Furnace Replacement in Largo, FL
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Cost Range
$3,000–$8,400
Local Pros
24 available
Overview
Replace your aging or failed furnace with a new high-efficiency unit. Modern furnaces achieve 95-98% efficiency compared to 60-80% for older models, significantly reducing heating costs.
Largo Climate Considerations (hot humid)
- • AC compressor burnout from overuse
- • Clogged condensate drain lines
- • Mold in ductwork
Common Signs You Need Furnace Replacement
- • Furnace is 15-20+ years old
- • Cracked heat exchanger detected
- • Repair costs exceed 50% of new unit
- • Yellow or flickering pilot flame
- • Rising heating bills despite maintenance
- • Inconsistent heating
Furnace Replacement Cost in Largo
Low
$3,000
Average
$5,700
High
$8,400
When to Call a Professional
Call a professional when:
Furnace replacement involves gas line connections, combustion venting, electrical work, and precise sizing. Always hire a licensed HVAC contractor.
Hvacs in Largo
M&R Air Conditioning & Electrical LLC
St. Petersburg, FL
(813) 482-8499Doane's HVAC of Pinellas County Fl
St. Petersburg, FL
(727) 804-5786
Kron & West, Inc
St. Petersburg, FL
(727) 345-0317
Smart Heating & Cooling
St. Petersburg, FL
(855) 682-0402Founding Member
Premium spot in Largo
Ambassador
Lead the Largo community
Founding Member
Premium spot in Largo
Largo Housing Market
Median Home Price
$341,000
Homes for Sale
72
Price per Sq Ft
$253
Local Pros
338
Home Service Professionals Near Largo
Median Household Income
$60,465
Median Home Value
$208,500
Median Rent
$1,482/mo
Homeownership Rate
61.1%
Population
82,506
Median Year Built
1978
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track This in PropDoctor
Furnace Replacement
Date
April 2026
Cost
$5,700
Vendor
Your local pro
Warranty
10-year material warranty
Largo average: $3,000–$8,400
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Warranty Details
10-year material warranty
Auto-Checkup Created
"Furnace Inspection" — every 12 months
Property Health Score
Good
hvac category +18 pts(71 → 89)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Maintenance Plan for Largo
Recommended Maintenance Plan — Largo, Florida
Key Risks
- • AC compressor burnout from overuse
- • Clogged condensate drain lines
- • Mold in ductwork
- • Hurricane season (Jun-Nov)
- • Mild freezes (occasional pipe risk)
Schedule
Visual inspection (DIY)(DIY)
Professional furnace replacement
Estimated: $2500–$7000
Emergency inspection for damage
Estimated: $100–$300
Plan for full replacement
Estimated: $7,500–$21,000
Largo-Specific Tips
- • AC systems in Largo run 7–8+ months per year — expect 12–15 year lifespan vs 20 in cooler climates
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Smith & Sons
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J&R Home Services
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Related Services in Largo
Furnace Repair
Diagnose and repair furnace issues including no heat, insufficient heating, strange noises, and pilot light problems. Ensures safe, reliable heating during cold weather.
HVAC System Installation
Install a complete heating, ventilation, and air conditioning system including furnace, air conditioner, ductwork, and thermostat. A major investment that provides comfort for 15-20 years.
Ductwork Repair & Cleaning
Repair leaking, disconnected, or damaged ductwork and clean accumulated dust, debris, and mold from your HVAC ducts. Proper ductwork improves efficiency by 20-30% and enhances indoor air quality.
Smart Thermostat Installation
Install a programmable or smart thermostat to optimize heating and cooling schedules, reduce energy waste, and enable remote temperature control. Smart thermostats can save 10-15% on HVAC energy costs.
Florida Regulations
Building Code: FBC 2023 (7th Edition)
Seller Disclosure: Florida has no mandatory property condition disclosure form but requires disclosure of known material defects, coastal erosion, sinkholes, and HOA/CDD info.
Natural Disaster Risks: Hurricanes, Flooding, Sinkholes, Extreme heat