Heating Installation & Replacement Services in Forney, Serving Heartland, Mesquite & Terrell, Texas
Family-owned since 2011. When your furnace is past saving, Lexany's right-sizes a new system to your home, gives you a clear written quote — no pressure, no upsell — and installs it clean and to code, with financing available so comfort fits your budget.
Heating Installation & Replacement in Forney, TX
Here's what a new-system install looks like.
Explore our Heating servicesWhen a furnace is 15+ years old, needs a major repair, or just can’t keep your home evenly warm, replacing it is often the smarter long-term move. Since 2011, Lexany’s has helped Forney, TX homeowners choose and install the right system without the sales pressure.
Most of the time it’s owner Gustavo who scopes the job. He measures your home and sizes the system to it instead of just swapping the old box, then gives you a clear written quote. As an authorized Goodman dealer, we install efficient, code-right systems and register every warranty.



Top Signs It's Time to Replace Your Heating System in Forney, TX
When replacing beats repairing.
A furnace rarely dies overnight. It usually warns you first. If you're seeing these signs, a new, efficient system often pays you back in lower bills and fewer breakdowns. We'll give you the honest repair-vs-replace math before you decide.
Your Furnace Is 15+ Years Old
Most furnaces last 15–20 years. Past that, efficiency drops and parts get harder to find. If yours is aging, it's worth pricing a replacement before it quits on a cold night.
Frequent or Expensive Repairs
When a repair costs more than about half the price of a new system, or you're calling for service every season, a replacement usually costs less over time.
Rising Heating Bills for the Same Comfort
An aging furnace burns more gas to hold the same temperature. A right-sized, high-efficiency system can noticeably cut your winter energy costs.
Uneven Heat or Rooms That Never Warm Up
Cold spots, weak airflow, and constant thermostat-fiddling often mean a system that's undersized, failing, or poorly matched to your home. A new, properly sized system fixes it.
Upfront Heating Installation Pricing in Forney, TX
A clear, fixed price before any work begins.
Replacing a system is a big decision, so we make the numbers easy to follow. Here's how we keep installation pricing honest, from the first visit to the final invoice.
In-home install estimates
No charge to scope a new furnace or heat pump. We measure, size it to your home, and put your options in writing.
Upfront, no surprises
Every system, part, and labor line in writing. You approve the total before we begin, and the price you approve is the price you pay.
Pay over time
Qualified buyers can finance a new system through Wells Fargo and get the right equipment now instead of patching an old one.
Heating Systems We Install in Forney, TX
Every heating system we install and replace.
Whatever fits your home and budget, we size it right and install it clean. We'll also tell you honestly which system makes the most sense for you.

Heat Pumps
One system that does two jobs: efficient heating in winter and cooling in summer, moving energy instead of burning it. We size and install heat pumps matched to your home, and pair them with the right air handler and controls for even comfort and lower bills. We won't oversize the unit to play it safe.
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Gas & Electric Furnaces
The workhorse of Forney, TX heating. We install high-efficiency gas and electric furnaces sized to your home, not just a swap of the old box, and register every warranty for safe, efficient forced-air heat.
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Air Handlers
The indoor unit that moves your heated air. We install and match air handlers to your new system so airflow is balanced and every room gets its share of heat.
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Dual-Fuel Systems
A heat pump paired with a gas furnace that switches to whichever is cheaper moment to moment. That setup suits our mild winters with the occasional hard freeze. We design and install the changeover so it works without you noticing.
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Ductless Mini-Split Heating
Targeted warmth for a room the furnace can't reach, like a bonus room, an addition, or a converted garage. We install single- and multi-zone mini-split heat so every space stays comfortable without new ductwork.
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Smart Thermostats & Controls
A new system deserves the right controls. We install smart, programmable thermostats matched to your equipment, so your daily schedule runs the heat for you.
Get an estimateThese come straight from our Google Business Profile and update automatically, so each one is a real Forney homeowner. Plenty of them mention Gustavo by name for showing up the same day and quoting a fair, honest price.
Owner-Led HVAC Service in Forney
Most days, the owner does the work himself.
Lexany’s is a family-owned, Hispanic/Latino-owned company built around one idea: the experienced person does the work. We prioritize urgent calls and aim to reach your home the same day, diagnose first, and never push a whole new system until we’ve actually checked yours. We’re bilingual (English/Spanish).
Quick response, every time
We prioritize urgent calls and aim for same-day. After hours, leave a message and we follow up promptly.
Simple, transparent process
Clear explanations, upfront pricing, and the price you approve is the price on your final invoice.

