Air ConditioningServices
Get your house cool again with AC repair that finds the real fault, prices it before we start, and often finishes on the first visit. We also replace aging systems and service heat pumps and mini-splits.
Explore ServicesNot Just a Promise. A 365-Day Money-Back Guarantee.
Top-Rated Heating, Cooling & Indoor Air Quality ServicesServing Richardson, Plano, McKinney and the wider Dallas-Fort Worth Metroplex
- 24/7 emergency service
- Free replacement estimates
- Same-day AC installation available
- 4.7from 700+ Google reviews
- Texas license TACLB00033708E
- BBB accredited
- Amana dealer
- NATE-certified technicians on our team
CityLine Air Conditioning, the HVAC Company That Educates Before It Quotes
Need your AC, furnace or ductwork looked at? CityLine Air Conditioning is an HVAC company serving homeowners across the Dallas-Fort Worth Metroplex. We repair, replace and maintain air conditioners, furnaces, heat pumps, ductless mini-splits and ductwork.
Before any price comes up, we answer the questions you would ask first. What's wrong with it? Can it be fixed? What will fixing it cost? Then we lay out your repair and replacement options, explain each one, and step back while you decide.
Most people have never been told what's actually wrong with their system, just that they need a new one. I want every homeowner to understand their options before they spend a dollar.
Our Most Popular HVAC Services in the Dallas-Fort Worth Metroplex
HeatingServices
Furnace repair is one call you never want to make on the first freezing night of the year. We repair and replace gas furnaces and heat pumps, including the ones up in the attic, and tune them up each fall so they're ready.
Explore ServicesDuctworkServices
Most homes we visit haven't had their ducts cleaned in 10 to 20 years, and a regular tune-up never touches them. We clean, seal, and repair ductwork so the cool air you're paying for ends up in your rooms, not your attic.
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Indoor Air QualityServices
Better indoor air starts with knowing what's in it. We test your air first, then recommend the filtration, UV light, or humidity control your home actually needs. That matters here, where cedar and oak pollen barely take a season off.
Explore ServicesWhy Choose Us
CityLine Air Conditioning's Promise on Every Visit
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A Money-Back Guarantee That Lasts a Full Year
Not happy within a year? Give us the chance to make it right, and if we can't, you get your money back. New systems also carry a 10-year manufacturer parts warranty.
365-day money-back guarantee
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You'll Know Who Is Coming Before the Doorbell Rings
You're letting a stranger into your home, so we introduce them first. A text locks in your two-hour window, then a second text and email bring your technician's photo, short bio, and live van tracking.
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Your System Doesn't Need to Match Our Logo
Our technicians repair all major HVAC brands, including Carrier, Trane, Lennox, Goodman, Bryant, American Standard, and Comfortmaker. We diagnose problems with your existing equipment and explain your repair options, regardless of the manufacturer.
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You See What Failed Before You See a Price
Your technician shows you what failed, using photos, then lays out repair and replacement costs side by side, including monthly payment options and warranties. No pressure to decide on the spot. The choice is yours.
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Four Clear Options and No Signing on the Spot
Thinking about replacing your system? Your free estimate includes four packages, from Essential to Platinum, with pricing and coverage details you can review at home. Once you're ready to move forward, we'll handle the required permits and arrange the city inspection.
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Quoted, Approved and Installed in One Visit
One visit can take you from quote to cool air. Financing decisions take about 30 minutes, subject to lender approval. With equipment in stock and a crew free, same-day installation is available.
Current HVAC Offers
- $89
Diagnostic, waived with a same-day repair.
- Free
Free replacement estimates
- Healthy Air Conditioner Club$189
Healthy Air Conditioner Club: two tune-ups and priority scheduling, $189 for the first system
Healthy Air Conditioner Club - FinancingNo Interest, No Payments
for 6 months, then as low as 7.99% APR with Service Finance*
Financing
*This offer comes from Service Finance Company, LLC, with approved credit. Pay no interest and make no payments for the first 6 months. After that, your balance moves to a simple-interest plan of 120 monthly payments, with rates as low as 7.99% APR for customers with well-qualified credit. The rate you get depends on your credit, and not everyone will qualify.
