Boiler Replacement Cost in Fort Smith, AR
Lennox 5-Ton 21 SEER

The average cost of boiler replacement in Fort Smith, AR with a Lennox 5.0-ton 21 SEER system is $8,620, with most homeowners paying between $8,320 and $8,920 depending on home conditions, permit fees, and labor availability. The Lennox 5.0-ton unit is a premium, energy-efficient unit engineered for long-term reliability, sized for homes with 2,100-2,700 sq ft of conditioned space. At 21 SEER, this unit qualifies for federal energy tax credits and delivers exceptional long-term savings.

Cost Breakdown - Fort Smith, AR

* Estimates based on Fort Smith area labor rates ($89.49-$145.26/hr, BLS-sourced). Actual costs vary by home conditions and contractor. Get 3 quotes.

About Boiler Replacement

Complete removal and replacement of a residential boiler used for hydronic (hot water or steam radiator) heating systems. In Fort Smith, AR, licensed HVAC contractors typically charge $89–$145 per hour for installation labor, with this job averaging 10 hours.

The equipment cost for the Lennox 5.0-ton 21 SEER system represents approximately $6,290 of your total. Installation labor in Fort Smith adds $1,170, with permit fees, refrigerant, and disposal bringing the full estimate to $8,620. Prices in AR vary by contractor — always collect 3 quotes before scheduling a major HVAC installation.

Signs You Need Boiler Replacement

Consider scheduling boiler replacement in Fort Smith, AR if you notice boiler over 15-20 years old or frequent pressure or leak issues or cold radiators or inconsistent heat. Early action prevents the costly emergency service premiums common in the South region during peak seasons.

• -Boiler over 15-20 years old
• -Frequent pressure or leak issues
• -Cold radiators or inconsistent heat
• -Visible rust and corrosion on unit
• -Spiking gas bills

What's Included

• -Remove and haul away old boiler
• -Install new boiler unit
• -Connect to existing piping
• -Gas line reconnection
• -Expansion tank check or replacement
• -Pressure test, startup, and balancing

Hiring an HVAC Contractor in Fort Smith

• 1.Verify the contractor holds a current AR HVAC license and carries liability insurance.
• 2.Request an itemized quote that separates equipment, labor, and permit costs.
• 3.Ask specifically about Lennox dealer status — authorized dealers in Fort Smith, AR often offer extended warranties.
• 4.Confirm the quote includes refrigerant, line set, and startup commissioning — not just the equipment.
• 5.Check for manufacturer rebates and utility company incentives before signing.

Frequently Asked Questions