Good
14.3 SEER2 · single-stage
$0–$0
as low as $0/mo
- Reliable single-stage cooling
- 10-year parts warranty
- Installed in one day
24/7 emergency service — Plano & the northern suburbs
AC Out in Plano? We’ll Be There Today.
Family-owned since 2009. NATE-certified techs. If we’re not there in 2 hours, your diagnostic is free.
- 4.9 — 200+ Google reviews
- Licensed TACLB00123456C
- 24/7 — nights & weekends
Set to: comfort
AC down? Furnace acting weird? Air feels dusty? Handled.
Seven services, one standard: show up fast, fix it right, charge exactly what we quoted.
AC Repair
Most repairs finished the same visit — our vans carry 400+ parts so your house is cool by tonight.
Get it fixed todayAC Replacement & Installation
Right-sized systems installed in a day, backed by a 10-year parts warranty.
Price a new systemHeating & Furnace
Because Texas cold snaps never warn you first. Repairs, tune-ups, and new furnaces.
Stay warmMaintenance Plans
Lone Star Comfort Club — from $14/mo. Two tune-ups a year, priority scheduling, 15% off every repair.
Join the ClubIndoor Air Quality
Filters, purifiers, and duct cleaning that make allergy season survivable indoors.
Breathe easierCommercial & Builder Services
Rooftop units, new construction, and multi-site maintenance across Collin County.
Talk to our commercial teamStorm & Hail Support
Free inspection after every North Texas storm — and we handle the paperwork with your insurance claim.
Set to: honest pricing
See your new system price in 60 seconds.
No sales call. No pressure. Three taps and you’ll know your real range.
Question 1 of 3
Your honest Plano range — three ways to do it
Better
16 SEER2 · two-stage
$0–$0
as low as $0/mo
- Two-stage, steadier temps
- Noticeably quieter outside
- Wi-Fi thermostat included
Best
18+ SEER2 · variable-speed
$0–$0
as low as $0/mo
- Variable-speed, whisper-quiet
- Up to 40% lower cooling bills
- Best humidity control in August
Estimate only; final price confirmed at your free in-home visit. Monthly figures: 9.99% APR, 120 months, with approved credit.
Set to: every call answered
Your phone rings while you’re in an attic. Here’s what happens now.
Every call you can’t answer gets a text back in 30 seconds. The customer never dials your competitor.
85% of callers who hit voicemail never call back.
Set to: easy payments
Good news: comfort has monthly payments.
Slide to your system cost and see what it actually looks like per month. Most Plano families finance — nobody budgets for July.
Financing through Trane & Carrier lending partners.
As low as $94/mo*
*Representative estimate at 9.99% APR, subject to credit approval. 0% promotional options available.
Set to: 4.9 stars
Plano talks. We just keep showing up.
4.9
from 200+ Google reviews
Set to: family-owned
Ray started with one van and a promise: show up when you say you will.
That was 2009 — one used van, a toolbox, and Ray Delgado knocking on doors in his own Plano neighborhood. Fifteen Texas summers later, Lone Star Air & Heat runs six trucks across Collin County, and the promise hasn’t changed: if we say 2 hours, we mean 2 hours.
Every tech is NATE-certified, background-checked, and trained in Ray’s own garage before they ever ring your doorbell.
— Ray Delgado, Founder
Ray & the crew — 6 trucks strong
- 100% Satisfaction Guarantee
- Upfront Pricing — You Approve First
- On Time or Your Diagnostic Is Free
Set to: your neighborhood
Proudly cooling:
Every address below sits inside our 2-hour promise. If your city’s on this list, a Lone Star van is never far.
Set to: savings
Three good excuses to finally call.
$79
AC Tune-Up
Reg. $129 — 21-point inspection, coil rinse, refrigerant check.
$500 off
A Complete New System
Any full AC + furnace or heat pump installation this season.
Free
Second Opinion
On any repair quote over $1,000 — before you sign anything.
Ready for cool air today?
Book online in 60 seconds, or call a real person right now.
Licensed & insured · TACLB00123456C