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The technicians were professional and very knowledgeable. We had our AC serviced, new Gas Furnace installed with air purifier, and also had our air ducts cleaned. I would go to CityLine first before any other company!
Kyle Cooper
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The technician, Alberto, arrived on time, knew the equipment he was working on, was very professional, and was happy and very thorough.
Alann Nevarez
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They contacted us in a timely manner, were on time for the service call and took care of the issues.
Jeffrey N.
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Alberto Nevarez was great. Helped inform us of everything we needed to know plus extra. He went above and beyond to educate us as new home buyers of our systems and needed maintenance. 10 out of 10 would recommend
Tony A.
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CityLine came to my home to check my unit for heating for this winter and were excellent. Technician Jay Jones was superb! He explained in detail everything he reviewed and gave me confidence in the service provided. 10/10! Would recommend to everyone!
Ryan F.
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Travis came by to do a check up on the system. He's very courteous and friendly. All is well with the system.
Adrien C.
HVAC Service Areas Across Dallas-Fort Worth
Is your home in our service area? Our team serves the cities and ZIP codes listed below. Coverage is limited to specific ZIP codes in Dallas and Fort Worth. Don't see your area? Call us to confirm your address.
Our Service Area
- Richardson
- North Dallas (75225, 75229, 75230)
- Addison
- Carrollton
- Coppell
- DeSoto
- Duncanville
- Farmers Branch
- Grand Prairie
- Irving
- Mesquite
- Plano
- McKinney
- Allen
- Frisco
- Hurst
- Euless
- Bedford
- North Richland Hills
- Haltom City
- Fort Worth (76179)
- Colleyville
- Grapevine
- Keller
- Argyle
- Flower Mound
- Lewisville
- Little Elm
See Service Area
Don't see your street? Call (972) 776-4455 and ask.
HVAC Tips and Guides for DFW Homes
May 5, 2026Why Dust Is Your Air Conditioner’s Worst Enemy
You might not think much about dust. It gathers on shelves, settles on furniture, and seems like nothing more than a minor household annoyance.
May 4, 2026Why Won’t My AC Turn On? 12 Common Causes & How to Fix
It’s 2:00 PM on a July afternoon in Dallas-Fort Worth. The thermostat reads 97°F outside, and you just realized your AC is not turning on.
May 4, 2026AC Making Loud Noise? 8 Sounds & What They Mean
You’re sitting in your living room when your air conditioner kicks on and something sounds… wrong. Maybe it’s a metallic banging that wasn’t there last week.
HVAC Questions Homeowners Ask Before They Call
CityLine Air Conditioning serves homeowners across DFW from its Richardson office, including Plano, McKinney, Hurst, Euless, Bedford, North Richland Hills and Haltom City. Dallas coverage is limited to ZIP codes 75225, 75229 and 75230. Fort Worth coverage is limited to 76179. If you're near the edge of our map, call and we'll look up your address.
For repairs and maintenance, one of our uniformed technicians, with a name tag and our business card. You'll get their photo and a short bio by text before they arrive, and NATE-certified technicians are part of our team.
Yes. We offer financing through Service Finance and Foundation Finance, plus a lease-to-own option. Availability, payment amounts and terms depend on the provider and your application. Your technician explains the options before you choose a new system.
Yes. Our phones are answered 24/7, and most calls get a same-day visit. After hours, we troubleshoot by phone and book the first visit for the next morning. When someone at home can't safely wait, a technician comes out that night.
Yes. CityLine Air Conditioning is a Texas-licensed HVAC contractor (license TACLB00033708E), accredited by the Better Business Bureau, with NATE-certified technicians on the team.
Ready When You Are
(972) 776-4455Office hours 8 AM to 6 PM, with phones answered around the clock.
- 365-day money-back guarantee
- Free replacement estimates
- 24/7 emergency service
- 4.7 stars from 700+ Google reviews
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