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Cool
Air
M.D.
Air Conditioning & Heating
“Fast, Honest AC Repair & HVAC Service in Hernando, Pasco & Citrus Counties”
“Small-Company Care. Big-Company Results.”

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“The Double Disconnect: Why Shortcuts Can Cost You in the Long Run” from Cool Air M.D.
“Found a ‘double disconnect’? Nesting a new HVAC disconnect inside the old one isn’t just odd — it’s a safety risk. Cool Air M.D. explains why proper installation matters and how we do it right the first time.”
Cool Air M.D.
Sep 111 min read


Old vs. New: Why Tempstar’s 2025 T-Model energy efficient AC system Outshines the Competition
See how a 2025 Tempstar T-Model system installed by Cool Air M.D. outperforms a 1999 unit on a mild day — running less, saving energy, and proving its reliability.
Cool Air M.D.
Sep 111 min read


🧪 What’s Lurking in Your HVAC Drain Line? Why Twice-Yearly Maintenance Matters to stop a clogged AC drain line repair
We found a full-on science experiment growing in a customer’s AC drain line — a reminder of why twice-a-year HVAC maintenance isn’t optional in Florida.
Cool Air M.D.
Sep 22 min read


⚡ What Does a Bad Contactor Look Like?
“A contactor controls whether your AC system turns on, and when it fails, the results can be explosive. See what a bad contactor looks like and why routine maintenance matters.”
Cool Air M.D.
Sep 22 min read


Don’t Get Burned by Long Term HVAC Contracts: Why Cool Air M.D. Does It Differently
“Tired of HVAC companies locking you into long contracts? At Cool Air M.D., we do it differently—no traps, no fine print, just honest service when you need it.”
Cool Air M.D.
Sep 12 min read


Cool Air MD Expands with a New Shop Location in Hudson, FL for AC Repair!
“Cool Air M.D. is growing! We’ve expanded with a new shop in Hudson, FL—bringing faster response times, more room to grow, and the same trusted HVAC service to our community.”
Cool Air M.D.
Sep 12 min read


🔥 Breaker Fire and Power Loss During Hurricane Milton – Stay Safe with Cool Air M.D. Storm Services
After Hurricane Milton, some homeowners discovered HVAC breakers had caught fire or failed. Learn why post-storm inspections are critical — and how Cool Air M.D. responds when safety is at stake.
Cool Air M.D.
Sep 12 min read


The Hidden Culprit: How Rust from Evaporator Coils Can Clog Your Drain Line
“Rust isn’t just ugly—it’s a hidden culprit. When evaporator coils corrode, rust flakes can clog your AC drain line and cause leaks, shutdowns, and water damage.”
Cool Air M.D.
Sep 16 min read


🧼 Why Bleach Trumps Vinegar: The Best Way for Your HVAC Drain Line cleaning
“Should you use vinegar or bleach to clean your AC drain line? See why bleach is stronger, safer, and more effective for killing mold and algae inside your HVAC system.”
Cool Air M.D.
Sep 12 min read


Why Bleach Trumps Vinegar: The Best Way to Clean Your HVAC Drain Line
“A clogged AC drain line can shut your system down or cause water damage. Learn how to spot the signs, why bleach works better than vinegar, and how Cool Air M.D. helps keep your system running smoothly.”
Cool Air M.D.
Aug 315 min read


“R-454B refrigerant: What It Is and Why Cool Air M.D. Is Ahead of the Game”
The EPA’s 2025 refrigerant change is here. Learn what R-454B is, why it matters, and how Cool Air M.D. is already ahead of the curve in training and safety.
Cool Air M.D.
Aug 302 min read


❄️ The Glacier Effect: How X13 blower Motor Failures Freeze Your AC and Damage Everything in Their Path
“When X13 blower motors fail, your AC turns into a glacier—ice spreads through coils, wires, and bulbs causing major damage. Learn why it happens and how Cool Air M.D. fixes it fast.”
Cool Air M.D.
Aug 272 min read


🌱 Building Community at Brookridge: Our HVAC Expo Experience
“Last year, Cool Air M.D. joined the Brookridge Expo and handed out free plants. A year later, one visitor sent us a photo—their plant is still thriving, just like the connections we’ve built.”
Cool Air M.D.
Aug 261 min read


When Your AC Filter Gets "stuck" – our Technician Darin’s Fishing Adventure
“Sometimes HVAC repair looks a lot like fishing. Tech Darin had to reel a stuck filter out of a mobile home duct with a hanger. A funny story, but also a reminder of why changing your filter regularly is so important for your system’s health.”
Cool Air M.D.
Aug 252 min read


Why Is My AC Blowing Warm Air? Common Causes Explained!
“When your AC blows warm air instead of cool, it’s a warning sign. From refrigerant leaks to coil blockages, here’s what might be wrong—and how Cool Air M.D. can fix it fast.”
Cool Air M.D.
Aug 142 min read
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