It's Time for Your Air Conditioning Tune Up

Want your AC to run smoothly this summer? Then you need to take care of AC maintenance this spring. Call McCullough Heating & Air Conditioning to schedule a pre-season AC Tune Up for only $69.
Getting an AC tune up now can prevent frustrating breakdowns later. Your air conditioner works hard to keep your home cool and comfortable during our sweltering summer months here in Austin. An ideal summer night simply doesn’t include a broken air conditioner. So take action now and take care of your AC with a tune up.
Our $69 AC tune up special is the best deal you can find for maintenance (...yep, we checked around). It includes up to 1 pound of refrigerant if we see your system needs it. Plus, you can feel good about shopping local with a company that truly cares about the Austin community.
AC Repair and 24-Hour Emergency AC Service

AC Repair
Need AC repair in Austin? Temperature rising? Let’s get you fixed up! Our technicians are as friendly and knowledgeable as they get. Call us for Austin AC repair as soon as you notice something isn’t right. After all, a broken air conditioner doesn’t get better on its own. We’re experts at this - we can solve the problem and get you back to feeling cool right away.
24-Hour Emergency AC Service
Need emergency AC service in Austin? It’s never too late to call for your Austin AC repair. Whether it’s 3am on a Sunday or 1pm on a holiday, we have a team of technicians on call.
Call us for 24/7 emergency AC repair if:
- AC is running, but it still feels warm
- AC is making weird noises
- AC is turning off and on repeatedly
- AC never stops running
- AC is leaking water into your attic or closet
Prevent Future AC Repairs
One middle-of-the-night AC repair is enough in a lifetime. Get peace of mind with a preventive maintenance plan. Our McCullough Comfort Club members benefit from their annual service with improved efficiency, extended system performance, and an intact manufacturer's warranty on their air conditioners.
Heating & Furnace Repairs & Replacement
Heating Repair
Need heating repair in Austin? Our technicians are friendly, professional and as knowledgeable as they get. Call us for Austin Furnace repair as soon as you notice something isn’t right. We’re your Austin furnace experts - we can solve the problem and get you back to comfortable right away.
Call us for furnace repair if:
- Furnace is running, but not warming
- Furnace is making weird noises or smells
- Furnace is turning off and on repeatedly
- Furnace never stops running
Furnace Replacements
If we can fix it, we will. But if your heating system has been struggling to keep you comfortable and you know the time is near... get a quote. Spring is a great time of year for savings on your new furnace.
Comfort Club Member Benefits
Get peace of mind with a preventive maintenance plan. Our McCullough Comfort Club members benefit from their annual service with improved efficiency, extended system performance, and maintain their manufacturer's warranty on furnaces and heating systems.
Heating & AC Repair, New Installation & Maintenance
Let’s get your home back to “ahhhh”, as soon as possible.
Rebates + Discounts + 60 Month Financing with approved credit*
No Sneaky Upgrades or Hidden Fees
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Free Replacement Estimate
& 2nd Opinions -
Austin Energy Home Performance Audit
$25 COUPON
Signup for our mailing list to receive $25 OFF any heating or cooling repair. No other discounts apply. Not valid on prior estimates. Limit 1 per customer.
Austin AC Repair & Heating Services
At McCullough, our skilled team can meet your needs, no matter how complex the issue. We will explain all of your AC repair and replacement options so you can make an informed decision. No sneaky upsells or gimmicks, just honest advice and service.
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Great Technical Skill
Pinpointing heating or cooling system problems and properly fixing them takes skill and knowledge of not only the mechanical systems but also an understanding of HVAC airflow (volume, velocity, and area) and thermodynamics.
Security & Peace-of-mind
Ensure your HVAC system is running efficiently and smoothly with our seasonal preventative maintenance inspection service - McCullough Comfort Club.
$25 COUPON
Signup for our mailing list to receive $25 OFF any heating or cooling repair. No other discounts apply. Not valid on prior estimates. Limit 1 per customer.
*WAC = With Approved Credit. Some restrictions may apply.
Latest Videos & Articles
5 Reasons Your AC System is Underperforming
Things to Check Before You Call for AC Service
Do I Need to Clean
My Air Ducts?
Filters - Clearing Up the Confusion

The Difference Between Low and High Efficiency Air Conditioning

Efficiency Ratings for Heat Pumps

How to spot furnace problems this winter

5 Ways to Fix Uneven Heating in Your Home

CO poisoning and why HVAC maintenance matters

Maintain Your Heating System to Stay Safe and Save

8 Signs That Your Furnace Needs To Be Repaired or Replaced
Quality Service
Our professional staff will respect your time and home by focusing on delivering superior service without cutting corners. Serving the Greater Austin area since 1977, we can repair every major brand of HVAC. Let our experience work for you.
Service area: We service all or parts of:
Austin, Round Rock, Cedar Park, Pflugerville, Lost Creek, Rollingwood, Leander, Steiner Ranch, River Place, Jester Estates, Tarrytown, Great Hills, Balcones, Andersonmill, Westlake Hills, and Georgetown.
If you don’t see your location or have a question,
please call us at (512) 280-0011.
78701, 78702, 78703, 78704, 78705, 78717, 78719, 78721, 78722, 78723, 78724, 78725, 78726, 78727, 78728, 78729, 78730, 78731, 78732, 78733, 78734, 78735, 78736, 78737, 78738, 78739, 78741, 78742, 78744, 78745, 78746, 78747, 78748, 78749, 78750, 78751, 78752, 78753, 78754, 78756, 78757, 78758, 78759, 78613, 78617, 78619, 78620, 78628, 78634, 78641, 78660, 78664, 78681
*WAC = With Approved Credit. Some restrictions may apply. Financing available through Velocity Credit Union and Austin Energy.
COOLING & HEATING SERVICES:
- Air Conditioning Repair
- AC System Replacement
- Mitsubishi Ductless Air Conditioners
- Scheduled Maintenance
- Furnace / Heat Pump Repair
- Free Energy Audit
- HVAC Performance Check-up
- Duct Sealing & Repair
- Insulation & Weatherproofing
- 24 x 7 Emergency Repair Service
- Free 2nd Opinion on Repair or Replacement
- Austin Energy Home Performance

BBB

Austin Energy Green Building

Energystar

ACCA

Nate

Angies 5 x

NCI

Mitsubishi

Presidents award