Markool Heating Cooling Plumbing

Name: Markool Heating Cooling Plumbing
Address: 5304C Kings Court, C, Frederick, MD, 21703, US
Telephone: +13017324244

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Frederick, MD
Markool Heating Cooling Plumbing

Local company here to help you with all your heating, cooling, plumbing and air quality needs.

Founded in 2016, Markool Heating & Cooling is the name to trust when it comes to heating and air conditioning in Frederick, MD, and the surrounding areas. From our professional team and great Carrier products to free estimates and competitive pricing, we design our full suite of services to earn your complete satisfaction. We have extensive experience with a wide range of both residential and comm

ercial heating, air conditioning, air quality, and plumbing services. If you're interested in maintaining or improving the comfort and efficiency you enjoy indoors, we're the right team for the job. Contact us today to schedule your next HVAC or Plumbing appointment!

06/01/2026

❄️🔥 JUNE HVAC SPECIALS ARE HERE! 🔥❄️

Keep your home comfortable and save this summer with Markool's limited-time HVAC offers!

💰 $650 OFF New System Installation
💰 $250 OFF Germicidal UV Light Installation
💰 $100 OFF Any Repair Over $500
💰 10% OFF Duct Cleaning
💰 $99 Diagnostic Fee

Don't wait until the hottest days of summer hit! ☀️

📅 Book Online: https://bit.ly/markoolbooking
📞 Call Us Today: 301-732-4244

📍 Proudly serving Frederick, Urbana, Spring Ridge, New Market, Walkersville, Middletown, Mount Airy, Ijamsville, Brunswick, Thurmont, Myersville, Libertytown, Jefferson, and surrounding areas!

Cannot be combined with other offers. One discount per household. Restrictions apply.

05/31/2026

💧 High Water Bills? Your Plumbing Could Be Trying to Tell You Something… 👀

A sudden spike in your water bill could mean there’s a hidden leak, running toilet, dripping faucet, or plumbing issue wasting water (and your money 💸).

🚽 Running toilet?
🚰 Dripping faucet?
💧 Hidden leak?

Don’t let water go down the drain — let Markool help find the problem and get it fixed fast! 🔧🏠

📅 Book Online: https://bit.ly/markoolbooking
📞 Call Us Today: 301-732-4244

📍 Proudly serving Frederick, Urbana, Spring Ridge, New Market, Walkersville, Middletown, Mount Airy, Ijamsville, Brunswick, Thurmont, Myersville, Libertytown, Jefferson, and surrounding areas!

05/30/2026

🔥 Repair or Replace? 🤔

If your HVAC system is constantly breaking down, struggling to keep up, or causing your energy bills to climb, it might be time to ask the big question… repair or replace? 👀

🔧 Sometimes a repair is all you need.
❄️ Other times, a new system can save you money, improve comfort, and give you peace of mind.

Not sure which option is best? That’s what we’re here for! Our team can help you make the right choice for your home and budget. 🏠💧❄️🔥

💻 Receive a FREE online HVAC system replacement quote: https://markoolhvac.com/shop/ #/journey/h_v_a_c_system_quote

📅 Book Online: https://bit.ly/markoolbooking
📞 Call Us Today: 301-732-4244

📍 Proudly serving Frederick, Urbana, Spring Ridge, New Market, Walkersville, Middletown, Mount Airy, Ijamsville, Brunswick, Thurmont, Myersville, Libertytown, Jefferson, and surrounding areas!

05/29/2026

📞 3 Reasons to Give Markool a Call Today! 👇

❄️ Stay Comfortable — Whether it’s heating, cooling, or plumbing, we’re here to keep your home running smoothly.

🔧 Expert Service — Our trusted team is ready to diagnose, repair, replace, and help when you need us most.

🏠 Peace of Mind — Fast, reliable service from a local team that truly cares about your home and family.

If something doesn’t seem quite right… don’t wait — give us a call today! 💧❄️🔥

📅 Book Online: https://bit.ly/markoolbooking
📞 Call Us Today: 301-732-4244

📍 Proudly serving Frederick, Urbana, Spring Ridge, New Market, Walkersville, Middletown, Mount Airy, Ijamsville, Brunswick, Thurmont, Myersville, Libertytown, Jefferson, and surrounding areas!

05/28/2026

🚨 REMINDER!!🚨
🚨 Frederick County & Washington County… it’s ON! 🚨🔥

We’ve already seen some seriously old water heaters… but who has the oldest? 👀💧

📸 Snap a pic of your water heater (the older, the better!)
🏆 Enter for a chance to WIN $250 OFF a new water heater!

👉 Frederick County Entry: https://forms.gle/KSS3jHNzg8EWM8iP7

👉 Washington County Entry: https://forms.gle/RmRjbRTZyzFhe8Kv8

🗓️ Entries due by June 17th!
🎉 Winners announced June 20th!

✔️ Used MARKOOL before?
✔️ Never used us?
👉 You can STILL enter!

⚠️ Please Note:
• Must be located in Frederick or Washington County
• Membership households are not eligible

Don’t let the other county take the title… let’s see who’s hiding the oldest water heater 😂🔥

💧 Can YOU find the oldest water heater?

🌐 https://markoolhvac.com/

📞 301-732-4244

05/27/2026

🚨 Signs You May Need AC Service🚨

❄️ Warm air coming from your vents
💸 Higher energy bills
🔊 Strange noises or smells
🌡️ Uneven cooling in your home
💧 Leaks or excess moisture around your system

Good thing… Markool does service calls too! 🔧

And don’t forget — we offer maintenance memberships to help keep your system running strong all year long! 💙

👉 Ask your tech about our maintenance memberships at your next visit

Or give us a call to learn more: 📞301-732-4244

🌐 https://markoolhvac.com/

Comfort You Can Count On.

05/25/2026

This Memorial Day, we pause to honor and remember the brave men and women who made the ultimate sacrifice for our freedom.

Today, we remember their courage, their service, and the families who continue to carry their legacy. ❤️🤍💙

From all of us at Markool, thank you to those who served and to those who gave all.

Wishing everyone a safe and meaningful Memorial Day. 🇺🇸

🌐 https://markoolhvac.com/

📞 301-732-4244

05/24/2026

💎 Take your home protection to the next level with a Markool Platinum Maintenance Membership!🔧❄️💧

For homeowners who want the very best in preventative HVAC + plumbing care, Platinum delivers premium service, bigger savings, and year-round peace of mind. 👇

✔️ 2 yearly HVAC visits
✔️ Premium system cleaning + performance checks
✔️ Chemical condenser coil cleaning
✔️ Drain line flush + drain tabs
✔️ Annual 65-point whole home plumbing inspection
💰 **20% OFF repairs**
💰 **$500 OFF new system replacement**

Starting at just **$39.95/month** 💰

🌐 https://markoolhvac.com/

📞 301-732-4244

05/23/2026

🌧️ Spring rain is here… is your sump pump ready? 💧🏠

Heavy rain can quickly turn into a flooded basement if your sump pump isn’t working properly.

✅ Test your sump pump
✅ Check your discharge line
✅ Make sure your backup system is ready

Don’t wait until the water starts rising — let MARKOOL help keep your home protected this spring! 🌧️💙

📞 301-732-4244
🌐 https://markoolhvac.com/

Comfort You Can Count On.

Address

5304C Kings Court, C
Frederick, MD
21703

Telephone

+13017324244

Website

http://www.markoolhvac.com/

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