What are the opening hours?

Monday 7:30am - 4:30pm Tuesday 7:30am - 4:30pm Wednesday 7:30am - 4:30pm Thursday 7:30am - 4:30pm Friday 7:30am - 4:30pm

Pat's Heating and Air Conditioning

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United States
Oconomowoc, WI
Pat's Heating and Air Conditioning

Service that Exceeds Your Expectations. Serving the Greater Lake Country Area Since 1989. We offer a 100% Customer Satisfaction Guarantee!

Since 1989, Pat's Heating & Air Conditioning has provided residential and commercial customers with affordable indoor comfort due to premium heating and cooling systems from top companies in the HVAC industry. Although we service all brands, we are especially proud to be a Carrier dealer, which means we meet exceptional training and service standards. When our customers call, they know they can re

ly on our team of factory-trained heating and cooling technicians to respond quickly and respectfully to their needs. In fact, at Pat's Heating & Air Conditioning, we specialize in service that exceeds expectations. That's why Pat's Heating & Air Conditioning has been recognized for over 20 years as the company that Lake Country homeowners and businesses turn to for complete sales, service and installation of heating, air conditioning and indoor air quality products—to give your home ultimate comfort all year long.

11/02/2025

As the seasons shift, remember to set your clocks back one hour this weekend. ⏰

Enjoy the change! 🍁 🎃

10/31/2025

Wishing everyone a spook-tacular Halloween from Pat's Heating & Air Conditioning! 🎃👻

Don't forget to snap a photo of your spookiest furnace filter.
Email your photo to [email protected] for a chance to win a germicidal UV light or a furnace tune-up! 👻

Make sure to submit before the end of the day—entries after that won’t be counted!

10/30/2025

❄️ Wisconsin winters don’t mess around, is your furnace ready for what’s coming? At Pat’s Heating & Air Conditioning we’ve seen it all when those first cold nights hit and a furnace decides it’s had enough. Now’s the time to schedule your tune-up or inspection, so you can head into the season confident your home will stay warm and comfortable.

A quick visit from our technicians can help catch small issues before they turn into costly breakdowns, and save you from those “no heat” emergencies when temps drop below freezing. Whether your system is newer or has a few years under its belt, regular maintenance keeps it running efficiently and safely all winter long.

Don’t wait until the first snowstorm to find out your furnace isn’t ready. Give us a call today and we’ll make sure your system is good to go for another Wisconsin winter! 🌬️🔥

📞 +1 262-320-7978

10/28/2025

🎃 Is your furnace filter spooky enough to give us chills? This Halloween, we’re celebrating the spookiest filters with a fun contest and you could win a germicidal UV light or a furnace tune-up! 👻

Here’s how to enter:

Snap a photo of your spookiest furnace filter.
Email your photo to [email protected]
Make sure to submit before October 31—entries after that won’t be counted!

Whether it’s funny, creepy, creative, or just downright outrageous, we want to see your spooky spirit. Don’t wait—show us your best Halloween furnace filter and get a chance to win! ⏰✨

🔗 https://patsheating.com/contact/

10/24/2025

Happy Friday from Pat's Heating & Air Conditioning! 🌅

Who's ready for the weekend?!

10/22/2025

Get your home ready for winter with Pat's Heating & Air Conditioning.

Ensure that doors and windows are properly sealed to prevent cold drafts from sneaking in, which can lead to higher energy bills.

Don’t wait until the first snowfall; take proactive steps now! ❄️ Stay warm and cozy all season long! Call or click the link below to schedule your first appointment with Pats, today!

📞 +1 262-320-7978
🔗 https://bit.ly/471gEqn

10/17/2025

🏡 Homeowners, is your HVAC system giving you trouble?
If you've noticed odd noises, strange smells, weak airflow, or rising humidity levels, it might be time to consider whether to repair or replace your system. Here are some key factors to keep in mind:

Age of the Unit: Systems over 12-15 years old are often more cost-effective to replace due to new, energy-efficient models.
2025 Refrigerant Changes: The U.S. will start phasing out R-410A refrigerant, potentially raising prices for new units by up to 20%. If your system is aging, now could be the perfect time to upgrade before the price hike.

Energy Efficiency: Older units with SEER ratings below 14 are costing you more on your energy bills. Newer systems offer significant savings!

Cost of Repairs vs. Replacement: Constant repairs add up! If your system has needed multiple fixes, a new system may be a smarter, long-term investment—especially with available rebates and tax credits.

At Pat’s Heating & Air Conditioning, we're here to help you decide! Give us a call at 262-320-7978 and mention this post for an additional $1,000 off a new heating & cooling system! 🙌

10/15/2025

🍂 Fall is in the air and so are allergens. As leaves drop and the weather shifts, pollen, dust, and mold can make their way into your home through your HVAC system. If your system isn’t clean and well-maintained, it can circulate those allergens, leaving you with more sneezes and less comfort. 🤧

Here are a few ways to fight back against fall allergies at home:
✔️ Change your air filters regularly to trap pollen, dust, and pet dander.
✔️ Keep your ducts clean to prevent mold and buildup from circulating in your air.
✔️ Consider an indoor air quality solution, like an air purifier or whole-home humidifier, to keep your air fresh and breathable.

