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preventative maintenance

The latest Covid research for indoor air quality

The Latest Research on COVID and Indoor Air Quality

The Latest Research on COVID and Indoor Air Quality For nearly two years, the world has been …

Hire a Carrier Factory Authorized Dealer

You Should Hire a Carrier Factory Authorized Dealer. Here’s Why.

You Should Hire a Carrier Factory Authorized Dealer. Here’s Why. Have you heard of Carrier®? We bet …

AC Refrigerant Top Off

Why Do I Need Refrigerant Top Offs?

Have you ever had a technician come to your house and perform a refrigerant charge-up, top off, …

Summer Fan Drive2021

2021 Summer Fan Drive

2021 Summer Fan Drive Once again, our team here at McCullough Heating & Air Conditioning partnered with …

AC Install Austin

High Quality HVAC Installation in Austin, TX

High Quality HVAC Installation in Austin, TX Investing in an HVAC replacement is a big cost for any homeowner. It makes …

New HVAC Quote

What is a Load Calculation?

What is a Load Calculation? Have you ever wondered how we know what size HVAC equipment your …

New Carrier Installation, AC Repair Austin

Checking in with the Winner of our FREE HVAC System Giveaway

Earlier in 2020, we held a giveaway for a free HVAC system! The Austin homeowner with the …

Indoor air quality Austin, Indoor air quality by McCullough

Carrier® Air Purifier Effective to Kill Coronavirus

We’ve got big news for Austin homeowners. An independent research lab has shown that the Carrier® Infinity …

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