Best Time to Replace Your Heating System in Forney, TX
When to plan your new system.
You don't have to wait for a breakdown. Knowing the seasonal pattern helps you plan a new install on your schedule, and often at a better price.
Spring
Heating-off season is a calm, low-demand window to plan and install a new system with no rush, and to beat the fall booking crowd.
Summer
Pairing a furnace replacement with AC work in summer is efficient. It's one project with one crew, and your heat is ready well before winter.
Fall
October–November is peak install season as furnaces fail their first test. Book early to lock in a slot before the cold sets in.
Winter
When a furnace quits in a January freeze, we prioritize emergency replacements and can often install a new system fast. Call early.
Hiring a Heating Installation Contractor in Forney, TX
Know exactly who you're hiring.
Use this on any contractor you call for a new system. Here's how Lexany's measures up on each one.
Licensed & NATE-certified
Not just “certified” on a flyer. Ask for the Texas A/C license number. Ours is #51447, and our techs hold real NATE credentials.
Book ServiceRight-sizing, not guessing
A proper install starts with a load calculation sized to your home, not a like-for-like swap. Oversized systems short-cycle and waste money.
Book ServiceReviews & reputation
Real, recent local reviews. We hold 4.9★ across 200+, with the owner named again and again.
Book ServiceHonest repair-vs-replace advice
A good contractor shows you the math and never pushes a new system you don’t need. You get repair-vs-replace options in writing.
Book ServiceTransparent pricing & financing
A free itemized quote before work begins, the price quoted up front and honored, plus Wells Fargo financing on installs.
Book ServiceAuthorized dealer & warranty
We’re an authorized Goodman dealer and register every manufacturer warranty, so your new system is fully covered.
Book ServiceClean, code-right installs
Permits pulled, work to Texas energy and gas code, old equipment hauled away, and your home left clean when we leave.
Book ServiceForney, TX knowledge & code
Based right here, every system sized for North-Texas winters and installed to local code by people who know our homes.
Book ServiceOur HVAC Service Area: Forney & Kaufman County
We’re in Forney and all over Kaufman County.
From established Forney neighborhoods to newer subdivisions in Heartland and homes along Highway 80, Gustavo Garza’s team keeps Kaufman County families comfortable with the same honest, same-day service on every call. Dallas and Garland are served through our ad coverage.
- Forney Community Park & Spellman Amphitheater
- Spellman Museum of Forney History
- Forney High School
Heating Installation FAQs
What Forney, TX homeowners ask us about a new system.
How much does a new furnace or heating system cost in Forney, TX?
The cost depends on the system type, size, and efficiency your home needs, which is why we start with a free in-home estimate and a clear written quote. You approve the total before any work begins, and Wells Fargo financing is available on qualifying installs.
Should I repair or replace my furnace?
If your furnace is over 15 years old, or a repair costs more than about half the price of a new system, replacing it is usually the smarter long-term choice. We diagnose first and show you both options in writing before you decide.
How long does a heating system installation take?
Most residential furnace or heat-pump replacements are completed in a single day. Larger jobs that add ductwork, a dual-fuel system, or zoning can take longer, and we'll give you a clear timeline with your quote.
How do you size a new heating system for my home?
We measure your home and run a load calculation rather than just matching the old unit, so your new system is sized correctly. Right-sizing avoids short-cycling, uneven temperatures, and wasted energy.
Do you offer financing on a new heating system?
Yes. Wells Fargo financing is available on qualifying installations, so you can get the right system today without a high-interest card. Ask us for current terms.
What heating brands do you install?
We're an authorized Goodman dealer and also install and service all major brands, including Lennox, Trane, Carrier, Daikin, Bryant, American Standard, and Amana.
Book Your Heating Installation Estimate in Forney, TX
Let's get reliable heat in.
Talk to a real person. Most calls are answered the same day. Free estimate, honest pricing, financing available, and no pressure.