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A/C & Heating

  • Proper Jacksonville A/C Filters Protect Your Health & Comfort

    Many people tend to overlook the importance of using the proper air conditioning filter for the Jacksonville A/C system and just buy whatever’s on sale at the home improvement store. Big mistake! A/C filters are actually a very important component of your HVAC system. Proper A/C filers can help residential and commercial A/C users avoid […]

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  • It’s Important to Work with only Licensed and Experienced A/C Contractor in Jacksonville, Fernandina and the Beaches

    From broken parts to weakened capacitors, when it comes to Jacksonville heating and air conditioning, it’s always best to trust the A/C professionals at Donovan Heat and Air. There are certain things you can do to prevent A/C system failure like changing dirty A/C filters, but when it comes to most repairs and maintenance, the […]

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  • Why is My Utility Bill So High?

    Its summer cooling season again and you’ve probably started noticing larger utility bills brought on by the heat. Here are some reasons your Jacksonville air conditioning system may be wasting dollars Lack of Regular A/C Maintenance: The number one reason for high cooling bills is because your air conditioning system has to work too hard […]

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  • It’s Time to Schedule Jacksonville A/C Maintenance

    There are a few rites of spring you can always count on, another exciting TPC has come and gone, kids are headed to the beach, and Donovan Heat and Air is telling you how important it is to schedule A/C maintenance. Jacksonville home and commercial heating and air-conditioning systems require regular maintenance to run at […]

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  • Donovan A/C Technicians – Best in the Business

    Donovan HVAC technicians have the knowledge and equipment to tackle any heating orair conditioning assignment. For over 25 years, Donovan Heat and Air has been providingregular in-depth training for all of our A/C maintenance, A/C repairand A/C installationtechnicians.We are proud of the great reputation they have earned for service excellence and outstanding customer support throughout […]

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  • Consider Spray Foam Insulation Designed for Jacksonville Users

    Donovan Eco-Logic is a new soy-based Spray Foam Insulation, formulated for uses in the demanding Jacksonville climate. A quality product, our Jacksonville Spray Foam Insulation not only reduces heating and cooling bills, but significantly contributes to a greater level of your indoor comfort and improved energy efficiency. Until recently, most Jacksonville spray foam insulation products […]

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  • Jacksonville, Florida Goes Green with Solar Panels

    The use of Solar panels in Jacksonville can significantly cut your energy costs and will pay for themselves over time.With colder temperatures here, and when the summer heat rolls back around, electricity costs will rise as we crank-up ourNorth Florida heating and air conditioning units. One way to reduce these electric bills is to think […]

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  • Why AC automatically switches to Heat Pump mode

    That’s a question we hear all the time as colder temps are causing Jacksonville air conditioning systems are automatically switching to heat pump mode. Typically, an HVAC thermostat will have buttons for “Heat”, “Auxiliary Heat” and “Emergency Heat”. Here’s what they mean: “Auxiliary Heat”: Is the balance point, when you heat pump can no longer […]

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  • Your Heating System and Common Problems

    At this time of the year we get a lot of people calling in panic, saying things like… “HELP! My outdoor ac unit is on fire!” “A large puff of smoke came from the outdoor unit” “My HVAC unit is making a loud grinding noise” “There is water around my outside cooling unit” “My heat […]

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  • Indoor Air and Your Health

    According to the Environmental Protection Agency (EPA) – Living and working with poor indoor air quality can have a real effect on your health. Immediate effects may show up as irritation of the eyes, nose, and throat, headaches, dizziness, and fatigue. More serious effects including asthma, hypersensitivity pneumonitis, and humidifier fever, may also show up […]

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