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Know What HVAC Replacement Should Cost Before You Call a Contractor

HVAC replacement is one of the most opaque home expenses — prices vary wildly and most homeowners don't know if they're getting a fair deal. Describe your system and home size, get a ballpark cost estimate, then connect with local HVAC contractors who provide real quotes — not high-pressure upsells.

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How It Works

Three steps from idea to contractor quote

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Upload Your Room

Take a photo of your current space and upload it. Any angle, any phone camera works.

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Describe Your Vision

Type what you want in plain English. No design skills required — the AI handles the rest.

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Get Contractor Quotes

Love the result? Send your AI design to local contractors who quote from your exact vision.

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HVAC Questions, Answered

Everything homeowners ask before starting their project

How much does AC replacement cost?
Central AC replacement typically costs $3,500–$7,500 for a standard 2–3 ton unit including installation. High-efficiency units (18+ SEER) run $5,000–$10,000. Mini-split systems cost $700–$2,000 per zone installed. Prices vary by region, home size, and whether ductwork needs replacement.
How much does furnace replacement cost?
Gas furnace replacement typically costs $2,500–$5,500 installed for a standard 80% efficiency unit. High-efficiency 96% AFUE furnaces run $3,500–$7,000. Electric furnaces cost $1,500–$4,000. Most installs take 4–8 hours and can be done in one day.
Heat pump vs. AC and furnace — which is better?
Heat pumps handle both heating and cooling in one system, making them more efficient in moderate climates. A heat pump typically costs $5,000–$10,000 installed. In very cold climates (below 10°F regularly), a gas furnace paired with AC is often more cost-effective. Modern cold-climate heat pumps now perform well down to -15°F.
How do I get HVAC quotes through Design Then Quote?
Describe your current system, home size, and what needs replacing. We'll match you with local licensed HVAC contractors who provide real written quotes — no high-pressure sales calls, no commitments. Compare quotes and pick the contractor that's right for your budget and timeline.
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