Your home should be your safe haven, not a source of seasonal allergies. 🏠✨ Keep your family healthy and your air clean this fall with help from the experts.

🍁 Make this fall stress-free! Call now or click the link for your free instant online estimate.

📞+1 262-320-7978
🔗 https://bit.ly/4nUXx8s

10/13/2025

🚿 Is it time to replace your water heater?

Most water heaters are built to last around 8–12 years, but age isn’t the only factor to watch. Knowing the warning signs early can save you from unexpected breakdowns, costly water damage, and high energy bills. Here are some key indicators homeowners should look out for:

🔹 Inconsistent or lukewarm water – If your showers aren’t staying hot, your system may be struggling to keep up.
🔹 Unusual noises – Popping or rumbling sounds often mean sediment has built up inside the tank, reducing efficiency.
🔹 Rusty water or visible corrosion – Rust is a red flag for tank deterioration, which can eventually lead to leaks.
🔹 Frequent repairs – If you’re calling for service often, replacement is usually more cost-effective in the long run.
🔹 System age – Once your water heater is 10+ years old, it’s smart to start planning for a new one.

At Pat’s Heating & Air Conditioning, we help you make the best choice for your home—whether it’s a repair to extend the life of your system or an upgrade to a modern, energy-efficient model that saves you money every month.

💡 Pro tip: Regular maintenance, like flushing your tank to remove sediment, can extend the lifespan of your unit and improve performance.

Don’t wait until you’re left without hot water—call Pat’s Heating & Air Conditioning today!

📞 +1 262-320-7978

10/12/2025

👻 Don’t let high costs haunt you this October!
As the chilling winds of October roll in, we’ve brewed up some fang-tastic deals to make sure your heating and cooling system keeps you cozy all season long. Whether you're trying to scare off unexpected breakdowns or need a replacement to keep things warm, our spooky-good offers are here to help:

🎃 $1,000 Off A Heating & Cooling System
🎃 $99 Furnace Clean & Check for New Customers
🎃 Free IAQ Product With an HVAC System Purchase

👻 Don’t get spooked by the cold! Call today or click the link below to schedule your free instant online estimate before Halloween 🎃

📞 +1 262-320-7978
🔗 https://bit.ly/4nUXx8s

10/10/2025

Thinking about upgrading your home’s heating or cooling system? 🌡️

Now is the perfect time! Get $1,000 off a heating & cooling system from Pat’s Heating & Air Conditioning.

Upgrading can improve your home’s comfort, increase energy efficiency, and lower your utility bills. Our expert team will help you choose the right system and handle professional installation, so everything runs smoothly.

📞 +1 262-320-7978
🔗 https://bit.ly/4nUXx8s

10/09/2025

🔥 It's Fire Safety Week — a reminder that protecting your home starts with something as simple as a smoke detector. 🔥

Did you know that homes with working smoke alarms reduce the risk of fire-related deaths by about 60% compared to homes without them?

That single device on your wall or ceiling could be the difference between safety and tragedy in an emergency.

Yet many homeowners don’t realize that one smoke detector isn’t enough. The NFPA recommends placing alarms:
✅ On every level of your home (including basements and attics if finished)
✅ Inside every bedroom and outside each sleeping area
✅ In main living spaces and hallways

Why so many? Fires spread fast and produce smoke long before flames reach you. Early detection gives your family precious extra minutes to get out safely.

⚡ Maintenance matters just as much as placement:

✅ Test alarms once a month to be sure they’re working.
✅Replace batteries at least once a year, or right away if you hear the low-battery chirp.
✅Replace the entire smoke detector every 10 years — even if it still seems to work. Technology wears out, and older units may not sense smoke as quickly.

These small steps not only protect your property but, more importantly, protect the lives of the people you love most. 🏡❤️

Address

1833 Executive Dr
Oconomowoc, WI
53066

Opening Hours

Monday	7:30am - 4:30pm
Tuesday	7:30am - 4:30pm
Wednesday	7:30am - 4:30pm
Thursday	7:30am - 4:30pm
Friday	7:30am - 4:30pm

Telephone

+12625677499

Website

http://www.patsheating.com/

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Our Story

Pat's Heating was named the Outstanding Business of the Year in 2005 by the Oconomowoc Chamber of Commerce.

National Showroom of the Year

Pat's Heating received the most votes in the annual Showroom showcase by The Air Conditioning, Heating & Refrigeration News. According to company president Patrick McNamee, "We use our showroom to demonstrate to our customers our dedication to professionalism and quality, and to educate them on upgrading their HVAC products. All of our showroom equipment is fully operational so customers can see and hear firsthand how each piece operates."

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