How much does furnace replacement cost in Lubbock?

Standard 80% AFUE gas furnace $3,500–$5,500 installed. High-efficiency 96%+ AFUE $5,500–$8,500 installed. Electric furnaces $2,500–$4,500. Call Armstrong at (806) 763-2665.

Is a 96% AFUE furnace worth it in Lubbock?

For most Lubbock homes, yes — winters are long enough that the efficiency savings pay back in 5–8 years, and 90%+ units modulate for more even comfort.

Should I replace my AC at the same time?

If your AC is over 10 years old, matching new systems together saves on installation labor and gives you a matched-efficiency system that lasts longer.

Do you offer financing on furnace replacement?

Yes — multiple financing options with approved credit. Call Armstrong at (806) 763-2665.

HVAC Services

Furnace Replacement in Lubbock, TX

When a furnace hits 15–20 years old, repair costs stack up fast and efficiency drops. Armstrong's Lubbock furnace replacement team installs high-efficiency Lennox, Trane, Carrier, and Rheem gas and electric furnaces — sized correctly for your home so you don't overpay for equipment or utilities.

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Licensed · Insured · Serving Lubbock since 1934

About Furnace Replacement in Lubbock

Every replacement includes correct combustion air, code-compliant venting, new gas flex or hard pipe as needed, condensate management, and a full commissioning check to make sure the system runs at rated efficiency from day one.

Financing available on qualified equipment — many homeowners upgrade to a modulating 96%+ AFUE furnace for less than the cost of another year of high bills.

Common Problems We Fix

If any of these sound familiar, we can help.

Furnace 15+ years old with rising repair costs
Cracked heat exchanger (safety concern — replace, do not repair)
Uneven heating across rooms
Gas bills climbing every winter
Furnace short-cycling from oversizing
Rusty or corroded burner assembly
System failed and needs same-week replacement

What Furnace Replacement Involves

Honest expectations — what to know before we arrive.

Replace

Right-size the equipment (Manual J load calc when needed), pull permit, install to code, commission, and walk you through the new controls.

Install

New construction, additions, or converting from electric heat to gas. Full ductwork and venting evaluation included.

Inspect

Not sure if it's time? We inspect the heat exchanger, burners, and controls and give you a straight answer — repair or replace.

Why Choose Armstrong

Since 1934

Lubbock's oldest plumbing, HVAC, and electrical company.

Licensed & Insured

Texas-licensed plumbers, HVAC techs, and electricians.

24/7 Service

Real emergency dispatch — nights, weekends, holidays.

Upfront Pricing

Flat-rate quotes before we start. No surprises.

Furnace Replacement FAQs

Quick answers to what Lubbock customers ask most.

From Our Blog

Helpful Guides

HVAC

Pros and Cons of Electric Heat Systems in West Texas Homes

Considering electric heat for your West Texas home? Learn about the advantages and disadvantages of electric heating systems, including heat pumps and electric furnaces, for the Lubbock climate.

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Better Call Armstrong

Lubbock's trusted name for hvac since 1934.