Why Is Your Furnace Blowing Cold Air? Common Causes and Solutions

October 27th, 2026

When your furnace starts blowing cold air instead of heat, it doesn’t always mean that you’re facing an expensive repair. Sometimes it’s a thermostat setting or a dirty air filter; other times it’s an ignition system issue or a safety control shutting down the burners.

Our team at Coventry & Gattis A/C, Inc. helps Grapevine homeowners figure out what’s causing the problem and how to fix it. Before you call for service, here are a few things you can safely check yourself to get your home feeling warm again.

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How to Lower Your Heating Bills Without Sacrificing Comfort

October 20th, 2026

A heating bill that’s on the rise doesn’t always mean you need a new furnace or have to deal with a colder house. Sometimes the problem is as straightforward as a clogged air filter or a thermostat setting that’s making your equipment work harder than necessary. Our team at Coventry & Gattis A/C, Inc. helps Grapevine homeowners figure out what’s driving their heating costs and which improvements make the most sense for their homes.

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Is Your Furnace Ready for Fall? 5 Signs Your Heating System Needs Maintenance

October 12th, 2026

In North Texas, a warm afternoon can turn chilly in a hurry. If you haven’t used your furnace much since last winter, the first cold snap isn’t the time to realize something is wrong. Our team at Coventry & Gattis A/C, Inc. helps Grapevine homeowners catch heating problems early, before an inconvenient repair leaves you without heat on a cold night. Here are five signs to watch for when you start using your furnace again.

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National Tune-Up Day (9/25): One Day. One Tune-Up. Zero Surprises When Winter Hits.

September 22nd, 2026

If you want to keep your HVAC working at peak efficiency, mark your calendar for National Tune-Up Day on September 25. It’s a useful date for Grapevine homeowners who are noticing the cooler mornings and thinking about getting a jump on heating season prep. Our team at Coventry & Gattis A/C, Inc. helps homeowners use this in-between stretch of September to get their furnace ready before the first real cold snap arrives.

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Aging AC Reality Check: Repairing vs. Replacing?

September 22nd, 2026

An older air conditioner doesn’t automatically need replacing, even if you’re facing another repair. But after years of use in the Grapevine heat, there comes a point when putting more money into the same AC stops making sense. Our team at Coventry & Gattis A/C, Inc. helps homeowners look at the repair itself, the condition of the rest of the equipment, comfort problems, and potential future costs before deciding whether or not an AC repair or replacement is the better choice.

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Indoor Air Quality and Your Sleep: How Fresh Air Helps You Rest Better

September 8th, 2026

You can create an oasis in your bedroom, wash the sheets, darken the room, and turn down the thermostat, but your bedroom air can still work against a good night’s sleep. Poor ventilation, excess humidity, dust, and pet dander can all leave the room feeling stuffy overnight. Our team at Coventry & Gattis A/C, Inc. helps Grapevine homeowners improve their indoor comfort by looking beyond temperature alone. If you wake up feeling stuffy, congested, or like the room never feels fresh, your indoor air quality may be part of the problem. Here’s what to check and what to do next.

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Fall Flip: Switch From Cooling to Heating Season (Early Sept.): Fall Maintenance Now. Peace of Mind All Winter.

September 8th, 2026

Early September in Grapevine may still feel like part of the hot and humid summer, but your HVAC system is about to change jobs. After months of cooling, the heating side that’s been sitting unused needs to work when you need it. That makes early fall a good time to test it, catch problems, and schedule maintenance before the first cold snap creates a rush of no-heat calls.

Our team at Coventry & Gattis A/C, Inc. has served Grapevine-area homeowners since 1971. Here are some of our best fall maintenance tips that can help you head into winter with fewer surprises.

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The People Behind Your Comfort: The People Who Kept You Cool This Summer Deserve a Shoutout.

August 25th, 2026

When summer heat settles over Grapevine, most homeowners wonder whether their AC is keeping up. But behind every cool home is a team of people answering calls, diagnosing problems, replacing worn parts, checking airflow, and making sure your system can handle another stretch of Texas heat. Our team at Coventry & Gattis A/C, Inc. has served the community for more than 50 years. Although our company has changed over the decades, our goal has stayed the same: take care of people, do the job right, and make sure customers feel confident about the comfort in their homes.

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Back to School Means Back to Breathing Better

August 18th, 2026

Back-to-school season is a good time to reset more than just your calendars and morning routines. After you spend months running your AC heavily in Grapevine, your home may be dealing with a dirty air filter, lingering dust, higher indoor humidity, or other air quality issues you barely noticed during the peak summer heat. Our team at Coventry & Gattis A/C, Inc. offers HVAC and indoor air quality checks that can help your home stay healthier, cleaner, and more comfortable during the busy school season.

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AC Replacement Signs: Repairs Adding Up? Upgrade Instead

August 11th, 2026

No homeowner wants to replace an air conditioner before they have to. If a repair can help your system last a few more years, it’s usually money well spent. But there comes a point when continuing to repair an older unit costs more than replacing it. Since 1971, our team at Coventry & Gattis A/C, Inc. has helped Grapevine homeowners make the best decision for their air conditioners. Our goal isn’t to sell equipment you don’t need. Here’s how we help you determine when repairing your current system still makes sense and when replacing it is the smarter investment.

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