Live Pricing · Updated March 2026
Real installed prices for Southlake homeowners — from $9,440. No sales pitch, no hidden fees, no email required.
No email. No phone number. Just your price.
Avg Home Size
3,500–7,000 sq ft
Typical System
4–6 ton
Homes Built
1995–2022
Installed with warranty. Price shown = price you pay.
AC System
Gas furnace + AC condenser
from $9,440
installed w/ warranty
Heat Pump
Dual-fuel heat pump system
from $12,003
installed w/ warranty
All-Electric
No gas line required
from $9,440
installed w/ warranty
Southlake is DFW's premium HVAC market. Average home sizes of 3,500–7,000 sq ft mean most Southlake installations involve 4–5+ ton systems, and many homes have dual or triple zone configurations. A complete whole-home HVAC replacement in Southlake typically runs $18,000–$45,000 depending on home size and number of systems — significantly higher than the DFW average but proportional to the home size and investment being protected.
Southlake homeowners should be particularly cautious about undersizing. Builders sometimes install minimum equipment to control construction costs even on custom homes, and a 3.5-ton system struggling to cool a 5,000 sq ft home is both uncomfortable and expensive to operate. Proper load calculation is critical for Southlake properties, and we perform a full Manual J calculation on every job — not the simplified 'rule of thumb' sizing many contractors use.
Carroll ISD's reputation means Southlake homes hold and appreciate value exceptionally well. HVAC condition is a significant factor in home valuations above $800,000 — buyers and their inspectors scrutinize the system's age, condition, and efficiency. A modern high-efficiency system is a strong selling point in this market.
The City of Southlake requires permits for HVAC replacement. Southlake's building standards are among the highest in DFW. All permits and inspections are included in our pricing.
HVAC replacement costs and considerations vary by neighborhood. Here's what to expect in the most common Southlake communities:
Southlake Estates
Luxury 4,000–8,000 sq ft on 1+ acre lots. Multi-zone systems standard. Full home replacement can run $25,000–$50,000 for dual or triple systems.
Timarron
Golf course community, 3,500–6,000 sq ft (1998–2010). Most original systems are due for replacement.
Shady Oaks
Custom estates 5,000–10,000+ sq ft. Complex multi-zone installations requiring careful engineering.
Estes Park / Stratford Park
Established (1995–2005), 3,000–4,500 sq ft. Standard larger-home replacements.
Financing Available for Southlake Homeowners
8.99% APR · 12 year terms · As low as $114/mo per $10,000
No prepayment penalties. Apply during your free assessment.
No email. No phone number. Just your price.
A complete AC replacement in Southlake costs between $9,440 and $18,545 installed in 2026, depending on system type (AC, heat pump, or all-electric), tonnage (2–5 tons), and efficiency tier (Economy, Performance, or Premium). Every price includes the full system, labor, materials, permits, and 10-year warranty.
Every installation includes the new outdoor unit (condenser or heat pump), indoor unit (furnace or air handler), evaporator coil, copper line set, concrete pad, Ecobee smart thermostat, all ductwork connections, permit and city inspection, old system removal, and a 10-year parts and labor warranty.
A standard HVAC replacement takes one day — typically 6–8 hours from start to finish. Your new system will be running the same day. Complex multi-zone installations may extend to a second day.
Yes. We offer 8.99% APR financing over 12 years, bringing monthly payments to approximately $114 per $10,000 financed. No prepayment penalties. Apply during your free assessment.
System sizing depends on your home's square footage, insulation quality, number of stories, window area, duct condition, and sun exposure. Most Southlake homes (3,500–7,000 sq ft) need a 4–6 ton ton system. We perform a full load calculation on every job to ensure proper sizing — not just a guess based on square footage.
Spring (March–May) and fall (October–November) offer the best combination of comfortable weather and contractor availability. Summer emergency replacements typically cost 20–30% more due to demand and urgency. If you know your system is aging, plan ahead and replace before it fails in July.
It's not a Southlake markup — it's home size. A 5,000 sq ft home needs a 5-ton system that costs more than the 3-ton unit serving a 2,200 sq ft home. Many Southlake homes also have dual systems (upstairs + downstairs) or triple zones, each requiring a separate condenser, air handler, and installation. The per-unit pricing is identical to any other DFW city.
Almost certainly. Homes above 4,500 sq ft in North Texas generally need at least two independent systems or a sophisticated multi-zone setup. A single residential AC system maxes out around 5 tons / 60,000 BTU, which isn't enough for homes above 4,500 sq ft in our climate. We'll design the optimal system configuration during our assessment.
Every Southlake installation is handled by Varsity Zone HVAC — licensed, insured, and serving the Dallas–Fort Worth metroplex. We're not a lead generation service that sells your info to four contractors. We're the contractor. One company, one price, one point of contact from quote to installation to warranty service.
Our pricing is transparent because we believe you deserve to know what you're paying before anyone shows up at your door. No "free estimates" that turn into high-pressure sales pitches. No bait-and-switch pricing. See your real price online in 30 seconds.
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Installed by Varsity Zone HVAC · Licensed · Insured · Serving Southlake and 34 North Texas cities · © 2026 DFW Air Cost