Heating Replacement in Duncanville, TX
Three flat-rate residential furnace & heat pump replacement tiers, $8,000-$20,000+. Gas furnace or heat pump configurations. Frosty Thermostat free. Licensed TACLA126718E. Financing with $0 down on approved credit.
How Much Does Heating Replacement Cost in Duncanville?
Heating replacement in Duncanville runs $8,000-$20,000+ depending on tier, capacity, and whether you choose a gas furnace or a heat pump. All three tiers are flat-rate — the price I quote during the free in-home estimate is the price you pay at install. Financing available with $0 down.
Stay Cool
Goodman · 15 SEER2 · Single-stage
1-year labor warranty
- Frosty Thermostat (smart WiFi thermostat)
- New disconnect box
- Electrical whip
- Overflow condensate shutoff
Stay Frosty
Carrier · 18 SEER2 · Dual-stage
2-year labor warranty
- Everything in Stay Cool
- Ductwork inspection + sealing (up to 5 connections)
It's A Frosty Life
Trane · 20+ SEER2 · Variable speed
5-year labor warranty
- Everything in Stay Frosty
- Full ductwork inspection + sealing
- Vibration isolation mounts
- 1-year Frosty Club included ($99 value)
Add-on: 10-Year Labor Warranty +$3,500
Heat pump add-on: +$2,000 over gas furnace in the same tier (combined heating + cooling)
Financing Available
$0 down on approved credit through Optimus, Synchrony, GreenSky. A $12,000 Stay Frosty heating replacement at 9.99% for 120 months runs about $159/month. 50% deposit required at booking.
See Financing OptionsWhat's Included With Every Duncanville Heating Replacement?
Every tier — Stay Cool, Stay Frosty, It's A Frosty Life — includes the same baseline package. No bait-and-switch, no surprise add-ons at install. Here's exactly what you get.
Why DuncanvilleHomeowners Choose Frosty's for Heating Replacement
Duncanville heating replacement work usually means upgrading a 1990s-2000s 80% AFUE gas furnace to a modern 96% AFUE condensing unit. The catch in Duncanville is the flue venting — Duncanville Estates, Alexander, and Armstrong 1960s-80s homes were built with metal B-vent that goes up and through the roof, but 96% AFUE furnaces vent horizontally through PVC through an exterior wall. That means planning the new vent route, cutting the exterior penetration, and sometimes abandoning the old metal flue. We walk through the options with every homeowner before we commit to a tier.
Heat pump replacement is a smaller slice of the Duncanville book but growing, especially for homeowners dealing with aging Atmos gas service lines or planning all-electric conversion. Duncanville gets roughly 200+ cooling days a year and only 20-30 freeze nights, so a modern variable-speed heat pump (Trane, Carrier) handles the climate well with electric heat strips as backup for the sub-15°F stretches. Heat pumps add about $2,000 over the base tier but often qualify for federal tax credits. For most existing-gas Duncanville homes, a matched 96% AFUE gas furnace + 18 SEER2 AC is the better economic choice.
Every Duncanville heating replacement includes: proper PVC flue venting for 96% AFUE furnaces, new disconnect and electrical whip if needed, City of Duncanville permit, Frosty Thermostat (our smart WiFi thermostat — not Nuve), condensate management on the new coil, and full cleanup/haul-away of the old equipment. Labor warranty matches the tier: 1-year on Stay Cool, 2-year on Stay Frosty, 5-year on It's A Frosty Life. Financing through Optimus, Synchrony, and GreenSky — $0 down on approved credit.
Neighborhoods we serve in Duncanville: Duncanville Estates, Red Bird, Alexander, Armstrong, Main Street corridor, Wheatland Road, Cedar Ridge, Camp Wisdom Road
Why Our Credentials Matter for Heating Installation
TACLA126718E
Texas HVAC Contractor License held by Mariafernanda Jacobo. Every install permitted under this license with the TDLR.
EPA 608 Universal
Omar Jacobo, #2396328. Required by the U.S. EPA for all heat pump installs with R-454B, R-32, and legacy refrigerants under the 2025 phase-down.
DOE Efficiency Partner
All three tiers meet or exceed U.S. Department of Energy AFUE and SEER2 minimums. 90%+ AFUE and 20+ SEER2 tiers qualify for some utility rebates.
Learn more about our credentials on our About page or visit omar-jacobo.com.
Heating Replacement FAQ for Duncanville, TX
Should I get a furnace or heat pump in Duncanville?
Depends on your existing setup. Most Duncanville Estates, Alexander, and Armstrong homes have Atmos natural gas service, and a 96% AFUE two-stage furnace is typically cheapest to operate through Duncanville's 20-30 freeze nights. If you're planning all-electric conversion or your gas service is problematic, a modern variable-speed heat pump works great in Duncanville's climate and may qualify for federal tax credits. We run both numbers side-by-side.
How much does heating replacement cost in Duncanville, TX?
Full system replacement runs $8,000-$20,000+ depending on tier. Stay Cool (Goodman 15 SEER2) $8,000-$14,000, Stay Frosty (Carrier 18 SEER2) $12,000-$18,000, It's A Frosty Life (Trane 20+ SEER2) $16,000-$20,000+. Heat pump adds $2,000; 10-year labor warranty adds $3,500. Total range $8,000-$26,000.
What size furnace do I need for my Duncanville home?
Depends on square footage, insulation, window area, and ductwork condition. We run a Manual J load calculation on every replacement. Duncanville Estates and Alexander ranch homes in the 1,600-2,400 sqft range typically need 80,000-100,000 BTU furnaces; Red Bird 1960s split-levels often land at 60,000-80,000 BTU. Oversizing causes short cycling, temperature swings, and humidity issues.
How long will a new furnace or heat pump last in Duncanville?
Gas furnaces: 15-20 years with annual maintenance. Heat pumps: 12-15 years because they run year-round for both heating and cooling. Variable-speed equipment tends to last longer than single-stage because it doesn't cycle on/off as hard. Frosty Club Premium ($300/yr) includes 2 tune-ups which extend equipment life significantly.
Do you offer financing for heating replacement in Duncanville?
Yes — Optimus, Synchrony, and GreenSky with $0 down on approved credit. 50% deposit at booking, balance on completion. Applications take 5 minutes and most Duncanville homeowners get approved same-day. Monthly payments work out to roughly 1/60th of the system price.
Will I need new flue venting for a 96% AFUE furnace in my Duncanville home?
Yes. Condensing 96% AFUE furnaces vent through PVC (not the metal B-vent common in Duncanville Estates and Red Bird 1960s-80s homes), so we install new intake and exhaust runs through an exterior wall. We plan the route with you before install, because the penetrations are visible from outside. All permits pulled through the City of Duncanville.
Related Services & Resources
Ready for a New Heating System in Duncanville?
Free in-home estimate. Flat-rate pricing. $0 down financing on approved credit. Installation typically within 1-2 weeks.
Written by Omar Jacobo, EPA 608 Universal Certified Lead Technician at Frosty's HVAC LLC. Licensed TACLA126718E. Frosty Club Basic $99/yr · Premium $300/yr.
Written by
Omar Jacobo
EPA 608 Certified Technician (#2396328) | Co-Owner, Frosty's HVAC LLC
Omar has been serving local homeowners since 2018. Learn more
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