We specialize in everything from repairs and preventive maintenance to multi-zone, energy-efficient total home cooling solutions to keep you comfortable all season long.

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“We used Donnelly’s to install a new Lennox HVAC unit…I am very pleased…and would recommend them without reservation.”

New Air Conditioning Installation & Replacement

Home Cooling that Lasts

We understand the many frustrations that come with having to replace your A/C unit. But when the time comes, we’re the experts who can help you identify the right unit for your home—one that will last as long as possible while delivering increased comfort and lowered energy bills.

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“Dave was very professional. He finished within the time frame given, explained everything before and the repairs after. Great job!”

A/C Repair

Rapid Response Repair

Repairs done properly can extend the life of your unit by years. That’s why our experts don’t just replace a part or two—they take the time to understand each underlying issue using advanced diagnostics to help prevent the need for future repairs or premature replacements.

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“I had my A/C serviced. James was kind, informative, well spoken, and dressed in a clean uniform. I’ll definitely use Donnelly’s again!”

A/C Preventive Maintenance

An Investment in Longevity

When it comes to your cooling system, there’s no better investment you can make than preventive maintenance. It can mean the difference between unexpected and costly breakdowns or a worry-free summer. Our proactive screening and maintenance techniques help ensure your unit will last as long as it should.

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“10 out of 10 stars! I’ll always use Donnelly’s from now on. They’re professional, communicative, knowledgeable and efficient.”

Indoor Air Quality

Prevent Common Health Issues

Poor indoor air quality is common, and one of the leading causes of many avoidable allergies and health issues that impact your quality of life. Our team employs advanced pollutant detection and cleaning techniques to ensure you can breathe easy at home.

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