We proudly serve Collin, Denton, Dallas, and Grayson counties—including McKinney, Frisco, Plano, Denton, Allen, Melissa, Anna, and surrounding communities.

Yes. Big Kountry Air was founded by Blake and Tiffany in McKinney. We’re faith-based, family-owned, and committed to serving our neighbors with honesty and care

Yes. All technicians are fully licensed by the State of Texas and carry insurance. We comply with TACLA regulations and follow industry best practices .

We offer transparent, written estimates before any work. Pricing reflects local labor rates and fair parts markup. We never surprise you with hidden fees.

We accept cash, card, and can connect you to trusted third-party financing for larger projects. We’ll explain all options upfront.

We aim to respond fast. Our remote structure and local roots help us dispatch techs quickly across North Texas. Many emergency calls get next-day or same-day service.

We don’t have hidden overtime fees. We’ll let you know in advance if after-hours rates may apply—only if you request service outside normal hours.

We handle residential and small commercial HVAC: new system installs, repairs, seasonal tune‑ups, air quality upgrades, ductless systems, heat‑pumps and all related services

Twice a year—spring and fall—for maximum reliability in Texas weather. That helps prevent breakdowns during summer and winter peak seasons .

We keep overhead low by running without a traditional office, which means fairer pricing. You deal with real local people who treat your home like their own—not a faceless call center

Our licensed techs perform a load calculation based on your home's square footage, insulation, sun exposure, and occupancy. We size equipment carefully to prevent short cycling and humidity issues.

Yes. When you refer a neighbor or friend and they book service, you earn a credit on your next tune-up or repair. We believe in building relationships, not inbox spam.

Our techs remove shoes, wear protective mats, and clean up every job. We don’t rush. We answer your questions. We walk through the system with you. It’s service with honor.

We’ll explain the pros and cons based on age, efficiency, and repair cost. If a system is over ten years old or a repair costs more than half of replacement, we’ll tell you honestly replacement may be wiser

We back most repairs with a satisfaction guarantee and parts warranty. Installation work comes with manufacturer warranties. We explain each warranty in writing before starting.

We take care of any required permits and inspections for McKinney and surrounding cities. We stay compliant so you don’t have to worry about code issues.

Ice or leaks usually trace to low refrigerant, airflow problems, or drainage issues. We clean filters, inspect coils, fix leaks, and never leave until your system runs properly.

Yes. We offer air filtration upgrades, UV lights, dehumidifiers, and duct cleaning to address dust, pollen, or odor issues specific to North Texas homes.

Yes. We have neighbor discounts for seniors, veterans, and repeat clients. Just mention it when you call—no hoops, just Texas hospitality.

Our tech will arrive on time, introduce themselves, confirm scope, remove your old system cleanly, install the new unit, weather‑strip and test everything thoroughly. We’ll walk you around and explain operation basics before leaving.