, OK 73010
• 3601 South Broadway #300, Edmond, OK 73013